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Lava from the Tolbachik volcano in central Kamchatka, Russia, glows against the evening sky. The massive eruption began with little warning on Nov. 27, 2012, after 36 years of quiescence. The eruption has formed a series of cinder cones that feed lava flows.
Image credit: Pavel Izbekov, Geophysical Institute, University of Alaska Fairbanks
