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Bolshoy Kekuknaysky Volcano

Bolshoi-Kekuknaysky

楯状火山 · Russia · 1401m

Kekuk crater on the lower northern flank of the Bolshoi-Kekuknaysky volcanic complex formed about 7,200 years ago. The 1-km-wide crater formed beside a lava dome (left) which likely was erupted immediately prior to formation of the crater. Bolshoi and Kekuknaysky are two large partially overlapping Pleistocene edifices that contain scoria cones on their flanks.
Kekuk crater on the lower northern flank of the Bolshoi-Kekuknaysky volcanic complex formed about 7,200 years ago. The 1-km-wide crater formed beside a lava dome (left) which likely was erupted immediately prior to formation of the crater. Bolshoi and Kekuknaysky are two large partially overlapping Pleistocene edifices that contain scoria cones on their flanks. · 写真: Copyrighted photo by Adam Kirilenko, 2003.
タイプ
楯状火山
国
Russia
地域
Northwestern Pacific Volcanic Regions / Central Kamchatka Volcanic Arc
標高
1401m
座標
56.483, 157.917
最終噴火
-5310年
テクトニクス環境
Subduction zone / Continental crust (> 25 km)
火山地形
Shield
主要岩石
Basalt / Picro-Basalt
地質学的概要

Bolshoi (Bolshoy) and Kekuknaysky are two large, partially overlapping basaltic shield volcanoes located NW and NNW, respectively, of Uksichan volcano. The massive Pleistocene shield volcanoes were constructed west of the axis of the Sredinny Range. Hawaiian-type calderas are located at the summits, and their flanks have numerous youthful cinder cones. The summit caldera of Bolshoi is breached by four radial valleys, whereas the 6-km-wide caldera of Kekuknaysky (also known as Leningradets volcano) is breached to the north. Young cinder cones and lava flows are particularly abundant on the NE flank of Kekuknaysky. Kekuk crater on the lower N flank erupted about 7,200 years ago.

Wikipedia の要約

英語版の要約

Bolshoy Kekuknaysky is a volcano located in the central part of the Kamchatka Peninsula, Russia. It comprises two shield volcanoes: Bolshoy (1301 m) and Kekuknaysky (1401 m). Their lava flows and cinder cones have dammed a valley dissecting the mountain, creating the Bolshoye Goltsovoye and Maloye Goltsovoe lakes. The last eruption occurred at Kekuk Crater, about 7,200 years ago.

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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
5310 BCE~5310 BCE · 1件 · 最大 VEI 35310 BCE5310 BCE5309 BCE5309 BCE5309 BCE

詳細タイムライン

  1. 紀元前 5310年 (±100年)VEI 3地質学的推定
    BCE 5310 ~ 進行中
    N flank of Kekuknaysky (Kekuk Crater)

外部リンク

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