Shiveluch volcano (Kamchatka) activity update: strong ash explosions up to 5 km altitude, viscous lava flow in 2010 crater

mar., 8 mai 2012, 10:05
10:05 AM | AUTEUR : T
KVERT reported that explosive activity at Shiveluch continued during 27 April-4 May. Ground-based observers and satellite imagery indicated that a viscous lava flow continued to effuse in the crater formed during a 2010 eruption and was accompanied by fumarolic activity.
Seismic data and visual observations showed that ash plumes rose to altitudes of 4 and 5.4 km (13,200 and 17,800 ft) a.s.l. on 26 April and 1 May, respectively. Satellite imagery showed a weak thermal anomaly on the lava dome during 28-29 April and on 1 and 3 May. Explosions on 1 May produced ash plumes that rose to an altitude of 5 km (16,400 ft) a.s.l.; an ash cloud was observed in satellite imagery drifting 270 km NE that same day.
(Smithsonian / USGS Weekly Volcanic Activity Report)

Actualités précédentes

dim., 6 mai 2012, 10:05
Webcam image of the eruption on 5 May (KVERT)
Dr. Olga Girina from KVERT reported a strong explosive eruption from Shiveluch on 5 May. The ash column rose to 8 km altitude and images of the webcam show strong incandescence at the base of the eruption column and even some lightning discharges. The eruption lasted about 15 minutes ... Read all
jeu., 3 mai 2012, 09:11
Explosive activity at Shiveluch continued during 20-27 April. Ground-based observers and satellite imagery indicated that a viscous lava flow continued to effuse in the crater formed during a 2010 eruption and was accompanied by fumarolic activity. ... Read all
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