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Friday, January 9, 2015

The Hottest Volcano of Them All

From NASA's Earth Observatory:




What is the hottest volcano of them all? It depends on how you define “hottest,” but a fascinating new analysis crunches the numbers in a few different ways, using satellite observations of 95 of Earth’s most active volcanoes since 2000. In terms of total energy radiated, the prize goes to Hawaii’s Kilauea, which has been spilling lava continuously throughout the study period. Thanks to its lava lake, Nyiragongo (Democratic Republic of Congo) came in a close second. Africa’s most active volcano — and Nyiragongo’s neighbor — Nyamuragira came in third for overall energy radiated. The Advanced Land Imager (ALI) on NASA’s Earth Observing-1 (EO-1) satellite captured the image of Kilauea shown here on January 28, 2012.

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