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Sinabung volcano (Sumatra, Indonesia): continuing intermittent explosions and pyroclastic flows

mar., 23 févr. 2016, 11:27 11:27 AM | AUTEUR : T
Explosion at Sinabung yesterday evening 18:19 local time (Image: @BeidarSinabung via Leopold Kennedy Adam / twitter)
Explosion at Sinabung yesterday evening 18:19 local time (Image: @BeidarSinabung via Leopold Kennedy Adam / twitter)
Pyroclastic flow, 21 Feb at 00.38 AM (local time) (image: Sadrah Peranginangin / facebook)From Jeraya
Pyroclastic flow, 21 Feb at 00.38 AM (local time) (image: Sadrah Peranginangin / facebook)From Jeraya
The volcano continues to erupt with little changes overall: the activity consists of slow extrusion of viscous lava, interrupted by intermittent explosions (every few days on average) caused by sudden pressure release of trapped pressurized gasses. An explosion this morning was reported to have produced an ash plume that rose to 14,000 ft (4,2 km) altitude and drifted NW.
The rising magma inside the conduit continues to accumulate at the lava dome, feeding lava lobes on the steep upper flanks. From time to time, parts of these collapse, the avalanches generate small to moderate pyroclastic flows traveling down the southern and southeastern flanks.

Actualités précédentes

mer., 17 févr. 2016, 06:00

Sinabung volcano (Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 17 February-23 February 2016 (Continuing Activity)

Based on satellite images, ground reports, and information from PVMBG, the Darwin VAAC reported that during 18 and 20-23 February ash plumes from Sinabung rose to altitudes of 3-5.5 km (10,000-18,000 ft) a.s.l. and drifted as far as 55 km S, SW, W, and NW. ... Read all
dim., 14 févr. 2016, 10:01

Sinabung volcano (Sumatra, Indonesia): continuing intermittent explosions

Eruption of Sinabung on the evening of 12 Feb 2016 (PVMBG)
Explosions from the summit crater continue to occur intermittently. An eruption in the evening (18:24 local time) of 12 Feb produced an ash plume that rose approx. 2 km above the summit. ... Read all
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Sinabung volcan
Stratovolcano 2460 m (8,071 ft)
Sumatra, Indonesia, 3.17°N / 98.39°E
Condition actuelle: en vigilance - niveau agité (2 sur 5) Eruptions du volcan Sinabung:
2013-ongoing, 2010
Style éruptif tipique
Explosive
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