Intense episode with large ash emissions at Shiveluch volcano, Kamchatka

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Thewatchers-Chiffre June 29,2013

Explosive-extrusive-effusive eruption of Shiveluch volcano, Kamchatka continues. An episode of intense, but short, activity was recorded at Shiveluch volcano, Kamchatka, Russia on June 26/27, 2013. The event was most likely a partial collapse of the existing dome with possible explosions, since the ash emitted was mostly red (indicating it originated from old, altered lava).

Because of the lack of visibility experts at Tokyo VAAC estimated the height of the ash plume at about 10 to 12 km, using the seismic record from the volcano. KVERT reported ashfall SW of the volcano reaching villages Klyuchi (2mm of ash measured) and Lazo (1mm of ash). Ash plumes were extending to the south-east and south-west of the volcano. Two more ash explosions occurred at 17:06 and 22:01 UTC on June 27, 2013. Ash plumes rose up to 7 and 6 km a.s.l., respectively.


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