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Earthquake · Reviewed by USGS

M4.8 earthquake 64 km S of Hamamatsu, Japan

A magnitude 4.8 earthquake struck 64 km S of Hamamatsu, Japan at Aug 17, 2025, 23:33 UTC, at a depth of 10 km. The epicentre was 65 km (40 mi) S of Hamamatsu. 3 people reported feeling it to USGS.

Details

Magnitude4.8 mb
TimeAug 17, 2025, 23:33 UTC
Depth10.0 km
Coordinates34.118, 137.771
Felt reports3
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
4.758 km SE of Shima, Japan44 km / 27 midepth 358 km
4.189 km SSE of Shima, Japan81 km / 50 midepth 363 km
4.249 km SE of Shima, Japan48 km / 30 midepth 330 km
4.0112 km SSW of Ōyama, Japan52 km / 32 midepth 323 km
3.8117 km SSE of Shima, Japan79 km / 49 midepth 328 km
4.2119 km SSE of Ōyama, Japan96 km / 60 midepth 10 km
4.0132 km S of Ōyama, Japan88 km / 55 midepth 288 km
4.139 km ESE of Shima, Japan51 km / 32 midepth 334 km

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