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1923 Great Kantō earthquake facts for kids

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1923 Great Kantō earthquake
Duration 48 s 4 min
Magnitude 7.9 8.0 8.2 Mw
Depth 23 km (14 mi)
Epicenter 35°19.6′N 139°8.3′E / 35.3267°N 139.1383°E / 35.3267; 139.1383
Type Megathrust
Areas affected Japan
Max. intensity XI (Extreme)
Tsunami Up to 12 m (39 ft)
in Atami, Shizuoka, Tōkai
Landslides Yes
Aftershocks 6 of 7.0 M or higher
Casualties 105,385–142,800 deaths

The Great Kantō earthquake (関東大震災, Kantō daishinsai) was a Japanese natural disaster in the Kantō region of the island of Honshū. The earthquake struck at 11:58:44 am JST (2:58:44 UTC) on Saturday, September 1, 1923. It lasted between 4 and 10 minutes.

This earthquake destroyed Tokyo, the port city of Yokohama, surrounding prefectures of Chiba, Kanagawa, and Shizuoka. It caused widespread damage. About 140,000 people died.


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