Great Kantō Earthquake

1923 megathrust earthquake in Japan

The Great Kantō Earthquake (Japanese: 関東大地震, Kantō daijishin, or 関東大震災, Kantō daishinsai) was a megathrust earthquake that struck the Kantō Plain on the main Japanese island of Honshu at 11:58:32 JST (02:58:32 UTC) on Saturday, 1 September 1923. It had an approximate magnitude of 8.0 on the moment magnitude scale (Mw), with its epicenter located some 100 km (62 mi) southwest of the capital Tokyo. The earthquake devastated Tokyo, the port city of Yokohama, and the surrounding prefectures of Kanagawa, Chiba, and Shizuoka, causing widespread damage throughout the Kantō region.

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