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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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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: frequent pyroclastic flows up to 4.5 km long

Saturday Oct 11, 2014 22:09 PM | BY: T

Large pyroclastic flow on Sinabung on 9 Oct 2014 (source: Volcano Alert @infoVolcano / Twitter)
Large pyroclastic flow on Sinabung on 9 Oct 2014 (source: Volcano Alert @infoVolcano / Twitter)
Pyroclastic flow on Sinabung on 7 Oct (Volcano Alert @infoVolcano / Twitter)
Pyroclastic flow on Sinabung on 7 Oct (Volcano Alert @infoVolcano / Twitter)
Pyroclastic flow on Sinabung on 7 Oct (Volcano Alert @infoVolcano / Twitter)
Pyroclastic flow on Sinabung on 7 Oct (Volcano Alert @infoVolcano / Twitter)
Activity has picked up considerably at the volcano during the past days. Several pyroclastic flows (dangerous hot avalanches of fragmented lava and hot gasses) traveled down the SE (and some on the NE) flanks of the volcano, threatening again the closest inhabited areas to the S of Sinabung.
The flows originated by collapses on the viscous growing lava lobe on the steep southeastern flank of the volcano and traveled distances of 3-4.5 km. Some still inhabited villages on the southern feet of the volcano are now at elevated risk.
Ash fall has occurred in more than 12 km distances as a result of the so-called co-ignimbrite ash plumes (rising ash from the avalanches) that rose to several km height. Some ash plumes reached Medan airport where several flights have been cancelled.
Previous news
Sinabung volcano (Sumatra, Indonesia): moderately large pyroclastic flow this morning
Pyroclastic flow on Sinabung this morning
Sunday, Oct 05, 2014
Lava extrusion continues. A series of small to moderately sized pyroclastic flows occurred this morning at the volcano. The flows were likely produced as parts of the upper, unstable and still growing viscous lava dome on the SE flank collapsed: ... [more]
Sinabung volcano (Sumatra, Indonesia): continuing lava effusion, pyroclastic flow yesterday
Pyroclastic flow on Sinabung yesterday afternoon (photo: Ricky Febriansyah / ‏@RickyFebriand17 / twitter)
Wednesday, Oct 01, 2014
The volcano continues to slowly extrude viscous lava feeding the lava lobe on its southeastern flank. Occasional rockfalls, caused by instabilities on the steeper upper parts of the lava flows, continue to occur from time to time and represent a major hazard: Two larger ones occurred yesterday and produced pyroclastic flows that traveled 3.5 km distance to the southeast. ... [more]
Sinabung volcano (Sumatra, Indonesia) activity update: continuing slow lava extrusion
Thursday, Sep 25, 2014
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. ... [more]
Sinabung volcano (Sumatra, Indonesia) activity update
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]
Sinabung volcano (Sumatra, Indonesia): small pyroclastic flow
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]

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