The Lusi (Lumpur Sidoarjo) mud volcano, in the subdistrict of Porong, Sidoarjo in East Java, Indonesia, has been in eruption, since May 2006. Although the volcano was estimated to go on erupting for 25 years or more, scientists expect the eruption to be over by the end of the decade.
This assumption is based on satellite data that gauge ground subsidence and the decrease in the volume of the material discharged to the surface. Professor Michael Manga from the University of California at Berkeley, and his colleagues have used a technique known as interferometric synthetic aperture radar (InSAR) to monitor the eruption's progress. The technique uses satellite images showing the ground movement around the volcano. "I expect that if the eruption rate drops below some number, that it will just plug itself and stop erupting", said Professor Manga. He also mentions that "any forecast is made on the assumption that the system continues to behave in the same way it has in the past". Professor Manga was one of the speakers at the American Geophysical Union (AGU) Fall Meeting in San Francisco.
Source: BBC News
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