The most recently known eruption in the Galapagos Islands occurred on land, Saturday, October 22, 2005. The eruption occurred at Sierra Negra Volcano on Isabella Island. A large plume of gases and steam extending approximately 400km southwestwards of the Sierra Negra summit was observed in this photo with NASA satellite imagery on October 25, 2005. Image courtesy of MODIS, NASA, GSFC.
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