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Mount Amukta

Mount Amukta

The undissected stratovolcano of Amukta volcano makes up most of nearly circular, 7.7-km-wide Amukta Island. It is the westernmost of the Islands of Four Mountains chain. The cone, about 5.8 km in basal diameter and topped by a 0.4 km wide summit crater, appears on synthetic-aperture radar imagery to be built upon a 300+ meter high, east-west trending arcuate ridge. Extensions of that ridge on the southwest and east sides of the island indicate an older caldera approximately 6 km in diameter and open to the sea on the south side. No hot springs or fumaroles have been reported from Amukta. Sekora reports the presence of a cinder cone near the northeastern shore of the island. ... more on Wikipedia

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Volcanoes in the United States 71.5k VIEWS There are more volcanoes in America and Canada than most people realize. If you count all types: dormant, active, inact...