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Earthquake · Reviewed by USGS

M4.0 earthquake 178 km NW of Mikuni, Japan

A magnitude 4.0 earthquake struck 178 km NW of Mikuni, Japan at Aug 26, 2025, 22:20 UTC, at a depth of 365 km. The epicentre was 177 km (110 mi) WNW of Oshima.

Details

Magnitude4.0 mb
TimeAug 26, 2025, 22:20 UTC
Depth365.4 km
Coordinates37.443, 134.853
Felt reports0
Tsunami flagNone
SourceUSGS event page
Fig. 1The epicentre and other earthquakes within 100 km, since the day before

02 — Around it

Other earthquakes within 100 km

Other earthquakes within 100 km since the day before this event
MagnitudeLocationDistanceDepthTime
4.0215 km WNW of Anamizu, Japan49 km / 31 midepth 412 km
4.0146 km NW of Mikuni, Japan37 km / 23 midepth 379 km
4.195 km NW of Mikuni, Japan83 km / 52 midepth 359 km

USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.