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Earthquake · Reviewed by USGS

M4.4 earthquake 98 km ESE of Tomioka, Japan

A magnitude 4.4 earthquake struck 98 km ESE of Tomioka, Japan at Aug 23, 2026, 00:32 UTC, at a depth of 10 km. The epicentre was 100 km (62 mi) E of Iwaki.

Details

Magnitude4.4 mb
TimeAug 23, 2026, 00:32 UTC
Depth10.0 km
Coordinates36.926, 141.995
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
4.4100 km ESE of Takahagi, Japan60 km / 37 midepth 36 km
4.6124 km ESE of Iwaki, Japan28 km / 17 midepth 46 km
4.525 km ESE of Iwaki, Japan74 km / 46 midepth 60 km
4.392 km ESE of Tomioka, Japan8 km / 5 midepth 38 km
4.591 km E of Namie, Japan67 km / 42 midepth 35 km
4.654 km E of Namie, Japan76 km / 47 midepth 55 km
4.5104 km E of Tomioka, Japan42 km / 26 midepth 35 km
4.495 km SE of Onagawa Chō, Japan97 km / 60 midepth 35 km
4.39 km NE of Tomioka, Japan95 km / 59 midepth 83 km
4.648 km ESE of Iwaki, Japan53 km / 33 midepth 49 km
4.465 km E of Tomioka, Japan52 km / 33 midepth 45 km

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