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Earthquake · Reviewed by USGS

M4.2 earthquake 32 km SSE of Isen, Japan

A magnitude 4.2 earthquake struck 32 km SSE of Isen, Japan at Dec 21, 2025, 06:51 UTC, at a depth of 38 km. The epicentre was 114 km (71 mi) SSW of Naze.

Details

Magnitude4.2 mb
TimeDec 21, 2025, 06:51 UTC
Depth38.4 km
Coordinates27.410, 129.074
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
4.542 km ENE of Kunigami, Japan80 km / 50 midepth 31 km
4.465 km ESE of Isen, Japan42 km / 26 midepth 10 km
4.452 km NW of Amagi, Japan99 km / 62 midepth 84 km
4.313 km SSE of Wadomari, Japan40 km / 25 midepth 68 km
4.3122 km ESE of Isen, Japan96 km / 60 midepth 10 km
4.417 km NNW of China, Japan60 km / 37 midepth 35 km
5.911 km NNE of Wadomari, Japan37 km / 23 midepth 42 km
4.766 km ESE of Isen, Japan47 km / 29 midepth 10 km
4.595 km SE of Wadomari, Japan68 km / 42 midepth 10 km
4.522 km WSW of Isen, Japan41 km / 25 midepth 39 km
4.420 km NNW of Wadomari, Japan51 km / 32 midepth 42 km
5.519 km NNE of Wadomari, Japan38 km / 24 midepth 11 km

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