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Vog from Ambrym Volcano
August 16, 2013 | NASA Earth Observatory

NASA’s Earth Observatory has an image of vog (volcanic smog) flowing from the craters of Ambrym Volcano in the Vanatu Islands of the South Pacific.


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Underwater Eruption from Space
February 16, 2014 | NASA Earth Observatory
"Kavachi is an undersea volcano on the southern edge of the Solomon Islands in the western Pacific Ocean. It erupted dozens of times in the 20th century, often breaking the water surface, only to be eroded back below the water line within a few months." Satellite view from NASA Earth Observatory.

Deadly Pyroclastic Flow at Paluweh
September 5, 2013 | NASA Earth Observatory
Paluweh Volcano in Indonesia has been erupting since late 2012 with most of the debris and ash flowing to the south side of the volcano. In August a pyroclastic flow went down the north side of the volcano, killing five people. NASA's Earth Observatory has before and after satellite images of the island.

The Impact of Fragmenting a Forest Environment
October 2, 2013 | New York Times
In 1987, Thailand built a dam on the Khlong Saeng river. As the reservoir filled it transformed over 100 forested hilltops into islands. Now each island, along with its plant and animal inhabitants, is an experiment to test what happens with a forest environment is fragmented.


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