Sakurajima (säkōˈräˈjĭmä) [key], peninsula, Kagoshima prefecture, S Kyushu, Japan, in Kagoshima Bay opposite Kagoshima. Formerly an island, Sakurajima became a peninsula in 1914 when lava from three volcanic cones closed the channel (Mt. Sakurajima is one of the most active volcanoes in Japan). Its fruits and turnips are famous throughout Japan.
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