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Volcanic activity worldwide 15 Sep 2015: Sinabung volcano
Tue, 15 Sep 2015, 21:00
21:00 PM |
Sinabung (Sumatra, Indonesia)
Ash plume from a pyroclastic flow at Sinabung this morning (photo: Dedi Vernandho Ginting / facebook)
: (15 Sep
) A moderately large pyroclastic flow occurred this morning (08:22 local time) at the volcano. The associated ash plume rose to 18,000 ft (5.4 km) altitude.
During the past months, Sinabung has continued to slowly extrude viscous lava that accumulates at its top in form of a dome with lobes on the upper slopes. When parts of these unstable features collapse, they generate such avalanches. Overall, activity at the volcano has been gradually decreasing recently.
: A powerful explosion occurred this morning from the Nakadake crater, producing a dense ash cloud that collapsed into several pyroclastic flows and rose approx. 2 km above the crater. ... read all
: The volcano's lava dome continues to be active. At night, constant incandescence can be seen and frequent small avalanches occur. A dilute ash plume can be seen rising from it. ... read all
: A new eruption occurred at the volcano this morning at 07:53 local time. An explosion produced an ash plume that rose approx. 1.5 km above the summit and drifted NE and dispersed quickly. The Ternate airport was temporarily closed. ... read all
Sakurajima (Kyushu, Japan)
: (4 Sep
) After 3 weeks with almost no or no significant explosions, the volcano seems to be back in its typical state of activity that has been going on for years (but been quite elevated during the past years in comparison): intermittent small to moderately sized vulcanian-type explosions from the Showa crater have resumed since 1 Sep, producing ash plumes that rose to heights of 5-9,000 ft (1.5 - 2.7 km) altitude. ... read all
Sakurajima (Kyushu, Japan)
: (3 Sep
) The alert level was downgraded back to 3 (out of 5) last Tuesday as signs of unrest and the risk of a sudden major explosion have decreased. ... read all
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: A strong earthquake swarm and increased inflation were detected in August 2015 and triggered authorities to raise the alert level, as volcanologists think that a larger eruption could follow. News and updates on the events can be found on this page.
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