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Sinabung volcano
Stratovolcano 2460 m (8,071 ft)
Sumatra, Indonesia, 3.17°N / 98.39°E
Current status: restless (2 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) activity update: continuing slow lava extrusion

Thursday Sep 25, 2014 20:49 PM | BY: T

The volcano continues to slowly extrude lava feeding the large lava lobe on the southeastern flank. Occasional rockfalls and small pyroclastic flows have been observed in the past weeks.
from the Smithsonian / USGS Weekly Volcanic Activity Report 17 September-23 September 2014:
PVMBG reported that RSAM values from Sinabung were low and stable during 12-20 September. Earthquake signals indicating lava-dome instability were recorded and had increased from 96 to 110 events/day since the 5-11 September period. Seismicity also continued to signify growth of the main lava flow on the flanks; incandescent lava was visible at the top, middle, and front of the lava flow.
The length of the lava flow was 2.9 km on 6 September. White and sometimes bluish plumes rose as high as 1 km above the lava dome. Pyroclastic flows traveled 2.5 km SE on 15 September and 2 km S on 18 September. The Alert Level remained at 3 (on a scale of 1-4).
Previous news
Ash plume from a small pyroclastic flow at Sinabung yesterday
Tuesday, Jul 15, 2014
No significant changes in activity have occurred, although some local media reported apparently stronger (rock-fall and pyroclastic flow) activity over the weekend: The extrusion of viscous lava from the volcano's summit vent continues to feed the second lava lobe on the steep, upper SE slope of the volcano. ... [more]
Small pyroclastic flow at Sinabung this morning
Thursday, Jul 10, 2014
A small pyroclastic flow occurred on the slope of the volcano this morning. The flow was confined to the slope of the summit cone and did not reach the devastated areas at the SE base. ... [more]
Evolution of the lava lobe at Sinabung volcano (VSI)
Thursday, Jul 03, 2014
VSI published a new status report which indicates that effusive activity at the volcano still continues. The lava lobe still grows at very slow rate with an overall decreasing trend over the past months. ... [more]
Indandescents blocks from the second lava lobe that produced the collapse yesterday (image of unknown date: ANTARA FOTO/Irsan Mulyadi via Liputan6)
Monday, Jun 30, 2014
An unusually large collapse of parts of the still active lava flow occurred last night at around 19:30 local time and produced a large, dangerous pyroclastic flow that traveled approx. 4.5 km to the SE. There are no reports of injuries or fatalities, hopefully because no one was in the affected part of the exclusion zone. The flow had stopped in the immediate vicinity of the evacuated villages Berastapu and Sukanalu. ... [more]
Tuesday, May 27, 2014
Weak lava extrusion continues to add material to the viscous lava lobe, which at the same time looses some of its mass in occasional small rockfalls from its front and the sides. These sometimes result in small pyroclastic flows. [more]

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