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Saturday, June 25, 2011

Geology of the Mount Sinabung

Most of Indonesian volcanism stems from the Sunda Arc, created by the subduction of the Indo-Australian Plate under the Eurasian Plate. This arc is bounded on the north-northwest by the Andaman Islands, a chain of basaltic volcanoes, and on the East by the Banda Arc, also created by subduction.
Sinabung is an andesitic dacitic stratovolcano with a total of four volcanic craters, only one being active.


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