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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) update: growing lava lobe, pyroclastic flows

Monday Mar 30, 2015 08:23 AM | BY: T

Active lava lobe and incandescent rockfalls at Sinabung in March 2015 (photo: Bastien Poux)
Active lava lobe and incandescent rockfalls at Sinabung in March 2015 (photo: Bastien Poux)
The volcano continues to effuse a viscous lava lobe from its summit crater. Frequent rockfalls and pyroclastic flows occur due to partial collapses of the sticky lava masses on the steep upper slope.
Our friend Bastien Poux who has been observing the volcano during the past weeks sent us the following report:
"I have been watching the Sinabung volcano for the last two weeks, there is a big lava lobe hanging at the summit, you can see it glow at night.
Debris flows are getting bigger and more frequent, usually the rocks come form the side of the lobe, where it is contact with the walls made of older formations (sign the the lobe moves forward), between 10 and 25 times a day, going down the flank to distances between 500 and 2000m in general, couple of them went to 3000m yesterday when a big piece of the frontal part of the lobe collapsed.
There is still a 5km forbidden perimeter, more or less respected by the people who want to go back in their houses after being refugees for 18 months."
Previous news
The new lava lobe as on 11 March 2015 (image: Sadrah PS / Culture Volcan)
Tuesday, Mar 17, 2015
A new lava lobe has started to grow since early March. From mid-March, it began to produce new rockfalls and pyroclastic flows. [more]
Friday, Feb 20, 2015
A high-level eruption at 15:22 UTC (22:22 local time) with an ash plume rising to 45,000 ft (15 km) altitude was reported by Darwin VAAC short time ago. ... [more]
Sinabung's new lava lobe in the crater (image: Leopold Kennedy Adam ‏@LeopoldAdam / twitter)
Friday, Feb 20, 2015
Pyroclastic flows continue to occur, as a new lobe of viscous lava is growing in the summit crater. The collapses during the past 2 weeks and their associated flows have strongly changed the morphology of the crater, removing most of the existing dome, while this is now being replaced by fresh material. ... [more]
Pyroclastic flow at Sinabung this morning (image: @BeidarSinabung  / twitter)
Monday, Feb 16, 2015
Following the large pyroclastic flow on 9 Feb, several smaller to medium ones have occurred over the past days. ... [more]
Tuesday, Feb 10, 2015
Another large pyroclastic flow occurred yesterday morning. The flow traveled 2-3 km to the base of the mountain and produced an impressive coignimbrite ash plume that rose to approx. 4 km altitude. ... [more]

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