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Kamchatka volcanoes
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Red glows indicate the presence of heat from Bezymianny volcano (bottom) and Klyuchevskaya volcano (top) in this ASTER image of Kamchatka, Russia acquired on January 21. A week earlier, both volcanoes started erupting, sending ash plumes to altitudes of 8 km, detected by other, lower spatial resolution, satellite sensors. Bezymianny had a major eruption in 1955, sending ash into the stratosphere, larger than the 1980 Mt. St. Helens eruption. The image combines infrared data in red, with bands 2 and 1 in green and blue. The image covers an area of 15 x 16 km.
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