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Unnamed lava dome

Alaska Peninsula Arc at 155.4°W

Kubah lava · United States · 402 m

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. · Foto: Satellite image courtesy of Planet Labs Inc., 2019 (https://www.planet.com/).
Tipe
Kubah lava
Negara
United States
Wilayah
North America Volcanic Regions / Alaska Peninsula Volcanic Arc
Ketinggian
402 m
Koordinat
57.870, -155.411
Letusan terakhir
Tidak diketahui
Kondisi tektonik
Subduction zone / Continental crust (> 25 km)
Bentuk lahan
Minor (Silicic)
Batuan utama
No Data (checked)
Ringkasan geologi

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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