Santiaguito volcano (Guatemala): partial dome collapse generates strong explosion and pyroclastic flows

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theextinctionprotocol-Aug 23, 2013

August 23, 2013GUATEMALAA major eruption occurred yesterday evening. Starting at 17:45 (local time), the top part of the Caliente lava dome collapsed and produced a series of relatively large pyroclastic flows and explosions. Ash plumes rose more than 2 km to elevations of 4 km altitude. The cause of the eruption was likely the accumulation of pressurized magma and gas under the dome composed of viscous (solid) lava. The pyroclastic flows affected mainly the south, southeast and NNE sides. Bombs from explosive activity were ejected to distances of 500 m. –Volcano Discovery

https://www.youtube.com/watch?feature=player_embedded&v=iO5gK2R4Op0

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