M6.5 earthquake near Kumagaya, Saitama
34724 d ago · 21 Sept 1931, 02:20 UTC 1 km WNW of Kumagaya, Japan
What happened
A magnitude 6.5 earthquake struck 1 km WNW of Kumagaya, Japan on 21 Sept 1931, 02:20 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 Kumagaya, about 1 km away in Saitama, Japan.
Timeline
First reported by USGS
16 Oct 2026, 20:46 UTC
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