M6.4 earthquake - 282 km SE of Katsuura, Japan
37686 d ago · 12 Aug 1923, 06:10 UTC 282 km SE of Katsuura, Japan
What happened
A magnitude 6.4 earthquake struck 282 km SE of Katsuura, Japan on 12 Aug 1923, 06:10 UTC at a depth of 15 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 Katsuura, about 282 km away in Chiba, Japan.
Timeline
First reported by USGS
16 Oct 2026, 20:46 UTC
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