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Unnamed lava dome

Alaska Peninsula Arc at 155.4°W

용암돔 · 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.
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. · 사진: Satellite image courtesy of Planet Labs Inc., 2019 (https://www.planet.com/).
화산 유형
용암돔
국가
United States
지역
North America Volcanic Regions / Alaska Peninsula Volcanic Arc
해발
402m
좌표
57.870, -155.411
마지막 분화
미확인
판구조 환경
Subduction zone / Continental crust (> 25 km)
화산 지형
Minor (Silicic)
주요 암석
No Data (checked)
지질학적 요약

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.

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