Kizimen volcano (Kamchatka, Russia): partial lava dome collapse produces pyroclastic flows volcanodiscovery/kizimen/news.html A rock spine that had been growing at the summit of the active lava dome has collapsed, producing pyroclastic flows and an ash plume rising to 20,000 ft (6 km) altitude. Culture Volcan posted the following time-lapse video from KVERT webcam images: The collapse of the spine produced an impressive block and ash flow that spit into 3 lobes that traveled down towards the SW, E and NE, reaching a distance of about 2600 m in just 4 minutes, i.e. at a speed of 40 km/h average.
Posted on: Mon, 22 Jul 2013 03:21:13 +0000
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