Mount Oakan: Difference between revisions
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==Geography== |
==Geography== |
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Mount Oakan sits in the Akan caldera northeast of [[Lake Akan]]. The volcano rises some {{convert|900|m|ft}} above the surrounding terrain. The top of the volcano is {{convert|1370|m|ft}} above sea level. The volcanic cone is some {{convert|8|km|mi}} in diameter. There are three explosion craters at the summit. |
Mount Oakan sits in the Akan caldera northeast of [[Lake Akan]]. The volcano rises some {{convert|900|m|ft}} above the surrounding terrain. The top of the volcano is {{convert|1370|m|ft}} above sea level. The volcanic cone is some {{convert|8|km|mi}} in diameter. There are three explosion craters at the summit. At {{nihongo|Kitanakahara|北中腹}} at about {{convert|800|m|ft}}, there is a [[fumarole]].<ref name="Saitō" /> |
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==History== |
==History== |
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Revision as of 13:24, 10 October 2008
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Mount Oakan (雄阿寒岳, Oakan-dake) is a shield volcano located in Akan National Park in Hokkaidō, Japan.
Geography
Mount Oakan sits in the Akan caldera northeast of Lake Akan. The volcano rises some 900 metres (3,000 ft) above the surrounding terrain. The top of the volcano is 1,370 metres (4,490 ft) above sea level. The volcanic cone is some 8 kilometres (5.0 mi) in diameter. There are three explosion craters at the summit. At Kitanakahara (北中腹) at about 800 metres (2,600 ft), there is a fumarole.[1]
History
Mount Oakan emerged in the Late Pleistocene dropping pumice on Minamishikata. After that, continuous lava flows formed the bulk of the volcano. In the final stages of its life, a parasitic volcanoe formed a lava dome at the summit.[1]
According to its name and local legend, Mount Oakan is the male counterpart to Mount Meakan on the other side of Lake Akan. [2]
References
- Geographical Survey Institute
- Akan, Global Volcanism Program, Smithsonian National Museum of Natural History
- OEAKAN-DAKE, Quarternary Volcanoes of Japan, Geological Survey of Japan, AIST, 2006
- Hokkaido, Seamless Digital Geological Map of Japan, Geological Survey of Japan, AIST, 2007.
Notes
- ^ a b Saitō, Hiroshi (1996). "雄阿寒岳火山". 新版 地学事典 (in Japanese). 平凡社. Retrieved 2008-10-10.
- ^ Hunt, Paul (1988). "32: Climbing an Active Volcano: Meakan-dake (雌阿寒岳)". Hiking in Japan: An Adventurer's Guide to the Mountain Trails (First Edition ed.). Tokyo and New York: Kodansha International. pp. 195–200. ISBN 0-87011-893-5.
{{cite book}}:|edition=has extra text (help)
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