M6.0 earthquake near Kamaishi, Iwate
17829 d ago · 23 Dec 1977, 21:14 UTC 104 km ESE of ?tsuchi, Japan
What happened
A magnitude 6 earthquake struck 104 km ESE of ?tsuchi, Japan on 23 Dec 1977, 21:14 UTC at a depth of 41 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 Kamaishi, about 105 km away in Iwate, Japan.
Timeline
First reported by USGS
16 Oct 2026, 20:46 UTC
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