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Mount Takawangha

Takawangha

成層火山 · United States · 1449m

Takawangha is seen here looking E from the summit of East Tanaga. It lies across a saddle from historically active Tanaga volcano to the west. The summit has five Holocene craters that produced explosive eruptions and lava flows that reached the lower flanks during the last few thousand years.
Takawangha is seen here looking E from the summit of East Tanaga. It lies across a saddle from historically active Tanaga volcano to the west. The summit has five Holocene craters that produced explosive eruptions and lava flows that reached the lower flanks during the last few thousand years. · 写真: Photo by Michelle Coombs, 2003 (Alaska Volcano Observatory, U.S. Geological Survey). · Wikimedia Commons
タイプ
成層火山
United States
地域
North America Volcanic Regions / Aleutian Ridge Volcanic Arc
標高
1449m
座標
51.873, -178.006
最終噴火
1550年
テクトニクス環境
Subduction zone / Intermediate crust (15-25 km)
火山地形
Composite
主要岩石
Basalt / Picro-Basalt
地質学的概要

Takawangha is a youthful volcano with an ice-filled caldera on northern Tanaga Island, near the western end of the Andreanof Islands. It lies across a saddle from historically active Tanaga volcano to the west; older, deeply eroded volcanoes lie adjacent to the east. The summit of the dominantly basaltic to basaltic andesite volcano is largely ice covered, with the exception of five Holocene craters that during the last few thousand years produced explosive eruptions and lava flows that reached the lower flanks. No historical eruptions are known, although radiocarbon dating indicates explosive eruptions have occurred within the past several hundred years.

Wikipedia の要約

英語版の要約

Mount Takawangha is a stratovolcano located in Tanaga Island, Alaska. It sits in close proximity with another volcano known as Mount Tanaga, which shares the same name as the island itself. Older and more eroded volcanoes can also be found east of Takawangha. Its elevation is 4,754 ft, making it the second-highest peak on the island.

Wikipedia · CC BY-SA · 記事全文を読む

噴火履歴

概要 (VEI時系列)
バーをクリックすると個別の噴火が表示されます
1550~1550 · 1件 · 最大 VEI ?15501550155115511551

詳細タイムライン

  1. 1550年VEI ?地質学的推定
    1550 ~ 進行中

外部リンク

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