Indonesia: Sinabung Volcanic Eruption...

Indonesia: Sinabung Volcanic Eruption Raises Alert Level and Sparks Evacuation [PHOTOS]

There are 1 comment on the International Business Times story from Nov 4, 2013, titled Indonesia: Sinabung Volcanic Eruption Raises Alert Level and Sparks Evacuation [PHOTOS]. In it, International Business Times reports that:

Nearly 1,700 people from surrounding villagers were cleared from their homes. The National Disaster Mitigation Agency said refugees had been homed in shelters set up by the military and the police.

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“Geologist [I'm Climate Change]”

Since: Mar 07

formerly Nuneaton

#1 Nov 4, 2013
Nice pics.

Sina still busy blowing its "bung" off I see.

May take a while to re grow the bung over the summit vent, but at least during this eruption series the vent blowoff is near vertical.

Apparently this is the fracture set in the deep crust that was opened & filled with magma during the megathrust earthquake of the 1860s.

Sinabung has not been very productive during the late part of the Holocene which seems to indicate that the bulk of the N. part of the 1860s segment now goes to Toba, South Toba supervolcano*, & the newly formed N. Toba cinder cone field.

South Toba supervolcano has not erupted yet & is currently a large swell between the S. Toba caldera rim & the area S. of Tarutung caused by a rhyolite pluton advancing at mid to deep crustal levels. Crustal relaxation during megathrust quakes causes the pluton to advance into the space created by the jog of the forearc & arc graben wall out toward the Indian Ocean.
Keep watching that space...

Have a nice day: Ag

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