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Earthquake · Reviewed by USGS

M4.5 earthquake 59 km SE of Koseda, Japan

A magnitude 4.5 earthquake struck 59 km SE of Koseda, Japan at Aug 4, 2026, 20:01 UTC, at a depth of 10 km. The epicentre was 75 km (47 mi) S of Nishinoomote.

Details

Magnitude4.5 mb
TimeAug 4, 2026, 20:01 UTC
Depth10.0 km
Coordinates30.067, 131.146
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
4.555 km SE of Koseda, Japan5 km / 3 midepth 38 km
4.855 km ESE of Koshima, Japan16 km / 10 midepth 35 km
4.997 km SE of Koshima, Japan48 km / 30 midepth 10 km
4.151 km ESE of Koseda, Japan22 km / 13 midepth 41 km
4.862 km ESE of Koseda, Japan6 km / 4 midepth 28 km
4.5103 km S of Koshima, Japan98 km / 61 midepth 35 km

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