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Copahue Volcano appeared quiet on February 19, 2013, after several weeks of unrest. This natural-color satellite image was acquired by the Advanced Land Imager (ALI) on the Earth Observing-1 (EO-1) satellite on February 19, 2013. Copahue’s summit features a glacier adjacent to a warm, acidic lake.
NASA Earth Observatory image by Jesse Allen and Robert Simmon, using EO-1 ALI data from the NASA EO-1 team. Caption by Robert Simmon.
After covering a large portion of Iceland with ash in late May 2011, Grímsvötn Volcano left behind a small lake filled with meltwater and a hole in the Vatnajökull Glacier.
The thick brown plume of ash, steam and volcanic gas rising from Anak Krakatau in this true-color image from November 17, 2010, is a common sight at the volcano