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Pyroclastic Flow on Shiveluch Volcano
February 28, 2012 | NASA Earth Observatory

“Dark volcanic debris mars the otherwise pristine lower flanks of Shiveluch Volcano in this false-color satellite image. The debris traveled about 10 kilometers (6 miles) from Shiveluch’s growing lava dome. Rock falls and pyroclastic flows (avalanches of hot volcanic material) are common at Shiveluch, due to the steep sides and unstable rock of the growing dome.” Quoted from the Earth Observatory image release.


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