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岩尾火山群

Ivao Group

火砕丘 · Russia · 1426m

The Ivao Group within the Krishtofovich Ridge has undergone extensive erosion and the remains are mostly lava flows; it is in SW Urup island and contains three remaining cones. The group is in the center of this September 2019 Planet Labs satellite image monthly mosaic (N is at the top; this image is approximately 40 km across).
The Ivao Group within the Krishtofovich Ridge has undergone extensive erosion and the remains are mostly lava flows; it is in SW Urup island and contains three remaining cones. The group is in the center of this September 2019 Planet Labs satellite image monthly mosaic (N is at the top; this image is approximately 40 km across). · 写真: Satellite image courtesy of Planet Labs Inc., 2019 (https://www.planet.com/).
タイプ
火砕丘
国
Russia
地域
Northwestern Pacific Volcanic Regions / Kuril Volcanic Arc
標高
1426m
座標
45.759, 149.676
最終噴火
不明
テクトニクス環境
Subduction zone / Intermediate crust (15-25 km)
火山地形
Cluster
主要岩石
No Data (checked)
地質学的概要

The Ivao group of cones along the Krishtofovich Ridge of SW Urup Island contains several well-preserved cones of Holocene age. The first of a group of three young cones, at the NW end of the chain, is the Ivao cone. The SE-most cone bisects a glacial valley, forming Lake Ivao. The elongated central cone, Krutaya Mountain, is the youngest, and produced a viscous lava flow that traveled to the east.

Wikipedia の要約

英語版の要約

Ivao Group is a group of cinder cones located in the southern part of the uninhabited, volcanic Urup Island, in the Kuril Archipelago, Russia.

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