St. Michael volcanic field
St. Michael
火山原 · United States · 715m
- タイプ
- 火山原
- 国
- United States
- 地域
- North America Volcanic Regions / Northern Alaska-Bering Sea Volcanic Province
- 標高
- 715m
- 座標
- 63.450, -162.120
- 最終噴火
- 不明
- テクトニクス環境
- Intraplate / Continental crust (> 25 km)
- 火山地形
- Cluster
- 主要岩石
- Basalt / Picro-Basalt
地質学的概要
The St. Michael volcanic field, at the south end of Norton Sound, includes more than 55 cones and craters on St. Michael and Stuart islands. Broad low shield volcanoes underlie the younger cones, and maars are located at the SW part of the field, which covers over 3,000 km2 and extends inland along the Golsovia and Kogok rivers. The youngest activity is of Holocene age, and native tradition says that a village was submerged by lava three times (Dall, 1870).
Wikipedia の要約
英語版の要約The St. Michael volcanic field is a volcanic field located on St. Michael and Stuart Islands in western Alaska, United States. It contains 55 cones and craters, including low broad shield volcanoes and maars. It is considered part of the Bering Sea Volcanic Province.
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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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