Mount Iō (Iōjima)

Mount Iō (硫黄岳, Iō-dake) also Mount Iwo is an active rhyolitic lava dome on Iōjima in Kagoshima Prefecture, Japan. It sits within the borders of the town of Mishima.

Mount Iō
硫黄岳
Aerial view of Iōjima with Mount Iō steaming.(February 2008)
Highest point
Elevation703.7 m (2,309 ft)[1]
Prominence704 m (2,310 ft) 
ListingList of mountains and hills of Japan by height
Coordinates30°47′35″N 130°18′19″E[1]
Naming
English translationSulphur Mountain
Language of nameJapanese
Geography
LocationIōjima, Kagoshima Prefecture, Japan
Parent rangeKikai Caldera
Topo mapGeographical Survey Institute, 25000:1 薩摩硫黄島, 50000:1 開聞岳
Geology
Age of rockHolocene
Mountain typeStratovolcano
Volcanic arc/beltRyukyu arc
Last eruptionJune 2013
Mount Iō. May, 2015. Taken from the east.

The mountain is made up of non-alkali felsic rock and pyroclasitic flows.[2]

References

  1. Geographical Survey Institute map 25000:1 薩摩硫黄島, last access 9 January 2009
  2. "Kyushu". Seamless Digital Geographical Map of Japan. Geological Survey of Japan AIST. 2007. Retrieved 2009-01-13.


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