6.6
EarthquakeMajor
M6.6 earthquake near Oga, Akita
31945 d ago · 1 May 1939, 16:05 UTC 18 km WNW of Tenn?, Japan
What happened
A magnitude 6.6 earthquake struck 18 km WNW of Tenn?, Japan on 1 May 1939, 16:05 UTC at a depth of 10 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 Oga, about 14 km away in Akita, Japan.
Timeline
First reported by USGS
16 Oct 2026, 20:46 UTC
Community
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