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Ash Plume and Lava Flow on Klyuchevskaya Volcano
This page contains archived content and is no longer being updated. At the time of publication, it represented the best available science. However, more recent observations and studies may have rendered some content obsolete.
Russia’s Klyuchevskaya Volcano (also spelled Kliuchevskoi) propelled a plume of ash into clear Kamchatkan skies in the autumn of 2013. In addition to the ash plume, an active lava flow spilled from the summit down the volcano’s southwestern flank. In the afternoon image (lower), long shadows reveal the structure of the plume. The ash barely rises above Klyuchevskaya’s 4,750-meter (15,580-foot) summit before being carried southeast by the wind.