Earthquake — Japan: W. Hokkaido Island

When

1 Aug 1940

Kind

Earthquake

Magnitude

7.5

Where

Japan

Coordinates

44.20° N, 139.50° E

Deaths

10

Injuries

24

Houses destroyed

20

Intensity mmi

9

Depth km

10

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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• NCEI significant earthquakes, tsunamis and volcanic eruptionsNOAA National Centers for Environmental InformationPublic domainSource page

• Tsunami — W. Hokkaido Island1 Aug 1940 · Tsunami