M5.1 earthquake near Isumi, Chiba
299 d ago · 21 Dec 2025, 06:58 UTC 140 km SE of Hasaki, Japan
What happened
A magnitude 5.1 earthquake struck 140 km SE of Hasaki, Japan on 21 Dec 2025, 06:58 UTC at a depth of 10 km.
Earthquakes of this size are classed as Moderate. Can damage poorly built structures close to the epicentre. This was a shallow earthquake, which tends to be felt more strongly at the surface.
The nearest town in our records is Isumi, about 140 km away in Chiba, Japan.
Timeline
First reported by USGS
16 Oct 2026, 20:47 UTC
Community
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