The Daisetsuzan Volcanic Group (大雪山系, Daisetsu-sankei, also called Taisetsu-zan) is a volcanic group of peaks arranged around the 2 kilometres (1.2 mi) wide Ohachi-Daira (御鉢平, Ohachi-daira) caldera in Hokkaidō, Japan. In the Ainu language it is known as Nutapukaushipe (which means "the mountain above the river"),[2] Nutaku Kamushupe, or Optateske.[3] These peaks are the highest in Hokkaidō. The group lends its name to the Daisetsuzan National Park in which the volcanic group is located.
| Daisetsuzan Volcanic Group | |
|---|---|
| Nutapukaushipe or Nutaku Kamushupe | |
 A view from Biei town | |
| Highest point | |
| Peak | Mount Asahi |
| Elevation | 2,290 m (7,510 ft) |
| Coordinates | 43°39′N 142°51′E / 43.650°N 142.850°E |
| Naming | |
| Etymology | big snowy mountains |
| Native name | |
| Geography | |
  Daisetsuzan Volcanic Group  Daisetsuzan Volcanic Group | |
| Country | Japan |
| State | Hokkaidō |
| Region | Kamikawa Subprefecture |
| Parent range | Ishikari Mountains |
| Biome | alpine climate |
| Geology | |
| Orogeny | island arc |
| Age of rock | Quaternary |
| Type of rock | volcanic |
| Last eruption | AD 1739 or later[1] |
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Geography edit
The volcanic group lies at the north end of the Daisetsu-Tokachi graben[3] on the Kurile arc of the Ring of Fire. The volcanic zone makes itself known through a number of fumaroles and natural hot springs.
List of mountains by height edit
The following peaks make up the volcanic group:
| Name | Height | Type |
|---|---|---|
| Mount Asahi (旭岳, Asahi-dake) | 2,290 metres (7,510 ft) | stratovolcano |
| Mount Hokuchin (北鎮岳, Hokuchin-dake) | 2,244 metres (7,362 ft) | lava dome |
| Mount Hakuun (白雲岳, Hakuun-dake) | 2,230.0 metres (7,316.3 ft) | lava dome |
| Mount Kuma (熊ヶ岳, Kuma-ga-dake) | 2,210 metres (7,250 ft) | stratovolcano |
| Mount Pippu (比布岳, Pippu-dake) | 2,197 metres (7,208 ft) | volcanic |
| Mount Mamiya (間宮岳, Mamiya-dake) | 2,185 metres (7,169 ft) | caldera rim |
| Mount Koizumi (小泉岳, Koizumi-dake) | 2,158 metres (7,080 ft) | stratovolcano |
| Mount Hokkai (北海岳, Hokkai-dake) | 2,149 metres (7,051 ft) | caldera rim |
| Mount Nokogiri (鋸岳, Nokogiri-dake) | 2,142 metres (7,028 ft) | volcanic |
| Mount Matsuda (松田岳, Matsuda-dake) | 2,136 metres (7,008 ft) | caldera rim |
| Mount Ryōun (凌雲岳, Ryōun-dake) | 2,125 metres (6,972 ft) | lava dome |
| Mount Naka (中岳, Naka-dake) | 2,113 metres (6,932 ft) | caldera rim |
| Mount Aibetsu (愛別岳, Aibetsu-dake) | 2,112.7 metres (6,931 ft) | volcanic |
| Mount Aka (赤岳, Aka-dake) | 2,078.5 metres (6,819 ft) | stratovolcano |
| Mount Eboshi (烏帽子岳, Eboshi-dake) | 2,072 metres (6,798 ft) | stratovolcano |
| Mount Goshiki (五色岳, Goshiki-dake) | 2,038 metres (6,686 ft) | - |
| Mount Midori (緑岳, Midori-dake) | 2,019.9 metres (6,627 ft) | - |
| Mount Kuro (黒岳, Kuro-dake) | 1,984.3 metres (6,510 ft) | lava dome |
| Mount Nagayama (永山岳, Nagayama-dake) | 1,978 metres (6,490 ft) | stratovolcano |
| Mount Keigetsu (桂月岳, Keigetsu-dake) | 1,938 metres (6,358 ft) | lava dome |
See also edit
References edit
- ^ Taisetsu Volcano Group - Geological Survey of Japan
- ^ Geographical Survey Institute website Archived 26 August 2008 at the Wayback Machine (in Japanese), last access 1 July 2008.
- ^ a b "Global Volcanism Program - Daisetsu". Smithsonian National Museum of Natural History. Archived from the original on 26 January 2009. Retrieved 1 July 2008.
- Hokkaipedia, Daisetsuzan Mountains, last access 2 July 2008.
- Teikoku's Complete Atlas of Japan, Teikoku Shoin Co., Ltd, Tokyo 1990, ISBN 4-8071-0004-1
External links edit
- Taisetsuzan - Japan Meteorological Agency (in Japanese)
- Taisetsuzan: National catalogue of the active volcanoes in Japan - Japan Meteorological Agency
- Taisetsu Volcano Group - Geological Survey of Japan
- Taisetsuzan - Smithsonian Institution: Global Volcanism Program
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