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Earthquake · Reviewed by USGS

M4.8 earthquake 6 km WSW of Tsukuba, Japan

A magnitude 4.8 earthquake struck 6 km WSW of Tsukuba, Japan at Dec 12, 2025, 10:05 UTC, at a depth of 63 km. The epicentre was 7 km (4 mi) E of Shimo-tsuma. 60 people reported feeling it to USGS.

Details

Magnitude4.8 mww
TimeDec 12, 2025, 10:05 UTC
Depth62.9 km
Coordinates36.174, 140.040
Felt reports60
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
4.52 km N of Honchō, Japan50 km / 31 midepth 90 km
4.29 km W of Ōami, Japan73 km / 46 midepth 57 km
4.74 km SE of Narutō, Japan76 km / 47 midepth 67 km
4.33 km SSW of Funaishikawa, Japan54 km / 34 midepth 77 km
4.69 km NNE of Midori, Japan74 km / 46 midepth 96 km
4.93 km WSW of Shibayama, Japan64 km / 40 midepth 73 km
4.53 km ESE of Sugito, Japan31 km / 19 midepth 67 km
5.30 km NNE of Yōkaichiba, Japan70 km / 43 midepth 42 km
4.411 km S of Hasaki, Japan95 km / 59 midepth 35 km
4.95 km S of Sakai, Japan27 km / 16 midepth 69 km
4.42 km E of Omigawa, Japan66 km / 41 midepth 52 km
4.410 km S of Hasaki, Japan92 km / 57 midepth 52 km
4.48 km NNE of Ishige, Japan4 km / 3 midepth 67 km
3.918 km E of Ōarai, Japan69 km / 43 midepth 43 km
4.89 km E of Ishige, Japan8 km / 5 midepth 87 km
4.77 km ENE of Hasaki, Japan91 km / 56 midepth 35 km
4.26 km N of Ashikaga, Japan59 km / 37 midepth 78 km
5.83 km E of Fujishiro, Japan30 km / 19 midepth 61 km
4.318 km E of Funaishikawa, Japan73 km / 45 midepth 50 km
4.61 km WSW of Inzai, Japan40 km / 25 midepth 77 km
4.13 km N of Mobara, Japan83 km / 52 midepth 60 km
4.29 km WNW of Kitaibaraki, Japan90 km / 56 midepth 10 km
4.35 km WNW of Ōami, Japan74 km / 46 midepth 59 km
4.15 km WSW of Tsukuba, Japan1 km / 1 midepth 97 km
4.65 km SSE of Asahi, Japan80 km / 50 midepth 44 km

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