Tsunami — W. Hokkaido Island

When

1 Aug 1940

Kind

Tsunami

Coordinates

44.20° N, 139.50° E

Deaths

10

Injuries

24

Houses destroyed

20

Max water height m

5

Source quake magnitude

7.5

Runups

62

Placed at the area, not an exact site.

Earthquake in Japan

The 1940 Shakotan earthquake occurred on August 2 at 00:08:22 JST with a moment magnitude (Mw) of 7.5 and maximum JMA seismic intensity of Shindo 4. The shock had an epicenter off the coast of Hokkaido, Japan. Damage from the shock was comparatively light, but the accompanying tsunami was destructive. The tsunami caused 10 deaths and 24 injuries on Hokkaido, and destroyed homes and boats across the Sea of Japan.

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• Earthquake — Japan: W. Hokkaido Island1 Aug 1940 · Earthquake · Magnitude 7.5