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A mud flow disaster of epic proportions—the worst of its kind in history—has been ongoing since May 29, 2006, in Sidoarjo regency in East Java, Indonesia. Nicknamed Lusi, a portmanteau of “lumpur” (mud) and its location, the mud flow has covered what is roughly equivalent to 650 football fields—double the size of New York’s Central Park—with mud that is 40 meters (130 feet) deep. Sixteen villages have been buried, more than 40,000 people displaced, and at least 13 people have died.

What is mindboggling is that 13 years later, Lusi continues to gush forth at a rate of 80,000 cubic meters (2.8 million cubic feet) per day, which is enough to fill 32 Olympic sized swimming pools, and weighs about 30 million pounds. This is an improvement from the early days when its peak rate was 180,000 cubic meters (6.4 million cubic feet) per day, which is equivalent to 72 Olympic sized swimming pools or 800 railroad boxcars. Earthen levees and dikes are basically what keep the mud at bay from the surrounding industrial city, and residents live in fear every day that their home will become part of the next deluge. Scientists predict the mud volcano will continue to regurgitate the sludge anywhere from another 20 to 40 years.

These facts are precisely why director Cynthia Wade was surprised to hear about Lusi for the first time as she was shooting a commercial for a nonprofit in Indonesia in 2012. When she went to investigate, she was floored by what she saw. She captured enough footage and did enough interviews to make a three-minute teaser when she returned, but she did not have the confidence and wherewithal to pursue the film further until she watched a documentary taking place in Indonesia that had been directed by Sasha Friedlander.

Wade reached out to her in 2013 and found out Friedlander was fluent in Bahasa and had also reported on the disaster when she worked in Indonesia as a journalist and translator for the “Bali Post.” Given the opportunity to dive back into a news story she had worked on, this time from the perspective of the victims, Friedlander was excited to join the project, especially since this gave her the opportunity to bring worldwide attention to the problem.

After five years, Gritmade its world premiere at the 2018 Hot Docs Canadian International Documentary Film Festival in Toronto. It will be shown on PBS’ POV series on Sept. 9. The film centers on 14-year-old Dian and her family as they live during the aftermath of the disaster and fight with others for full compensation for their losses.

Even after 13 years, the question of whether the disaster is natural or manmade still hangs in the air. Scientists are divided between two camps: One side believes the eruption was triggered by a 6.3 earthquake that happened two days before in Yogyakarta, which is 260 km (161.5 miles) away from the site. The other believes oil and natural gas company PT Lapindo Brantas, is to blame, which was drilling 198 meters (650 feet) away from the eruption.

Often overlooked by the media and lost in the swirling debates within the scientific community about the causes for the eruption, the displaced victims believe Lapindo is the culprit and have waited for years to receive full compensation for their losses. On the anniversary of the eruption, the victims have annually staged and coordinated protests and demonstrations to voice their anger and demand what is rightfully theirs.

Lapindo is a joint venture among three companies. One of these companies, PT Energi Mega Persada Tbk, is directly connected to the business conglomerate Bakrie Group. Aburizal Bakrie used to be the chairman of the group before stepping down to serve in the government in 2004 as first the minister of economy and later as the minister of welfare. Despite stepping down as chairman, Bakrie remained one of the owners of the group and is a focal point of the victims’ demands and frustrations.

The initial estimate of damages in 2006 was $180 million, but by 2008 the estimate rose to $844 million and was expected to get even higher. The government mandated as early as 2007 that Bakrie pay at least half of it while also paying compensation to the victims. This is the same year Forbes Asia named Bakrie the richest man in Indonesia. Although Lapindo complied and paid the victims in irregular installments or small portions, the payments slowed down during the recession. According to Globe Asia magazine in 2008, Bakrie’s and his family’s net worth was estimated at $9.2 billion and was declared “the undisputed richest family in Indonesia.” In June 2018, Globe Asia ranked Bakrie as the 12th richest in the country with a net worth of $2.05 billion.

Bakrie Group’s control and ownership includes some of the country’s major broadcasting networks. According to the film’s directors, news about Lusi were contained and prevented from getting wide circulation domestically and internationally. Considering the rampant corruption in Indonesia, the accusation seems plausible, but searches for the news can easily be found through major news sources such as the Associated Press, Reuters and Agence France-Presse around the time of the eruption with ongoing reporting throughout the following decade.

Lusi poses environmental challenges as well. The vents at the epicenter still shoot gases such as methane and hydrogen sulphide. To help contain the mud, it has been dumped into the Porong River, which eventually leads to the Bali Sea. This has affected the local shrimp and fishing industry and may have introduced heavy metals into the water system, affecting the health of those living around the disaster. Possibly the only positive outcome is the creation of Lusi Island, a fishery with mangrove plantations that was made possible from the mud dredged from the river. Plans are in the works to make it a future tourist attraction.

Displaced residents have made a living off of Lusi by joining the disaster tourism industry, which has become more common in Indonesia due to its many earthquakes, floods and volcanic eruptions. Visitors of all types, from models to researchers, come to see Lusi, which has become a visual paradox that draws a mix of joy, wonder and curiosity while simultaneously being a source of misery.

Lapindo’s CEO announced in 2016 that the company will resume gas drilling in Sidoarjo to repay the $56.5 million loan the government gave the company which was used in part to pay off compensation claims.

The documentary follows Dian and her mother Harwati as they deal with life in the aftermath of the disaster eight years later. Harwati is a single mother raising two daughters while working seven days a week shuttling tourists on her motorbike who want to see Lusi. Her husband, who was a Lapindo employee, died a year after the disaster from cancer. As the 2014 presidential election approaches, a candidate that resonates with the demonstrators brings hope not unlike the feeling Americans experienced during the 2008 election year.

From the beginning, Wade and Friedlander understood the difficulty in marketing a film about mud and decided from the start that most of their funding would go into the cinematography, even forgoing their own payment as directors. Over the course of five years, they made nine trips where they filmed during 18 hour days, each trip lasting three weeks. The directors make no secret about who they think is to blame for the disaster: the documentary focuses on Lapindo, its role in the cause of the disaster, the people’s protests against the company, and includes an interview with Bakrie himself.

The long distance posed a significant challenge for the directors since funding was collected and saved sporadically throughout the years; there was always the possibility that the directors would not have enough money saved to make the 30-hour flight to Indonesia when something urgent happened. Fortunately, they had a local film crew that could jump in whenever they were not present.

Although the directors initially followed three separate families, they ended up focusing on Harwati since she was a vocal and involved leader and demonstrator from the start. Harwati always encourages Dian to fight against social injustice, and as the film progresses, Dian rises and becomes a voice and activist for her community with aspirations of becoming a human rights lawyer.

Grit is a powerful and moving film that captures the hauntingly arresting beauty of the disaster area with eloquent wonder. The documentary not only highlights female leadership and social activism but acts as a warning signal to people about the injustice and dodgy circumstances that can occur when a government leader is also heavily involved in business.

The Sidoarjo DisasterIn May 2006, near a densely populated city in Indonesia’s East Java called Sidoarjo, the ground erupted in a volcano of scalding hot mud. As local residents fled their homes, the hole continued to expel toxic gaseous mud, killing 20 people and displacing immediately almost 40,000. Known as the Lusi mudflow, the continuously flowing mud has submerged homes, factories, rice paddies, roads and 12 villages.

For the first several months of the mudflow, the hole expelled about 26 million gallons of mud a day, according to the government agency that oversees disaster recovery. The rate has since slowed to 7 to 15 million gallons a day, but the mudflow shows no signs of stopping. The Indonesian government has built levees to contain the mud and a system to divert the flow into the Porong River, but this infrastructure has failed to contain the mudflow and has needed to be rebuilt several times. By July 2015, the area contained an estimated 1.26 billion cubic feet of mud; experts estimated that the mud would continue to flow for another 8 to 18 years.

The Lusi mudflow has had severe impact on the region’s economy and public health. According to a 2015 article in Nature Geoscience, the disaster has cost the region more than $2.7 billion. Residents who worked in local factories have lost their jobs, and the rising lake of mud makes rebuilding impossible. The disaster has affected biodiversity in the Porong River, where fish species that cannot adapt to chemicals from the mudflow go extinct, curtailing a food source that locals previously relied upon. Since the eruption, respiratory infection cases in the area have more than doubled; however, as in all natural resource contamination cases, it is difficult to prove the causality of an illness.

Drake, Phillip. “Emergent Injustices: An Evolution of Disaster Justice in Indonesia’s Mud Volcano.” Environment and Planning E: Nature and Space, July 18, 2018. https://journals.sagepub.com/doi/abs/10.1177/2514848618788359

Nuwer, Rachel. “Indonesia’s ‘Mud Volcano’ and Nine Years of Debate About Its Muck.” The New York Times, Sept. 21, 2015. https://www.nytimes.com/2015/09/22/science/9-years-of-muck-mud-and-debate-in-java.html

Scott, Michon. “Sidoarjo Mud Flow, Indonesia.” NASA Earth Observatory Image of the Day, Dec. 10, 2008. https://earthobservatory.nasa.gov/images/36111/sidoarjo-mud-flow-indonesia

Causation Debate and Victim CompensationThe cause of the Lusi mudflow has been hotly debated among scientists, government officials and local residents for over a decade. This debate is fraught, because the outcome will determine who is responsible for covering the cost of both disaster relief infrastructure and compensation for the victims who lost their homes. Many believe that the mudflow was triggered by gas drilling conducted by PT Lapindo Brantas, an oil and gas company that was drilling near the site just before it erupted. Others, including Lapindo, argue that the disaster was caused by a 6.3-magnitude earthquake that struck 150 miles west of the drill site two days earlier. Scientists have published conflicting studies, but as more evidence has emerged in recent years, a majority of scientists have come to support the hypothesis that Lapindo is responsible.

In 2015, an international team of scientists published a study in the journal Nature Geoscience that concluded with 99 percent certainty that Lapindo’s drilling caused the disaster. Just before the explosion, the company’s workers were probing for a new natural gas deposit in Sidoarjo when they hit a rock formation and liquid began to rush up through the drill hole. The engineers sealed the hole, but mud continued to build up underground; eventually the pressure became so great that it burst through the ground 500 feet from the drilling site. The 2015 report includes a new piece of evidence: gas readings that were initially withheld by Lapindo show that a process called liquefaction, which is the mechanism by which an earthquake would have caused the explosion, did not occur. Meanwhile, the data shows that hydrogen sulfide built in the vent in the first days of the eruption, suggesting that the mud came from two miles underground—the same depth reached by the drill. The study’s lead author argued that Lapindo failed to take standard precautions to prevent an accident: “This almost certainly could have been prevented if proper safety procedures had been taken,” Dr. Mark Tingay told the New York Times.

Immediately following the disaster, the Indonesian government refused to assign blame, citing a lack of scientific proof that Lapindo was responsible. The company is owned by the family of Aburizal Bakrie, a former cabinet minister, billionaire and leader of an influential political party, the Golkar party. The Bakrie family has a net worth of about $5.4 billion, making them one of the wealthiest families in Indonesia. Victims and commentators speculate that political corruption prevented the government from holding Lapindo accountable initially. The local residents led a sustained protest movement, staging demonstrations and filing lawsuits to demand compensation and accountability from Lapindo. For example, on the one-year anniversary of the disaster, activists erected a giant puppet representing Bakrie on the Porong embankment near the mudflow site, defying bans on demonstrations in that area.

In 2007, the Indonesian government ordered Lapindo to provide cash compensation or resettlement to victims who were in a designated “core disaster area.” This ruling caused frustration among many residents, because it relied on a map that many thought did not accurately represent the impact of the mudflow, and because the compensation was unequal. Further, compensation funds were inconsistent: families would receive money for a few months and then the payments would stop. In 2008, Lapindo claimed that it was unable to pay because it faced financial problems due to the global financial crisis. In 2014, newly elected president Joko Widodo, who had campaigned on a promise to help the Lusi victims, ordered his government to loan Lapindo $45.5 million to fund the remaining victim compensation. Lapindo promised to repay the government within four years.

The outstanding compensation payments were completed in October 2015, but some of the mudflow victims continue to organize. Despite the compensation order, Lapindo has not been held legally responsible for the disaster. In 2016, the company announced that it would resume drilling near Sidoarjo in order to pay off its debt to the government. Activists have led a campaign against this new drilling plan, including a demonstration in front of the Ministry of Energy and Mineral Resources in Jakarta on National Anti-Mining Day in 2019. Many of the Lusi mudflow victims are still struggling to survive and simply want assurance that Lapindo’s drilling will not upend their lives again.

Drake, Phillip. “Emergent Injustices: An Evolution of Disaster Justice in Indonesia’s Mud Volcano.” Environment and Planning E: Nature and Space, July 18, 2018. https://journals.sagepub.com/doi/abs/10.1177/2514848618788359

Farida, Anis. “Reconstructing Social Identity for Sustainable Future of Lumpur Lapindo victims.” Procedia Environmental Sciences 20 (2014): 468–476. https://doi.org/10.1016/j.proenv.2014.03.059

Jensen, Fergus. “Indonesian Energy Company Plans to Resume Drilling Near Mud Volcano.” Reuters, Jan. 12, 2016. https://www.reuters.com/article/us-indonesia-gas-volcano-idUSKCN0UQ1W820160112

Nuwer, Rachel. “Indonesia’s ‘Mud Volcano’ and Nine Years of Debate About Its Muck.” The New York Times, Sept. 21, 2015. https://www.nytimes.com/2015/09/22/science/9-years-of-muck-mud-and-debate-in-java.html

On May 29, 2006, hot mud and gas began gushing from a rice field near a gas exploration well in East Java. More than a decade later, the Lusi mud flow continues on the Indonesian island. (The name is a combination of lumpur, the Indonesian word for mud, and Sidoarjo, the location of the flow).

Over the years, flows of boiling mud from Lusi have displaced more than 40,000 people, destroyed 15 villages, and caused nearly $3 billion in damage. It has become one of the most dramatic and damaging eruptions of its type. Some villages have been buried by layers of mud 40 meters (130 feet) thick. The mud, which has a consistency similar to porridge, pours constantly from Lusi’s main vent. Every thirty minutes or so, surges in the flow send plumes of water vapor, carbon dioxide, and methane shooting tens of meters into the air.

The Operational Land Imager (OLI) on Landsat 8 acquired an image (above) of the mud flow on June 11, 2019. The dark brown areas have fresh, liquid mud on the surface; the lighter areas have dried into a hard surface that is strong enough to walk on. In the early years of the eruption, mud oozed over homes, factories, highways, and farmland. Now it spreads within a network of earthen levees, retention ponds, and distribution channels that form a rectangular grid around the main eruptive vents. Channels direct the mud into holding ponds to the north and south. Large volumes of mud get flushed into the Porong River, which flows east toward the Bali Sea.

Much about Lusi remains the subject of scientific research and vigorous debate. Many scientists who have studied Lusi think exploratory drilling for natural gas triggered the eruption. Others argue that an earthquake that occurred two days before the eruption played a more important role.

In the immediate aftermath, there were several attempts to staunch the flow of mud. The gas company pumped mud and cement down the exploratory well. Experts dropped chains of thousands of small, cement spheres into the vent to try to choke it off. And engineers built earthen levees in attempts to redirect the mud.

Yet the mud kept flowing. More than 13 years after the eruption began, about 80,000 cubic meters (3 million cubic feet) of mud still ooze from Lusi each day—enough to fill 32 Olympic-sized pools. That is down from 180,000 cubic meters during Lusi’s peak flows, but it is still quite high, explained University of Oslo geologist Adriano Mazzini.

Scientists also disagree about what makes the Lusi eruption so long-lived. Mark Tingay, a geologist at the University of Adelaide, thinks tectonic processes just happened to set up a situation in which Lusi is able to draw from an unusually large and warm reservoir of water that is under very high pressure. “This vast amount of highly pressured fluid was sitting trapped—until the seal holding these fluids down was breached,” he said. “What we are seeing is that highly pressured water being released over time.”

Mazzini argues that Lusi is connected to a neighboring volcano that provides it with a steady energy source. “Several of our studies, including gas and water geochemical surveys and ambient noise tomography, clearly show that a nearby volcanic complex and the Lusi plumbing system are connected through a fault system at a depth of about four kilometers,” he said.

Despite the disagreements about what triggered the eruption and what sustains it, many scientists expect Lusi to spew mud for a long time. “I wouldn’t be surprised to see it continue for decades,” said Michael Manga, a geologist at the University of California, Berkeley.

NASA Earth Observatory image by Joshua Stevens, using Landsat data from the U.S. Geological Survey. Drone photographs courtesy of Adriano Mazzini (University of Oslo).

This article is part of the postdoctoral research project ‘Mountain, Tree and Motherland’, which was financed by the WOTRO Science of Global Development programme of the Netherlands Organization for Scientific Research (NWO). The author would like to thank Prof. Dr Ben Arps and the crew of Gali lubang, tutup lubang for their support, as well as Dr Klarijn Anderson-Loven and two anonymous reviewers for reading and critically commenting on earlier drafts of this document.

Disasters produce creative new terms: ‘In both traditional and novel manners, language and linguistic usages emerge to express events, name the peoples and parties involved, and manage the allegiances and contestations, so that, on top of all else, disaster brings to light sociolinguistic application and invention’ (Oliver-Smith and Hoffman 2007:11). A baby born at the refugee centre in Porong, Sidoarjo, was named ‘David Lapindo’. See Nabiha Shahab, http://reliefweb.int/report/indonesia/misery-indonesias-mud-volcano-victims (accessed 15-5-2015).

Here we need to differentiate between the three shareholders mentioned in footnote 1. Minority shareholder Santos Australia did not admit liability for the mudflow incident but states in its 2007 half-year financial report that it paid approximately US$ 20 million to cover operation expenses; see http://www.santos.com/library/Santos%202007%20Half%20Year%20Results.pdf (accessed 19-4-2015). In December 2008 Santos transferred its 18 % minority share to Minarak Labuan, a company associated with Lapindo Brantas; see http://www.santos.com/annual-report-2008/asia.aspx (accessed 19-4-2015). Second-largest shareholder Medco has denied responsibility from the start, accusing Lapindo Brantas of committing ‘gross negligence’ during its drilling activities (see Medco ‘warning’ letter of 5 June 2006 addressed to Lapindo in Azhar Akbar 2007:203). In March 2007 Medco divested its 32 % stake in the Brantas Block to Prakarsa Group, which is financially guaranteed by Minarak Labuan, an affiliate of the Bakrie Group. See John Aglionby, ‘Medco sells stake in mudflow oil field’, 2007, http://www.ft.com/intl/cms/s/0/c4dfe536-d762–11db-b9d7000b5df10621.html#axzz3Xzl71SXa (accessed 21-4-2015).

In September 2006 Energi Mega Persada tried to sell Lapindo Brantas for just US$ 2 to the company Lyte Ltd, which is registered at the British island of Jersey and belongs to the Bakrie conglomerate. In November 2006 the company signed a contract for sale with the British Virgin Islands-based Freehold Group Ltd, but Freehold called off the deal because of the controversy around the purchase. ‘Dari bursa hinggap di Senayan’, Tempo Interaktif 19-02-2009, http://www.tempo.co/selusur/data/sbyical/page11.php (accessed 20-4-2015).

For more detailed information on the demands of several groups of victims concerning compensation schemes, see Bosman Batubara 2010, http://www.insideindonesia.org/resistance-through-memory-2?highlight=WyJiYXR1YmFyYSIsImJhdHViYXJhJ3MiLCJib3NtYW4iXQ%3D%3D (accessed 30-10-2012), and Novenanto 2009.

John M. Glionna, ‘Indonesia’s mud volcano flows on’, 2010, http://articles.latimes.com/2010/jul/10/world/la-fg-indonesia-mudslide-20100710 (accessed 22-7-2010).

Hans David Tampubolon, ‘Endless mudflow breeds political apathy among Porong residents’, 2013, http://www.thejakartapost.com/news/2013/03/04/endless-mudflow-breeds-political-apathy-among-porong-residents.html (accessed 25-4-2013).

Pancoran, ‘Ada konspirasi SBY-Bakrie di Lumpur Lapindo, di mana?’, 2012, http://politik.kompasiana.com/2012/07/04/ada-konspirasi-sby-bakrie-di-lumpur-lapindo-di-mana-474452.html (accessed 8-9-2012).

Wahyoe Boediwardhana, ‘Lapindo book author forced to stay into hiding’, 2012, http://www.thejakartapost.com/news/2012/07/30/lapindo-book-author-forced-stay-hiding.html (accessed 25-4-2013).

For an overview of the Indonesian media landscape and the twelve media groups, see Merlyna Lim, ‘@Crossroads: Democratization and corporatization of media in Indonesia’, 2011, retrieved from, http://participatorymedia.lab.asu.edu/files/Lim_Media_Ford_2011.pdf (last accessed 9-6-2015).

Lapindo Brantas offered one billion rupiah to several Surabaya-based media after the Presidential Regulation was released in April 2007 (Novenanto 2009:131–2).

Hans David Tampubolon, ‘Endless mudflow breeds political apathy among Porong residents’, 2013, http://www.thejakartapost.com/news/2013/03/04/endless-mudflow-breeds-political-apathy-among-porong-residents.html (accessed 25-4-2013).

‘Penjelasan Aburizal Bakrie (ARB) tentang lumpur Lapindo’, Youtube channel of Aburizal Bakrie, http://www.youtube.com/user/bakrieaburizal?feature=watch (accessed 25-5-2015).

The documentary Di balik frekuensi (Behind the frequency) of filmmaker Ucu Agustin (2013) gives an interesting insight into the current Indonesian media landscape, which is dominated by media corporations, like the Bakrie Brothers, with strong political ties. One storyline of the film shows how mudflow victims Hari Suwandi and Harto Wiyono walked all the way from Sidoarjo to Jakarta, 847 kilometres, to seek justice concerning compensation payments. When they arrive in Jakarta, however, their act of protest suddenly turns into an act of propaganda. At this point the film uses original footage from Bakrie-owned TV One: Hari Suwandi appears during a TV One news show, telling that he regrets that he has undertaken his journey to protest. While crying, he apologizes to Aburizal Bakrie. See http://video.tvonenews.tv/arsip/view/59333/2012/07/25/hari_suwandi_sesali_aksi_jalan_kaki_porongjakarta.tvOne (last accessed 10-6-2015).

Arfi Bambani Amri and Tudji Martudji, ‘Sulastri tersenyum lebar tanahnya dibeli Minarak Lapindo: Tanahnya yang seluas 488 meter dihargai Rp 500 juta’, 2013, http://nasional.news.viva.co.id/news/read/399288-sulastri-tersenyum-lebar-tanahnya-dibeli-minarak-lapindo (accessed 20-5-2015).

An interactive talkshow, Cangkru’an (literally, ‘talking while sitting in a comfortable/relaxed way’) is set around a street-side guard post where kampung dwellers meet to hang out at night and talk about the latest social-political issues. The host interviews guests of different professions and backgrounds on hot topics, while TV watchers have the opportunity to phone in during the live show (Quinn 2012:71). One episode of Cangkru’an used the Pasar Porong refugee centre as its backdrop. Lapindo representative Nirwan Bakrie and the deputy regent talked to the mudflow victims. However, the refugees were not allowed to directly confront the guest speakers with their own questions; they received prefabricated, ‘moderated’ text written by the JTV producers (Azhar Akbar 2007:152–3).

‘Sembelih 360 kambing qurban, pecahkan rekor MURI’, 2006, http://www.antaranews.com/berita/49839/sembelih-360-kambing-qurban-pecahkan-rekor-muri (accessed 16-5-2015).

Indra Harsaputra, ‘Indonesia: TV digs a hole for Lapindo’, 2006, http://www.asiamedia.ucla.edu/article.asp?parentid=52185 (accessed 16-6-2007). Two other sources however mention a lower amount: USD 42,900; see Cindy Wockner, ‘The gods must be crazy’, 2006, http://www.couriermail.com.au/news/the-gods-must-be-crazy/story-e6freow6–1111112755014 (accessed 31-10-2010) and USD 39,000; see Peter Ritter, ‘Add soap, spin’, 2006, http://www.time.com/time/magazine/article/0,9171,1565620,00.html (accessed 16-6-2007).

Geoff Thompson, ‘Indonesian gas company funds “mud volcano” soap opera’, 2006, http://www.abc.net.au/news/2007-01-01/indonesian-gas-company-funds-mud-volcano-soap-opera/2164018 (last accessed 15-6-2015).

Cindy Wockner, ‘The gods must be crazy’, 2006, http://www.couriermail.com.au/news/the-gods-must-be-crazy/story-e6freow6–1111112755014 (accessed 31-10-2010).

Geoff Thompson, ‘Indonesian gas company funds “mud volcano” soap opera’, 2006, http://www.abc.net.au/news/2007-01-01/indonesian-gas-company-funds-mud-volcano-soap-opera/2164018 (last accessed 15-6-2015).

Here GLTL makes a reference to the Satuan Pelaksana (SATLAK, District Implementation Unit), set up in mid June 2006 by the Sidoarjo district. The committee was, together with Lapindo, in charge of relief efforts for displaced persons. Three months later the first national task force, TIMNAS, was created (Schiller, Lucas and Sulistiyanto 2008:65–6, 68).

A disclaimer at the beginning of the first episode states that any resemblance to reality is pure coincidence: ‘This sinetron is based on a fictive story with the Sidoarjo mudflow as its setting. Any resemblance to actual names, places and events is purely coincidental.’ (‘Sinetron ini mengetengahkan kisah drama fiktif yang menggunakan setting banjir lumpur Sidoarjo. Apabila ada kesamaan nama tokoh, tempat, dan peristiwa hanyalah kebetulan semata.’)

These opening lines of protagonist Ali are in the Indonesian language, whereas the remainder of the sinetron mainly uses the local Javanese dialect spoken in Surabaya, called ‘Suroboyoan’.

Cindy Wockner, ‘The gods must be crazy’, 2006, http://www.couriermail.com.au/news/the-gods-must-be-crazy/story-e6freow6–1111112755014 (accessed 31-10-2010).

At the time rumours of this type were repeatedly spread in the disaster area. The idea ‘it is not “news” unless a public official says it’ (Steele 2011:92) was integrated into this GLTL storyline where ‘high officials’ “news” ’ about incredible compensation rates leads to all kinds of emotional reactions among the victims.

Ali’s mother is called Emak or Mak throughout the sinetron. This is not a proper name, but a word that means ‘mother’; it is also a term of address for a married woman.

This daily newspaper also exists in the ‘unmediated’ world. It is part of the Jawa Pos Group and, like JTV, located in the Surabaya branch office Graha Pena (‘Pen House’), which made it into a convenient partner for joining the GLTL filming process. Journalist Eko Romeo Yudiono of this newspaper played the role of a reporter in the series. Some episodes actually depict images from the Graha Pena building and the Radar Surabaya newsroom.

‘Didedikasikan untuk anak-anak korban banjir lumpur Sidoarjo’ (GLTL 2006, credit titles episode 4). The director of this episode, Danial Rifki, made a short film called Anak-anak lumpur (Children of the mud) that depicted how children in the Sidoarjo area were coping with the disaster (Rifki 2009).

Ali: ‘Ngadepi musibah kudu sing ikhlas, Dhik. Lek gak, jaré Allah piyé?’ / Siti: ‘Eemm, bener yo jarené Mas, tapi saknoe Bapakku, gak ikhlas. Senengané ning omong banjir lumpur iku mesthi emosi.’

‘Kita tidak boleh masuk, tapi kita tetap masuk supaya gambar itu bagus. […] Background atau frame-frame kita perlu yang realita: lumpur banjir, sumur panji pengeboran, rumah tenggelam, traktor, mobil-mobil truck yang angkut pasir, debu-debu dan lain sebagainya. Sampai kita tipu-tipu pegawai Lapindo termasuk tentara, militer, kita syuting tetap. Bahwa proses kreatifitas itu adalah realita yang tidak kita buat-buat.’ Interview with Tedjo Laksana, 10-9-2007.

‘Pemain dan kru saya, kita tetap mendekati pemuda-pemuda itu supaya syuting tetap jalan. Dengan cara mendekati dengan keramah-tamahan kita. Seperti kita kasih rokok dia, kita kasih duit dia dan kita dekati dia dengan baik, maka proses produksi kita bisa lancar. […] Dan itu kita lakukan secara terus menerus. Soalnya sekali kita buat kesalahan pada masyarakat di sana, maka semua produksi kita akan hancur.’ Interview with Tedjo Laksana, 10-9-2007.

Interview with Mahmudah, Renokenongo, 12-9-2007. Renokenongo was one of the villages flooded in May 2006. By the time of the interview Mahmudah was busy handling cases of compensation payment. A year later, in October 2008, the entire village was submerged by the mudflow because the temporary dykes broke.

‘Dan akhirnya ketika saya yang main semua warga Renokenongo melihat: “Oh sekarang kan wayahi Ibu lurah!” Warga senang sekali. Dan teman-teman saya di Sidoarjo mengenali saya, karena saya kepala desa perempuan. Dan banyak yang kenal saya, akhirnya banyak yang lihat waktu itu. Teman-teman di Sidoarjo, di Jombang, di Malang, saya dibel.’

Participation in the series likely suited Mahmudah’s political agenda. Rumour goes that she had business relations with Lapindo. In 2005 she encouraged the villagers of Renokenongo to sell their land ‘for cattle-breeding’. This later turned out to be the land occupied by Lapindo for gas exploration. See Anton Novenanto, ‘Negara absen dalam kasus Lapindo, apa iya?’, 2015, http://korbanlumpur.info/2015/03/negara-absen-dalam-kasus-lapindo-apa-iya-1 (accessed 15-4-2015). Mahmudah, however, has always denied these accusations. To date (June 2015) she is still active as a spokesperson for the victims.

One of the reasons that Irianto wanted to promote the local language was because he considered it a way to counterbalance the increasing influence of Jakartan youth slang. Interview with Joko Irianto Hamid, Surabaya, 27-8-2007.

Ludruk performances, characterized by their emphasis on humour and social critic, generally feature the following elements: an opening dance (ngremo), a comic prologue consisting of sung poetry (kidung parikan), and clowning skits (dhagelan), followed by the main story (lakon)—based on local legends and stories about ordinary people—which is interspersed with dance and songs by a female impersonator. For more information on ludruk, see Supriyanto 1992; for more information on kidung parikan, see Supriyanto 2004.

‘Terusno perjuanganmu. Aku kabeh wis krungu neng tujuanmu bener […] nek saraning kèhi ilmu mara wong sing kesusahan ana ketimba lumpur iku, aku nang mburimu.’

Payment to the victims by Lapindo, through a loan from the government as agreed in December 2014 between President Jokowi and the Bakrie family, has been postponed several times but is supposedly due before the end of the fasting month in July 2015. Lapindo has to pay back the loan to the government within four years with an interest rate of 4.8%.

SIDOARJO, East Java: Indonesian Muanisah, who goes by one name, recalled the day when she held her 40-day-old baby in despair as he had trouble breathing.

She was just about to have her breakfast on May 29, 2006 when she smelled a pungent odour, which she believed caused her baby to cry while gasping for air.

She decided to take public transport and seek refuge at her family’s house a few kilometres away where the air was clean. There, her baby could finally breathe normally again, she said.

Within a few days, it became clear that the cause of the odour was a mud flow bursting in the middle of a paddy field in Sidoarjo, East Java, just 200m away from Mdm Muanisah’s house.

Now, 15 years later, the mud flow has buried thousands of homes, factories and shops. It is believed to be covering an area of more than 650ha currently and is showing no signs of stopping.

A February study by senior researcher Adriano Mazzini et al showed that the mud flow releases 100,000 tonnes of methane yearly into the atmosphere. This is said to be the site with the highest methane emission ever recorded for a single natural gas manifestation.

There are also people who believe that drilling by oil and gas company Lapindo Brantas nearby was the culprit. Others think that the combination of both events may have contributed to the mud flow.

“The smell was too strong … and it also affected the water, (I got) itchy, it was polluted, we can’t drink it. Previously, we could drink it before mud flow existed.

"After the emergence of the mud flow, sometimes if I take a shower, I’ll feel itchy. And the smell made me short of breath,” said Mr Khudori, who goes by one name.

He also observed that since the mud flow emerged, Sidoarjo has become hotter. “The mud flow releases heat,” the father of six said, adding that floods seemed to occur more now.

A 2017 study showed that the mud temperature, which was previously 100 degree Celsius, was 60 degree Celsius. Meteorological agency data showed that the average temperature in Sidoarjo has seen an increase of less than 1 degrees Celsius in the last 15 years.

Mr Khudori, who used to work at a factory near the mud flow, now works as a motorcycle taxi rider with no fixed income as the mud had also buried his workplace.

The mud comprises 80 per cent water, said Mr Pattiasina Jefry Recky, head of Sidoarjo Mud Control Center (PPLS) which is the agency overseeing the mud flow.

“The mud from the burst is about 60,000 to 90,000 cubic metres per day. And we can flow about 30 million cubic metres per year into the Porong river, but that is not enough because we are dealing with quite a lot of problems.

"We"re only afraid of the rainy season because our embankment is an earthen-filled dam. It was built in a rush back then. For us technical people, a technical embankment should not be like that."

He said that the embankment is 11m high. "And most likely it can’t be more than that. We are afraid that if it is higher, it will collapse because the carrying capacity is not strong," he added.

Mr Mazzini, who is a senior researcher at the Centre of Earth Evolution and Dynamics (CEED) of the University of Oslo, said the Sidoarjo mud flow is something between a magmatic volcano and a mud volcano.

Mr Mazzini, who has studied the mud flow since 2006 and has visited the site numerous times, concluded that the mud flow is connected to the active Arjuno-Welirang volcanoes about 20km away.

His latest study, which was conducted with his colleagues using a combined method of ground-based and satellite observations, showed that the methane concentration in Sidoarjo is very high compared to other parts of East Java. Most of the methane originates from the mud flow, according to the study.

Head of Sidoarjo’s environment and sanitation agency Sigit Setyawan said the agency had planned to work with an energy company to produce biomass from the mud as an alternative source of renewable energy since 2019.

He added that the agency also proposed to plant productive crops on the land buried by the mud, which the government has bought from locals as the area was too dangerous to live in.

Mr Anung Suprayitno, head of the meteorological, climatological and geophysical agency (BMKG) Malang, said that even though the mud flow has existed for 15 years, more data is needed to conclude its impact on the climate.

The agency, which oversees the management of meteorological and climatological data throughout East Java, said it does not know the full extent of Sidoarjo mud flow"s contribution to greenhouse gas emission.

While meteorological data in the last 15 years shows that the temperature at Sidoarjo has increased by less than 1 degree Celsius and rainfall has increased in a small amount, Mr Suprayitno said the agency does not know if the mud flow is an reinforcing factor that accelerates the local scale of climate change.

Mr Rere Christanto, who is the director executive of environmental non-governmental organisation Walhi East Java, said that there has been an increase in disasters over the past few years in East Java especially floods and landslides.

The Sidoarjo mud flow is part of a site that accounts for the largest emission of methane gas, and hence it has a big role to play in the build-up of greenhouse gas emissions in the atmosphere, he said.

"Now, if we have a threat map, we can imagine what actions the government can take and then take precautions. How large the area is and where. For example, the community can be given masks to wear.

Nine years ago, a rice paddy in eastern Java suddenly cleaved open and began spewing steaming mud. Before long, it covered an area twice the size of Central Park; roads, factories and homes disappeared under a tide of reeking muck. Twenty lives were lost and nearly 40,000 people displaced, with damages topping $2.7 billion.

The disaster, known as the Lusi mudflow — a combination of lumpur, the Indonesian word for mud, and Sidoarjo, the area where the eruption took place — continues today. A “mud volcano,” Lusi expels water and clay rather than molten rock. Such eruptions occur around the world, but Lusi is the biggest and most damaging known.

Scientists have debated the cause for years, and two intensely argued hypotheses have emerged: Some believe an earthquake set off the disaster, others that the mudflow was caused by a company drilling for natural gas.

Researchers largely relied on computer models and comparisons with other earthquakes and mud volcano eruptions. But recently scientists in Australia, the United States and Britain uncovered a previously overlooked set of gas readings collected at the drilling site by Lapindo Brantas, a natural gas and oil company, in the days before the mudflow began.

In a report in the journal Nature Geoscience, the researchers said that the new data proves the company caused the disaster. “We’re now 99 percent confident that the drilling hypothesis is valid,” said Mark Tingay, an earth scientist at the University of Adelaide and lead author of the paper.

Others scientists do not seem so sure. “I am surprised that the authors could arrive at such a strong conclusion from such inconclusive data,” said Stephen Miller, a professor of geodynamics and geothermics at the University of Neuchâtel in Switzerland who has published findings in support of the earthquake hypothesis. “All science screams that Lusi is natural.”

On May 27, 2006, two days before the mudflow began, a devastating 6.3 magnitude earthquake struck Yogyakarta, a city 150 miles west of a drill site in Sidoarjo, where Lapindo engineers were probing for a new natural gas deposit nearly two miles below the surface.

Eight hours after the earthquake, the engineers hit what seemed to be their target carbonate formation. Immediately, something went wrong. Fluid used to maintain pressure in the drill hole suddenly disappeared; hours later, liquid from the formation rushed back into the borehole.

Around 365 barrels of muddy water escaped the hole before the engineers, fearing a blowout, sealed it off. Though the well was capped, the leaking fluid underneath continued to build.

According to Dr. Tingay, the pressure eventually became so great as to induce its own uncontrolled version of fracking, cracking the surrounding rock and finding release nearby. The day after the well was sealed — two days after the earthquake — mud gurgled up about 500 feet from the drilling site.

Had the earthquake caused the disaster, it would have done so through a process called liquefaction, in which shaking causes rock and clay to behave like liquids. Liquefaction, Dr. Tingay and his colleagues argue, is accompanied by large gas expulsions, which would have been detected in the well.

“Every clay liquefaction event that has ever been observed has been associated with gas release,” Dr. Tingay said. But the new gas readings show no evidence of this.

On the other hand, the data does show hydrogen sulfide building a few hours before the earthquake and just as the water began rushing back into the borehole. Traces also turned up at the Lusi vent in the first days of the eruption, indicating that the mud probably came from the same depth as that reached by the drill, rather than the shallower clays that would have been liquefied in the earthquake.

ImageA villager walking through dried mud in November 2009. An explosion of steam and mud in 2006 displaced nearly 40,000 people. Much of the mud that has continually expelled since has dried.Credit...Sigit Pamungkas/Reuters

Lapindo has insisted that it followed industry safety regulations at the Sidoarjo well. But Dr. Tingay said that the company failed to fully line the borehole with casings, a standard precaution to prevent fractures.

Since the eruption, cases of respiratory infection in the area have more than doubled, and the Porong River, which receives diverted mud, is now polluted with cadmium and lead, as are fish caught and raised there. In 2007, the Indonesian government decreed that Lapindo must compensate people affected in the core disaster area.

Payments, however, have been slow to come, leading to frequent protests. In July, the government lent Lapindo — which says it has financial difficulties — funds for the remaining victims.

“There are still thousands who haven’t received compensation,” said Bambang Catur Nusantara, manager of Korbanlumpur, a nonprofit group dedicated to helping mudflow victims. “People just want to get out of this bad situation and start their new lives.”

Citing scientific uncertainty, Indonesian officials have avoided assigning blame for the disaster. “If the majority of scientists said it’s Lapindo’s fault, then maybe the government could base a decision off of that,” said Dwinanto Prasetyo, spokesman for the Sidoarjo Mudflow Handling Agency, a government-backed group in charge of mitigating the disaster.

One weakness of the new paper is the assumption that all earthquakes cause gas releases, which is not necessarily true, said David Castillo, the director of Insight GeoMechanics, a consulting company based in Perth, Australia.

Peter Flemings, a geoscientist at the University of Texas at Austin, agreed that not enough was known about earthquake-induced gas activity to rely heavily on the authors’ interpretation.

“Based on the data I have seen, I find the most plausible explanation for the Lusi mud volcano to be poor well design and flow from depth,” Dr. Flemings said.

Detailed drilling records might resolve the causation question once and for all, Dr. Tingay said, but Lapindo has declined or ignored recent requests for that data.

While debate continues about what caused Lusi, experts agree on one thing: The mud will probably continue to flow for some time, with best estimates ranging from eight to 18 years. Lusi’s mark on the land will be even longer lasting.

RM2D1DXH7–An aerial view shows houses flooded with mud in Sidoarjo, in Indonesia"s East Java province on April 14, 2007. Toll roads, railway tracks and factories have been submerged and 15,000 people displaced since May when the mud began flowing out of a "mud volcano" following an oil-drilling accident in Sidoarjo, an industrial suburb near provincial capital Surabaya. White smoke is seen rising from the site of the drilling accident. REUTERS/Sigit Pamungkas (INDONESIA)

RF2H97Y1W–Lake of dry mud formed from a mud volcano eruption in Sidoarjo, Indonesia. Clouds in blue sky. Natural disaster in oil and gas industry and geology.

RM2D2NP02–Indonesian Welfare Minister Aburizal Bakrie speaks to foreign journalists in Jakarta August 13, 2008. Bakrie, Indonesia"s richest man, said on Wednesday a firm linked to his family was not responsible for a massive mud disaster in East Java, but would still pay compensation, as promised, to those affected. The cause of the Sidoarjo mud volcano, which has displaced more than 50,000 people, has been a matter of dispute. REUTERS/Crack Palinggi (INDONESIA)

RM2EJ8BAG–Mud lake environmental disaster which developed after drilling incident with volcano in background, Porong Sidoarjo, near Surabaya, East Java, Indones

RMD8H7M4–May 29, 2013 - Sidoarjo, Indonesia - People lay in the mud along the retaining dike in protest and to commemorate the tragedy. The mud is the result of an erupting volcano that has been in eruption since May 2006. It is the biggest mud volcano in the world, created by the blowout of a natural gas well drilled by PT Lapindo Brantas. (Credit Image: © A"At/Sijori Images/ZUMAPRESS.com)

RM2HB12T4–Photo dated October 19, 2016 - A escavator seen at the Lapindo volcanic mudflow area in Sidoarjo, East Java province, Indonesia. Since May 29, 2006 until now, as 1,143.3 hectares area land has changes be the natural territory of the world"s largest mud volcano were belches water, oil, methane gas and mud everytime. The geological activity is a contributor to methane gas emissions amount as the largest natural gas manifestation on earth, based on the study report published in the journal Scientific Reports on February 18, 2021. Photo by Sutanta Aditya/ABACAPRESS.COM

RF2H97XCT–Lake of dry mud formed from mud volcano eruption with dead plant in foreground in Sidoarjo, Indonesia. Natural disaster in oil and gas industry.

RM2D192C9–Indonesian Welfare Minister Aburizal Bakrie speaks to foreign journalists in Jakarta August 13, 2008. Bakrie, Indonesia"s richest man, said on Wednesday a firm linked to his family was not responsible for a massive mud disaster in East Java, but would still pay compensation, as promised, to those affected. The cause of the Sidoarjo mud volcano, which has displaced more than 50,000 people, has been a matter of dispute. REUTERS/Crack Palinggi (INDONESIA)

RM2EJ8D7A–Dried mud in mud lake environmental disaster and volcano which developed after drilling incident, Porong Sidoarjo, near Surabaya, East Java, Indonesia

RM2HB12ND–Photo dated October 19, 2016 - The Lapindo volcanic mudflow area seen in Sidoarjo, East Java province, Indonesia. Since May 29, 2006 until now, as 1,143.3 hectares area land has changes be the natural territory of the world"s largest mud volcano were belches water, oil, methane gas and mud everytime. The geological activity is a contributor to methane gas emissions amount as the largest natural gas manifestation on earth, based on the study report published in the journal Scientific Reports on February 18, 2021. Photo by Sutanta Aditya/ABACAPRESS.COM

RF2H97JJR–Lake of dry mud formed from a mud volcano eruption in Sidoarjo, Indonesia. Clouds in blue sky. Natural disaster in oil and gas industry. No people.

RM2E6WDPH–Indonesian Welfare Minister Aburizal Bakrie speaks to foreign journalists in Jakarta August 13, 2008. Bakrie, Indonesia"s richest man, said on Wednesday a firm linked to his family was not responsible for a massive mud disaster in East Java, but would still pay compensation, as promised, to those affected. The cause of the Sidoarjo mud volcano, which has displaced more than 50,000 people, has been a matter of dispute. REUTERS/Crack Palinggi (INDONESIA)

RM2EJ8KF4–Disaster tourists paying to visit mudflow environmental disaster at levee seperating village and mud lake which developed after drilling well

RM2E7XWD3–Indonesian engineers drop clusters of chained concrete balls into a mud volcano in Sidoarjo, East Java province on March 1, 2007 to reduce the torrent of sludge that has displaced some 15,000 people. REUTERS/Sigit Pamungkas (INDONESIA)

RM2E7B9YX–Indonesians block a railway in Sidoarjo, East Java on February 22, 2007. More than 1,000 Indonesians displaced by a mud volcano on Java island blocked a main road and a railway on Thursday to demand cash compensation for their submerged homes. REUTERS/Sigit Pamungkas (INDONESIA)

RM2HB12NF–Photo dated October 19, 2016 - Gras seen shadows the volcanic mudflow area in Sidoarjo, East Java province, Indonesia. Since May 29, 2006 until now, as 1,143.3 hectares area land has changes be the natural territory of the world"s largest mud volcano were belches water, oil, methane gas and mud everytime. The geological activity is a contributor to methane gas emissions amount as the largest natural gas manifestation on earth, based on the study report published in the journal Scientific Reports on February 18, 2021. Photo by Sutanta Aditya/ABACAPRESS.COM

RM2EJ8K6M–Disaster tourists visiting mudflow disaster levee crossing small bridge to climb levee seperating village and mud lake environmental disaster

RM2D1Y30W–Indonesians block a railway in Sidoarjo, East Java on February 22, 2007. More than 1,000 Indonesians displaced by a mud volcano on Java island blocked a main road and a railway on Thursday to demand cash compensation for their submerged homes. REUTERS/Sigit Pamungkas (INDONESIA)

RM2D22TTW–Residents carry a banner during a protest at a site in Sidoarjo May 29, 2007. Around 2,000 Indonesians whose homes have been submerged by a gushing mud volcano prayed for relief from the torrent on Tuesday on the first anniversary of a disaster that shows no sign of abating. REUTERS/Sigit Pamungkas (INDONESIA)

RM2HB12TA–Photo dated October 19, 2016 - The bird steps seen at the Lapindo volcanic mudflow area in Sidoarjo, East Java province, Indonesia. Since May 29, 2006 until now, as 1,143.3 hectares area land has changes be the natural territory of the world"s largest mud volcano were belches water, oil, methane gas and mud everytime. The geological activity is a contributor to methane gas emissions amount as the largest natural gas manifestation on earth, based on the study report published in the journal Scientific Reports on February 18, 2021. Photo by Sutanta Aditya/ABACAPRESS.COM

RM2D172A2–An aerial view shows houses flooded with mud in Sidoarjo, Indonesia"s East Java province, April 20, 2007. Toll roads, railway tracks and factories have been submerged and 15,000 people displaced since May when the mud began flowing out of a "mud volcano" following an oil-drilling accident in Sidoarjo, an industrial suburb near provincial capital Surabaya. REUTERS/Sigit Pamungkas (INDONESIA)

RM2D2RC67–Villagers collects roof tiles near their houses in mud-flooded Sidoarjo, an industrial suburb near the provincial capital Surabaya, April 16, 2007. Toll roads, railway tracks and factories have been submerged and 15,000 people displaced since May last year when the mud began flowing out of a "mud volcano" following an oil-drilling accident in Sidoarjo. REUTERS/Sigit Pamungkas (INDONESIA)

RM2E6T6AJ–An aerial view shows houses flooded with mud in Sidoarjo, in Indonesia"s East Java province April 14, 2007. Toll roads, railway tracks and factories have been submerged and 15,000 people displaced since May when the mud began flowing out of a "mud volcano" following an oil-drilling accident in Sidoarjo, an industrial suburb near provincial capital Surabaya. REUTERS/Sigit Pamungkas (INDONESIA)

RM2D32W7W–Villagers prepare their offering for a ritual before prayers at the site of a "mud volcano" that has displaced about 15,000 people in Sidoarjo March 20, 2007. A catastrophic mudflow that has swamped villages on Indonesia"s Java island halted briefly for the first time in 10 months, raising hopes that efforts to plug the torrent are working at last, a scientist said on Tuesday. REUTERS/Sigit Pamungkas (INDONESIA)

RM2D1AA4G–An aerial view shows the crater of a "mud volcano" surrounded by flooded houses in Sidoarjo, Indonesia"s East Java province, April 20, 2007. Toll roads, railway tracks and factories have been submerged and 15,000 people displaced since May when the mud began flowing out of a "mud volcano" following an oil-drilling accident in Sidoarjo, an industrial suburb near provincial capital Surabaya. REUTERS/Sigit Pamungkas (INDONESIA)

RM2EJ8C3M–Dried mud in mud lake environmental disaster and which developed after drilling incident with volcano in background, Porong Sidoarjo, near Surabaya, E

RM2HB12R6–Photo dated October 19, 2016 - The Lapindo volcanic mudflow area seen in Sidoarjo, East Java province, Indonesia. Since May 29, 2006 until now, as 1,143.3 hectares area land has changes be the natural territory of the world"s largest mud volcano were belches water, oil, methane gas and mud everytime. The geological activity is a contributor to methane gas emissions amount as the largest natural gas manifestation on earth, based on the study report published in the journal Scientific Reports on February 18, 2021. Photo by Sutanta Aditya/ABACAPRESS.COM

RM2E6PPCX–An aerial view shows the crater of a "mud volcano" surrounded by flooded houses in Sidoarjo, Indonesia"s East Java province, April 20, 2007. Toll roads, railway tracks and factories have been submerged and 15,000 people displaced since May when the mud began flowing out of a "mud volcano" following an oil-drilling accident in Sidoarjo, an industrial suburb near provincial capital Surabaya. REUTERS/Sigit Pamungkas (INDONESIA)

RM2D18X3R–Indonesian engineers work to drop clusters of chained concrete balls into a mud volcano in Sidoarjo in East Java province March 20, 2007 to reduce a torrent of sludge that has displaced about 15,000 people. A catastrophic mudflow that has swamped villages on Indonesia"s Java island halted briefly for the first time in 10 months, raising hopes that efforts to plug the torrent are working at last, a scientist said on Tuesday. REUTERS/Sigit Pamungkas (INDONESIA)

RM2EJ8JNC–Refugee camp next to abandoned village following flooding by mud lake environmental disaster which developed after drilling incident, Porong Sidoarjo,

RM2HB12T8–Photo dated October 19, 2016 - The debris home from the past settlement seen burried beside the community protest flag at the Lapindo volcanic mudflow disaster area in Sidoarjo, East Java province, Indonesia. Since May 29, 2006 until now, as 1,143.3 hectares area land has changes be the natural territory of the world"s largest mud volcano were belches water, oil, methane gas and mud everytime. The geological activity is a contributor to methane gas emissions amount as the largest natural gas manifestation on earth, based on the study report published in the journal Scientific Reports on Februa

RM2D2F4E5–Indonesian engineers work to drop clusters of chained concrete balls into a mud volcano in Sidoarjo in East Java province March 20, 2007 to reduce a torrent of sludge that has displaced about 15,000 people. A catastrophic mudflow that has swamped villages on Indonesia"s Java island halted briefly for the first time in 10 months, raising hopes that efforts to plug the torrent are working at last, a scientist said on Tuesday. REUTERS/Sigit Pamungkas (INDONESIA)

RM2EJ8D22–Do not swim sign in Indonesian in mud lake environmental disaster which developed after drilling incident, Porong Sidoarjo, near Surabaya, East Java,

RM2HB12PM–Photo dated October 19, 2016 - Arjuno volcano seen from the Lapindo volcanic mudflow area in Sidoarjo, East Java province, Indonesia. Since May 29, 2006 until now, as 1,143.3 hectares area land has changes be the natural territory of the world"s largest mud volcano were belches water, oil, methane gas and mud everytime. The geological activity is a contributor to methane gas emissions amount as the largest natural gas manifestation on earth, based on the study report published in the journal Scientific Reports on February 18, 2021. Photo by Sutanta Aditya/ABACAPRESS.COM

RM2D25796–Indonesian engineers work to drop clusters of chained concrete balls into a mud volcano in Sidoarjo in East Java province March 20, 2007 to reduce a torrent of sludge that has displaced about 15,000 people. A catastrophic mudflow that has swamped villages on Indonesia"s Java island halted briefly for the first time in 10 months, raising hopes that efforts to plug the torrent are working at last, a scientist said on Tuesday. REUTERS/Sigit Pamungkas (INDONESIA)

RM2EJ89R1–Top of mosque barely visible in mud lake environmental disaster which developed after drilling incident, Porong Sidoarjo, near Surabaya, East Java, In

RM2HB12TC–Photo dated October 19, 2016 - The debris home school from the past settlement seen burried amid the Lapindo volcanic mudflow disaster area in Sidoarjo, East Java province, Indonesia. Since May 29, 2006 until now, as 1,143.3 hectares area land has changes be the natural territory of the world"s largest mud volcano were belches water, oil, methane gas and mud everytime. The geological activity is a contributor to methane gas emissions amount as the largest natural gas manifestation on earth, based on the study report published in the journal Scientific Reports on February 18, 2021. Photo by Sut

RM2D21BW0–Indonesian engineers work to drop clusters of chained concrete balls into a mud volcano in Sidoarjo in East Java province March 20, 2007 to reduce the torrent of sludge that has displaced about 15,000 people. A catastrophic mudflow that has swamped villages on Indonesia"s Java island halted briefly for the first time in 10 months, raising hopes that efforts to plug the torrent are working at last, a scientist said on Tuesday. REUTERS/Sigit Pamungkas (INDONESIA)

RM2D1DX53–Concrete balls are prepared before they are dropped into a mud volcano in Sidoarjo, east Java province February 22, 2007. A team of Indonesian scientists tasked with handling the mud flow said it would begin dropping 1,500 concrete balls in clusters linked by metal chains into the mouth of a volcano on Friday to reduce the mud flow. The eruption of hot mud had inundated entire villages since last May following an oil-drilling accident in Sidoarjo. REUTERS/Sigit Pamungkas (INDONESIA)

RM2D2N7X4–RNPS IMAGES OF THE YEAR 2007 - An aerial view shows houses flooded with mud in Sidoarjo, in Indonesia"s East Java province on April 14, 2007. Toll roads, railway tracks and factories have been submerged and 15,000 people displaced since May when the mud began flowing out of a "mud volcano" following an oil-drilling accident in Sidoarjo, an industrial suburb near provincial capital Surabaya. White smoke is seen rising from the site of the drilling accident. REUTERS/Sigit Pamungkas (INDONESIA)

RM2E749E0–A villager stands near a house that was buried by dried mud near the centre of a mudflow in Sidoarjo, East Java province November 18, 2009. In 2006, a hot mud volcano erupted in Porong, East Java, destroying homes, factories, and livelihoods. Attempts to staunch the flow failed and the stinking mud continues to spread. It now covers about 800 hectares (1,977 acres), has displaced nearly 60,000 people and killed 17. REUTERS/Sigit Pamungkas (INDONESIA ENVIRONMENT DISASTER)

RM2HB12NY–Photo dated October 19, 2016 - The debris home from the past settlement seen burried amid the Lapindo volcanic mudflow disaster area in Sidoarjo, East Java province, Indonesia. Since May 29, 2006 until now, as 1,143.3 hectares area land has changes be the natural territory of the world"s largest mud volcano were belches water, oil, methane gas and mud everytime. The geological activity is a contributor to methane gas emissions amount as the largest natural gas manifestation on earth, based on the study report published in the journal Scientific Reports on February