M6.1 earthquake near Choshi, Chiba
22093 d ago · 21 Apr 1966, 15:45 UTC 113 km ESE of Hasaki, Japan
What happened
A magnitude 6.1 earthquake struck 113 km ESE of Hasaki, Japan on 21 Apr 1966, 15:45 UTC at a depth of 16 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 114 km away in Chiba, Japan.
Timeline
First reported by USGS
16 Oct 2026, 20:46 UTC
Community
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