Shiveluch volcano (Kamchatka) activity update: strong intermittent explosive activity, large ash plumes up to 8-9 km altitude, lava dome growth

mer., 6 juin 2012, 10:05
10:05 AM | AUTEUR : T
KVERT reported that during 25 May-1 June explosive activity at Shiveluch continued. Ground-based observers and satellite imagery indicated that a viscous lava flow continued to effuse in the active crater, and was accompanied by fumarolic activity and lava-dome incandescence.
Observers noted that ash plumes rose to an altitude of 9 km (29,500 ft) a.s.l. on 25 and 27 May, and to an altitude of 6 km (19,700 ft) a.s.l. during 29-30 May. Satellite imagery showed ash plumes drifting 555 km SW, SE, and E during 25-30 May, and a thermal anomaly over the lava dome during 26-29 May.
(Smithsonian / USGS Weekly Volcanic Activity Report)

Actualités précédentes

jeu., 31 mai 2012, 09:38
Shiveluch volcano continues to be very active, with a growing lava dome and occasional large ash explosions. A strong eruption that produced an ash plume that rose to 6 km altitude occurred on 29 May, Russian scientists from KVERT report. According to a Itar-Tass news entry, the plume eventually reached 7.3 km and the eruption followed an increase of seismic activity. ... Read all
jeu., 24 mai 2012, 09:35
Strong explosive activity continued during the past week. Ground-based observers and satellite imagery indicated that a viscous lava flow continued to effuse in the active crater, and was accompanied by fumarolic activity and lava-dome incandescence. ... Read all
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