4.7
EarthquakeModerate
M4.7 earthquake near Anan, Tokushima
1905 d ago · 31 Jul 2021, 04:09 UTC 8 km SW of Anan, Japan
What happened
A magnitude 4.7 earthquake struck 8 km SW of Anan, Japan on 31 Jul 2021, 04:09 UTC at a depth of 41 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 Anan, about 8 km away in Tokushima, Japan.
Timeline
First reported by USGS
17 Oct 2026, 10:19 UTC
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