M4.4 earthquake near Iwai, Ibaraki
1816 d ago · 28 Oct 2021, 00:55 UTC 1 km WSW of Iwai, Japan
What happened
A magnitude 4.4 earthquake struck 1 km WSW of Iwai, Japan on 28 Oct 2021, 00:55 UTC at a depth of 50 km.
Earthquakes of this size are classed as Light. Widely felt nearby; objects may shake or fall. Significant damage is unusual. This was a shallow earthquake, which tends to be felt more strongly at the surface.
The nearest town in our records is Iwai, about 2 km away in Ibaraki, Japan.
Timeline
First reported by USGS
17 Oct 2026, 10:25 UTC
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