Mount Aniakchak
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Mount Aniakchak is a volcano on the western Alaska Peninsula. Part of the Aleutian Volcanic Arc, it was formed by the subduction of the oceanic Pacific Plate under the North American Plate. Aniakchak
Mount Aniakchak caldera
Landscape inside the caldera
Vent Mountain at Aniakchak
Volcanic crater lake
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A volcanic crater lake, or simply crater lake, is a lake in a crater that was formed by explosive activity or a collapse during a volcanic eruption. Water from various sources accumulates in the crate
Mount Aniakchak
…with other volcanic eruptions at that time, Aniakchak II may have caused climatic anomalies. The present-day caldera formed during this eruption. A lake formed in the caldera, which drained in one of the largest known floods of the Holocene. Many lava domes and cones were emplaced within the caldera after the Aniakchak II…
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