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6.4
EarthquakeMajor

M6.4 earthquake near Kamaishi, Iwate

32084 d ago · 13 Dec 1938, 17:25 UTC 133 km SE of Kamaishi, Japan

What happened

A magnitude 6.4 earthquake struck 133 km SE of Kamaishi, Japan on 13 Dec 1938, 17:25 UTC at a depth of 20 km.

Earthquakes of this size are classed as Strong. Can cause damage in populated areas up to tens of kilometres away. This was a shallow earthquake, which tends to be felt more strongly at the surface.

The nearest town in our records is Kamaishi, about 134 km away in Iwate, Japan.

Timeline

  1. First reported by USGS

    16 Oct 2026, 20:46 UTC

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