| Mount Iō | |
|---|---|
| 硫黄山 | |
 Mount Iō and Kamuiwakka Falls (August 2014) | |
| Highest point | |
| Elevation | 1,562.0 m (5,124.7 ft)[1] |
| Prominence | 243 m (797 ft)[1] |
| Parent peak | Mount Sashirui |
| Listing | List of mountains in Japan List of volcanoes in Japan |
| Coordinates | 44°8′0″N 145°9′40″E / 44.13333°N 145.16111°E[1] |
| Naming | |
| English translation | Sulphur Mountain |
| Language of name | Japanese |
| Geography | |
  Mount Iō Location of Mount Iō in Japan. | |
| Location | Hokkaidō, Japan |
| Parent range | Shiretoko Peninsula |
| Topo map | Geospatial Information Authority, 25000:1 硫黄山 50000:1 羅臼 |
| Geology | |
| Mountain type | Stratovolcano |
| Volcanic arc/belt | Kuril arc[2] |
| Last eruption | 1936 |
Mount Iō (硫黄山, Iō-zan) also Mount Iwo is an active andesitic stratovolcano on the Shiretoko Peninsula of Hokkaidō, Japan. It sits within the borders of the town of Shari. Mount Iō is known for erupting liquid sulphur in the eruptions of 1889 and 1936.[3] Mount Iō literally means, sulphur mountain. There are two explosion craters and a lava dome at the summit of the volcano.[4]
History of eruptions
Volcanic activity started at least 240,000 years ago.[4] Mount Iō has erupted at the following times:[5]
- 850 AD ± 500 years
- 1857–1858
- 23–26 September 1876
- 24–26 November 1880
- 9–26 August 1889
- 15 June 1890–unknown
- December 1935–October 1936
See also
References
- 1 2 3 Geospatial Information Authority map 25000:1 硫黄山, last access May 23, 2008
- ↑ Hunt, Paul (1988). Hiking in Japan: An Adventurer's Guide to the Mountain Trails. Tokyo: Kodansha International Ltd. ISBN 0-87011-893-5.
- ↑ "Shiretoko-Iozan: General Information". Global Volcanism Program. Smithsonian Institution. Retrieved 2021-06-25.
- 1 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.
- ↑ "Shiretoko-Iozan: Eruptive History". Global Volcanism Program. Smithsonian Institution. Retrieved 2021-06-25.
External links
Media related to Mount Iō (Shiretoko) at Wikimedia Commons- Shiretoko-Iozan - Japan Meteorological Agency (in Japanese)
- "Shiretoko-Iozan: National catalogue of the active volcanoes in Japan" (PDF). - Japan Meteorological Agency
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