Hokkaido Koma-ga-take

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Mount Hokkaidō-Komagatake
View from Lake Ōnuma (August 2008)
Highest point
Elevation 1,131 m (3,711 ft)
Listing List of mountains and hills of Japan by height
List of volcanoes in Japan
Coordinates 42°03′48″N 140°40′38″E / 42.06333°N 140.67722°E / 42.06333; 140.67722Coordinates: 42°03′48″N 140°40′38″E / 42.06333°N 140.67722°E / 42.06333; 140.67722
Mount Hokkaidō-Komagatake is located in Japan
Mount Hokkaidō-Komagatake
Mount Hokkaidō-Komagatake
Topo map Geographical Survey Institute 25000:1 駒ヶ岳
50000:1 室蘭
Age of rock Quaternary
Mountain type stratovolcano
Volcanic arc/belt Northeastern Japan Arc
Last eruption September to November 2000

Hokkaidō Koma-ga-take (北海道駒ヶ岳, Hokkaidō Koma-ga-take), also Oshima Koma-ga-take (渡島駒ヶ岳), Oshima Fuji (渡島富士), or just Koma-ga-take (駒ヶ岳) is a 1131-meter adesitic stratovolcano[1] on the border between Mori, Shikabe, and Nanae, Hokkaidō, Japan.

Occurrence of volcanic activity started some 30000 years ago. Following roughly 5000 years of dormancy, volcanic activity at Mount Koma-ga-take restarted at the start of the 17th century. Since then, there have been at least 50 recorded volcanic events at Mount Koma-ga-take.[2]


  1. ^ "HOKKAIDO KOMA-GA-TAKE". Quaternary Volcanoes of Japan. Geological Survey of Japan, AIST. 2006. Retrieved 2009-06-22. 
  2. ^ 神沼克伊,小山悦郎 日本の火山を科学する 日本列島津々浦々、あなたの身近にある108の活火山とは? ソフトバンククリエイティブ 2011. ISBN 978-4797361308.

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