火山噴火

Eruption of Aniakchak

13 世紀 · 56.88° N, 158.17° W

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 is a 10 kilometers (6.2 mi) wide caldera with a break to the northeast.

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13 世紀 を地図で見る

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時期
13 世紀
種類
火山噴火
座標
56.88° N, 158.17° W
Date uncertainty
± 145 years
Vent
NW caldera floor (Half Cone)
Dated by
Isotopic: 14C (calibrated)
Volcano number
312090
Eruption number
22139

Mount Aniakchak

Caldera in Alaska

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 is a 10 kilometers (6.2 mi) wide caldera with a break to the northeast. The caldera contains Surprise Lake and many volcanic cones, maars and craters, including Vent Mountain.

出典: Wikipedia、CC BY-SA · 記事を読む

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