Izu Ōshima
| Native name: 伊豆大島 | |
|---|---|
 |
|
| Geography | |
| Location | Izu Islands |
| Coordinates | 34°44′0″N 139°24′0″E / 34.73333°N 139.40000°ECoordinates: 34°44′0″N 139°24′0″E / 34.73333°N 139.40000°E |
| Area | 91.06 km2 (35.16 sq mi) |
| Coastline | 52 km (32.3 mi) |
| Highest elevation | 764 m (2,507 ft) |
| Administration | |
|
Japan
|
|
| Demographics | |
| Population | 8,179 (October 2015) |
| Ethnic groups | Japanese |
Izu Ōshima (伊豆大島 Izu-ōshima?) is an inhabited volcanic island in the Izu archipelago in the Philippine Sea, approximately 120 kilometres (75 mi) southeast of Honshu, Japan, 22 km (14 mi) east of the Izu Peninsula and 36 km (22 mi) southwest of Bōsō Peninsula. As with the other islands in the Izu Island group, Miyake-jima forms part of the Fuji-Hakone-Izu National Park. Izu Ōshima, at 91.06 km² is the largest and closest of Tokyo's outlying islands, which also include the Ogasawara Islands.
The island is a stratovolcano with a basaltic composite cone, dating from the late period, between 10,000 and 15,000 years ago, rain from an ocean floor with a depth of between 300 and 400 meters, The island has a roughly circular coastline of approximately 52 kilometers in length. The highest elevation Mount Mihara (三原山 Mihara-san?) is an active volcano with a height of 758 meters. The mountain has been recorded to have erupted numerous times throughout history, and is mentioned as far back as Nara period written records.
Major eruptions occurred in 1965 and 1986, each forcing the temporary evacuation of the inhabitants. The last recorded eruption was in 1990.
...
Wikipedia