An Eruption of Anatahan Volcano thick cloud of ash erupts from the Anatahan Volcano in this dramatic true-color Terra MODIS image collected on April 6, 2005.
According to the Washington Volcanic Ash Advisory Center, a series of low-level eruptions starting on April 4 created this plume.
Therefore when geologists explored Anatahan in 1990, layers of rock on the volcano pointed to explosive eruptions with fast-moving ash and rock.
Although the volcano had shown no signs of life for centuries.
Also the volcano’s first recorded eruption occurred in May of 2003. It erupted for a second time between April and June 2004, and commenced its third recorded eruption in January 2005.