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Sinabung volcano
Stratovolcano 2460 m (8,071 ft)
Sumatra, Indonesia, 3.17°N / 98.39°E
Current status: erupting (4 out of 5)
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Sinabung volcano eruptions:
2013-ongoing, 2010
Typical eruption style:
Explosive
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Sinabung volcano (Sumatra): eruption news and activity updates

Sinabung volcano (Sumatra, Indonesia): eruption continues, moderately large explosions and pyroclastic flows this morning

Saturday Dec 02, 2017 17:39 PM | BY: T

Eruption of Sinabung volcano this morning at 07:40 local time (image:  Sutopo Purwo Nugroho‏ @Sutopo_BNPB / tiwtter)
Eruption of Sinabung volcano this morning at 07:40 local time (image: Sutopo Purwo Nugroho‏ @Sutopo_BNPB / tiwtter)
Eruption of Sinabung volcano this morning at 08:45 local time (image:  Sutopo Purwo Nugroho‏ @Sutopo_BNPB / tiwtter)
Eruption of Sinabung volcano this morning at 08:45 local time (image: Sutopo Purwo Nugroho‏ @Sutopo_BNPB / tiwtter)
Two spectacular, moderately large explosions with associated pyroclastic flows occurred this morning at 07:40 and 08:45 local time.
The eruption columns from the vertical explosions rose approx. 2.5 km above the crater and were accompanied by pyroclastic flows that descended on the southern slope of the volcano, reaching 2.5 and 3 km distance, respectively. No additional damage in the (already devastated and evacuated) area was reported.
Explosions and pyroclastic flows like these have occured infrequently during the past months, often in clusters that follow phases of apparent calm. Overall, the volcano's effusive/explosive eruption has been continuing with no significant changes overall during the past years: viscous magma continues to rise to the summit crater, it accumulates there as a lava dome and forms unstable, over-spilling lava flow tongues.
Occasionally, trapped gasses inside the upper conduit are liberated in small to moderately large explosions. In addition, when large enough masses of lava have accumulated in the summit area, parts of the lava dome / lobes collapse into hot avalanches (pyroclastic flows). Often, both processes occur together and mutually trigger each other (pressure release by collapse vs sudden instability caused by an explosion leading to collapse).
Previous news
Satellite image of Sinabung volcano on  2 Dec 2017
Saturday, Dec 02, 2017
Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: ... [more]
Friday, Dec 01, 2017
Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: ... [more]
Wednesday, Nov 29, 2017
Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: ... [more]
Tuesday, Nov 28, 2017
Explosions during 21-25 November produced ash plumes that rose 3.4-6.7 km (11,000-22,000 ft) a.s.l. and drifted W, WSW, ESE, and E. [more]
Satellite image of Sinabung volcano on 25 Nov 2017
Saturday, Nov 25, 2017
Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: ... [more]

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