Aogashima

Volcanic island in the Philippine Sea

Aogashima (青ヶ島) is a volcanic island to the south of Japan in northernmost Micronesia. It is the southernmost and most isolated inhabited island of the Izu Islands. The islands border the northeast Philippine Sea and lie north of the Ogasawara Islands. The island lies approximately 358 kilometres (222 mi) south of mainland Tokyo and 64 kilometres (40 mi) south of Hachijō-jima.

This keyword could refer to multiple things. Here are some suggestions: