Udone-shima
| Udone-shima (鵜渡根島) is a volcanic, deserted island located in the Philippine Sea approximately 150 kilometres (93 mi) south of Tokyo in between Toshima and Nii-jima, in the northern portion of the Izu archipelago, Japan. | ||||||
| Location： Izu Islands | ||||||
| Archipelago： Izu Islands | ||||||
| Length： 1,500 m (4900 ft) | ||||||
| Width： 550 m (1800 ft) | ||||||
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