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Anak Krakatau: Indonesian volcano's dramatic collapse

Anak Krakatau: Indonesian volcano's dramatic collapse

Science
The scale of the dramatic collapse of the Indonesian volcano that led to last Saturday's devastating tsunami in the Sunda Strait is becoming clear. Researchers have examined satellite images of Anak Krakatau to calculate the amount of rock and ash that sheared off into the sea. They say the volcano has lost more than two-thirds of its height and volume during the past week.Much of this missing mass could have slid into the sea in one movement.It would certainly explain the displacement of water and the generation of waves up to 5m high that then inundated the nearby coastlines of Java and Sumatra. How volcanoes can trigger tsunamis Indonesia tsunami: 'I clung to a bench' Indonesia's disaster agency says more than 400 people are c...
Dramatic video of Ecuadorian volcano's eruption released

Dramatic video of Ecuadorian volcano's eruption released

World
Dec. 20 (UPI) -- A British photographer captured time-lapse video of Ecuador's Reventador volcano spewing lava and ash.The dramatic video in the Amazonian Andes mountains by Dr. Richard Roscoe was produced over three days as the volcano erupted earlier this month. The volcano -- its name means "troublemaker" -- is in a remote corner of the Cayembe Copa Ecological Reserve, an Ecuadorian national park, and local communities are not regarded as at risk.Geologists say Reventador is proceeding through an explosive phase, the BBC reported on Wednesday.It last erupted in 2002, causing damage to a nearby valley and its infrastructure.Let's block ads! (Why?) World News - UPI.com