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6.4
EarthquakeMajor

M6.4 earthquake near Choshi, Chiba

30503 d ago · 12 Apr 1943, 19:43 UTC 88 km ENE of Hasaki, Japan

What happened

A magnitude 6.4 earthquake struck 88 km ENE of Hasaki, Japan on 12 Apr 1943, 19:43 UTC at a depth of 25 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 Choshi, about 89 km away in Chiba, Japan.

Timeline

  1. First reported by USGS

    16 Oct 2026, 20:46 UTC

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