Unnamed lava dome

Alaska Peninsula Arc at 155.4°W

溶岩ドーム · United States · 402m

A small unnamed lava dome and an associated lava flow is located near the center of this Planet Labs September 2019 satellite image mosaic (N is at the top). The dome lies near the head of Big Alinchak Creek, NW of Alinchak Bay, and does not show evidence of glacial erosion. · 写真: Satellite image courtesy of Planet Labs Inc., 2019 (https://www.planet.com/).

タイプ: 溶岩ドーム
国: United States
地域: North America Volcanic Regions / Alaska Peninsula Volcanic Arc
標高: 402m
座標: 57.870, -155.411
最終噴火: 不明
テクトニクス環境: Subduction zone / Continental crust (> 25 km)
火山地形: Minor (Silicic)
主要岩石: No Data (checked)

地質学的概要

A small unnamed lava dome and an associated lava flow about 30 km E of Becharof Lake and 8 km NW of Alinchak Bay are not significantly modified by glacial erosion. Detterman et al. (1987) suggested a Holocene age for the small dome. Lava flows traveled a short distance to the north.

噴火履歴

詳細タイムライン

噴火記録はありません。

外部リンク

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