Kikai Caldera
Kikai Caldera (鬼界カルデラ, Kikai karudera) (alternatively Kikaiga-shima, Kikai Caldera Complex) is a massive, mostly submerged caldera up to 19 kilometres (12 mi) in diameter in the Ōsumi Islands of Kagoshima Prefecture, Japan.
| Kikai Caldera | |
|---|---|
| Highest point | |
| Peak | Mount Iō (Iōjima), Iōjima, Ōsumi Islands, Japan |
| Elevation | 704 m (2,310 ft) |
| Coordinates | 30°47′N 130°19′E |
| Dimensions | |
| Length | 17 km (11 mi) NS |
| Width | 20 km (12 mi) EW |
| Naming | |
| Native name | 鬼界カルデラ (Japanese) |
| Geography | |
| Country | Japan |
| State | Kagoshima Prefecture |
| Region | Ōsumi Islands |
| District | Kagoshima District |
| Subdivisions | Mount Yahazu, Mount Iō (Iōjima), Mount Inamura (Iōjima), Iōjima, Shin Iōjima, Takeshima, Mount Nakasone, Mount Asase, Mount Shitakisone, Iō Tai and Takeshima Tai |
| Municipality | Mishima |
| Geology | |
| Age of rock | 6,300 to 95,000 years ago |
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