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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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2013-ongoing, 2010
Typical eruption style:
Explosive
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Sinabung volcano (Sumatra): eruption news and activity updates

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

Mon, 2 Nov 2015, 06:44
06:44 AM | BY: T
Explosion and pyroclastic flow at Sinabung on 31 Oct at 14:45 local time (image: Theger BM)
Explosion and pyroclastic flow at Sinabung on 31 Oct at 14:45 local time (image: Theger BM)
Pyroclastic flow on 30 Oct at 09:15 (image: PVMBG/ via Leopold Adam)
Pyroclastic flow on 30 Oct at 09:15 (image: PVMBG/ via Leopold Adam)
During the past days, explosions and pyroclastic flows - often occurring together - triggered by collapses of the lava dome have been more frequent and more intense than during most of the past months.
The largest events produced ash columns reaching 4-5 km altitude and flows traveling up to 3-4 km length, in particular those on 29 Oct at 02:00 local time, 30 Oct at 09:15, and 31 Oct at 14:45.
However, there are no signs that the rate lava extrusion itself, continuing at slow pace, has increased. It is more likely that the dome is in one of its recurring phases where enough lava has accumulated to produce increased instability, in turn resulting in more frequent collapse and explosion events.
Previous news
Tue, 20 Oct 2015, 06:21
Ash plume from Sinabung yesterday (image: @BeidarSinabung / twitter)
Explosions and pyroclastic flows continue to occur at the volcano during the past days. This morning, a pyroclastic flow traveled 2 km and produced an ash plume of 2.5 km height. ... read all
Fri, 16 Oct 2015, 06:22
Ash plume from Sinabung during the explosion and pyroclastic flow on 13 Oct 15, 06:30 am local time (image: @LeopoldAdam / twitter)
The volcano continues to slowly extrude viscous lava, which results in occasional small to moderately sized pyroclastic flows (2-3 per day on average). ... read all
Thu, 8 Oct 2015, 11:05
PVMBG reported that during 21-28 September foggy weather sometimes prevented visual observations of Sinabung and the growing lava dome in the summit crater. Lava flows on the flanks were incandescent as far as 3 km E to SE. As many as five pyroclastic flows per day were detected, traveling as far as 4 km ESE. Ash plumes rose as high as 4.5 km. read all
Wed, 23 Sep 2015, 11:05
PVMBG reported that during 8-14 September foggy weather sometimes prevented visual observations of Sinabung and the growing lava dome in the summit crater. ... read all
Mon, 21 Sep 2015, 07:08
Pyroclastic flow from Sinabung this morning at 08:36 local time (image: #SadrahPS / twitter)
Several pyroclastic flows, some relatively large, have occurred over the past days. While the slow effusive activity itself has not significantly changes, the lava dome and its viscous lava lobes that spilled over onto the steep upper flanks are now undergoing a phase of increased collapses due to increased instability. ... read all

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