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Country: | Japan | |
| Subregion Name: | Ryukyu Islands (Japan) | ||
| Volcano Number: | 0802-04= | ||
| Volcano Type: | Stratovolcanoes | ||
| Volcano Status: | Historical | ||
| Last Known Eruption: | 1914 | ||
| Summit Elevation: | 979 m | 3,212 feet | |
| Latitude: | 29.856°N | 29°51'20"N | |
| Longitude: | 129.859°E | 129°51'33"E | |
| The 9 x 5 km island of Nakano-shima is surrounded by coral reefs. A flat plateau separates an older dissected volcano on the south from the active andesitic cone of On-take, which forms the northern half of the island. On-take contains a summit crater that is filled with water during the rainy season. Sulfur deposits were mined at a SE-flank solfatara until 1944. Only very minor activity has been reported in historical time. A small mud eruption took place in 1914 at the summit crater, and "smoking" increased in 1949. | |||
