Mount Iō (Iōjima)
| Mount Iō | |
|---|---|
| 硫黄岳 | |
Aerial view of Iōjima with Mount Iō steaming.(February 2008)
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| Highest point | |
| Elevation | 703.7 m (2,309 ft) |
| Listing | List of mountains and hills of Japan by height |
| Coordinates | 30°47′35″N 130°18′19″E / 30.79306°N 130.30528°ECoordinates: 30°47′35″N 130°18′19″E / 30.79306°N 130.30528°E |
| Naming | |
| Translation | Sulphur Mountain (Japanese) |
| Geography | |
| Location | Iōjima, Kagoshima Prefecture, Japan |
| Parent range | Kikai Caldera |
| Topo map | Geographical Survey Institute, 25000:1 薩摩硫黄島, 50000:1 開聞岳 |
| Geology | |
| Age of rock | Holocene |
| Mountain type | Stratovolcano |
| Volcanic arc/belt | Ryukyu arc |
| Last eruption | June 2013 |
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.
The mountain is made up of non-alkali felsic rock and pyroclasitic flows.
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