Mount Iō (Shiretoko)

Mount Iō
硫黄山
Mount Iō from near the top (August 2005)
Elevation	1,562.0 m (5,125 ft) [1]
Prominence	243 m (797 ft) [1]
Parent peak	Mount Sashirui
Listing	List of mountains in Japan List of volcanoes in Japan
Translation	Sulphur Mountain (Japanese)
Location
Mount Iō Location of Mount Iō in Japan.
Location	Hokkaidō, Japan
Range	Shiretoko Peninsula
Coordinates	44°8′0″N 145°9′40″E / 44.133333°N 145.16111°E / 44.133333; 145.16111Coordinates: 44°8′0″N 145°9′40″E / 44.133333°N 145.16111°E / 44.133333; 145.16111[1]
Topo map	Geospatial Information Authority, 25000:1 硫黄山 50000:1 羅臼
Geology
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.

History of eruptions

Mount Iō has erupted at the following times:^[3]

1. 850 AD ± 500 years
2. 1857–1858
3. 23–26 September 1876
4. 24–26 November 1880
5. 9–26 August 1889
6. 15 June 1890–unknown
7. Decembeber 1935–October 1936

References

1. ^ ^{a b c} Geospatial Information Authority map 25000:1 硫黄山, last access May 23, 2008
2. ^ Hunt, Paul (1988). Hiking in Japan: An Adventurer's Guide to the Mountain Trails. Tokyo: Kodansha International Ltd.. ISBN 0-87011-893-5. 
3. ^ ^{a b} Global Volcanism Program, article on Mount Iō, last access 23 May 2008

See also

• Shiretoko National Park
• List of mountains in Japan

The mountains of Shiretoko Peninsula from Mount Iō.