Mount Marapi in Sumatra, Indonesia erupted on Wednesday, September 26, 2012, spewing ash about 1.5 kilometers to the west.  

The Batu Tara volcano in the Sunda Islands, Indonesia, erupted Thursday, September 27, 2012, with ash explosions to 7,000 to 8,000 feet at this time.

The Semeru volcano in East Java, Indonesia, is erupting with a growing lava dome and ash explosions.

The Gamalama volcano in Halmahera, Indonesia, erupted on September 17, 2012, and continues to erupt, with seismic activity....

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