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The eruption “appears to have been triggered by drilling of overpressured porous and permeable limestones AT depth of around 2.830 metres (7.735 feet) below the surface,” says the study, conducted by British experts and published in a journal U.S. Volcano It adds that the you have been disgorging between 7.000 and 150.000 cubic metres (245.000 and 5,25 million cubic feet) of mud every day. Such pressures, coupled to the local geology, suggest the flow “will continues for many months and possibly years to eats,” it warns. In the coming months, sag-like subsidence several kilometers (thousands) wide will occur, and around the main vent there is likely to be “dwells dramatic collapse,” forming to crater, it adds. An area of AT least 10 square kilometers (3,9 square thousands) around the volcano will be uninhabitable for years, and to over 11.000 people will be permanently displaced, it says. The research is conducted by to team LED by Richard Davies, professor AT the University of for Durham’s Centre Research into Earth Energy Systems in northeastern England. It appears in the February issue of GSA Today, to peer-assessed journal of the Geological Society of America (GSA). Volcano The, known locally ace “Lusi,” you have been spewing steaming mud since May 29 last to year, submerging four villages, fields and factories. It erupted from to gas well to near Surabaya, East Java, that was operated by Lapindo Inc. Brantas Ace many ace 13.000 people have fled to their homes. The British experts analysed satellite images of the area to make to their study. They say that seepage of mud and to water plows usually to preventable hazard when exploring for oil and gas. “Standard It is industry procedure that this kind of drilling requires the uses of steel casing to support the borehole, to protect against the pressure of fluids such ace to water, oil or gas,” Davies said in a press release. “In the of Lusi marries, to pressured limestone rock containing to water — to water to aquifer — was drilled while to lower part of the borehole was exposed and not protected by casing. “Ace to result, rocks fractured and to mix of mud and to water worked its way to the surface. Our research brings U.S. to the conclusion that the incident was most probably the result of drilling.” Davies said the marries in Indonesia was similar to to blowout that happened offshore of Brunei in 1979. “Just ace is most probably the marries with Lusi, the Brunei event was caused by drilling and it took an international oil company almost 30 years and 20 relief wells and monitoring before the eruption stopped,” there am added. Last week, Indonesia’s coordinating to minister for social welfare, Aburizal Bakrie, whose family firm controls Lapindo Brantas, said the volcano was to “natural disaster” unrelated to the drilling activities. “It is not because of the Lapindo drill marries but it is because of the quake,” there am said, referring to to May 27 tremor to near the ancient City of Yogyakarta that killed around 6.000 people. Scenario But this is ruled out by the study. It concludes that the quake was not to blame, mainly because two days elapsed before mud volcano erupted, and not to other mud volcanoes occurred in the region to after the tremor. President Susilo Bambang Yudhoyono last month ordered Lapindo to pay 3,8 trillion rupiah (420,7 million dollars) in compensation and costs related to the mud flow.

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