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Earthquake · Reviewed by USGS

M4.9 earthquake 97 km SE of Koshima, Japan

A magnitude 4.9 earthquake struck 97 km SE of Koshima, Japan at Aug 22, 2026, 14:56 UTC, at a depth of 10 km. The epicentre was 123 km (77 mi) SSE of Nishinoomote.

Details

Magnitude4.9 mb
TimeAug 22, 2026, 14:56 UTC
Depth10.0 km
Coordinates29.654, 131.293
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
4.8109 km S of Koshima, Japan76 km / 47 midepth 30 km
4.555 km SE of Koseda, Japan50 km / 31 midepth 38 km
4.3107 km S of Yudomari, Japan89 km / 55 midepth 13 km
5.199 km S of Yudomari, Japan95 km / 59 midepth 35 km
4.855 km ESE of Koshima, Japan43 km / 27 midepth 35 km

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