This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 6.3 Mwp
Local datetime 2025/12/12 11:44
Universal datetime 2025/12/12 02:44
Latitude 41.00 ° ± 3 km
Longitude 142.75 ° ± 3 km
Depth 10 km (from location) ± 0.0 km

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See the seismogram of this event.

Near cities

This table shows only the most populated cities around the epicenter.
Name Distance (km) Population
Sapporo  258 1.883027e+06
Sendai  336 1.037562e+06
Asahikawa  307 356612
Akita  268 320069
Aomori  173 298394
Morioka  198 295172
Hakodate  190 275730
Hachinohe  116 239046
Kushiro  257 183612
Hirosaki  198 174972
Tomakomai  208 174806
Obihiro  217 173890
Otaru  284 143792
Kitami  330 113137
Muroran  210 96197

Past seismicity

  This map shows only the 2 most significant earthquakes around this event.

Event details

Parameters

Evaluation status
RMS 1.42
Azimuthal gap 35.03 °
Number of stations used 62
Number of phases used 62

Webservices

The data of this event are available in various formats (QuakeML, GeoJSON and text) through the following links :

QuakeML GeoJSON Text

Phases

Network Station Phase Time Residual (s) Azimuth (°) Distance (°) Mode
II ERM P 02:44:33.62 0.83 16.59 1.06 Automatic
IU MAJO P 02:45:38.37 0.94 219.94 5.69 Automatic
IU YSS P 02:45:43.10 2.15 0.06 5.95 Automatic
IU INCN P 02:47:20.42 3.06 259.46 12.96 Automatic
IU MA2 P 02:48:35.92 -1.26 12.38 19.23 Automatic
IU YAK P 02:49:08.57 -3.44 343.87 22.45 Automatic
IU TATO P 02:49:24.79 -1.42 234.35 23.85 Automatic
IU ULN P 02:49:47.2 -0.66 297.31 26.14 Automatic
IU BILL P 02:50:19.69 -1.41 17.52 29.92 Automatic
IU MIDW P 02:51:05.12 0.5 98.74 34.86 Automatic
IU DAV P 02:51:25.49 2.17 208.97 37.22 Automatic
IU MAKZ P 02:52:13.79 0.08 298.99 43.07 Automatic
II KDAK P 02:52:14.64 -1.23 44.59 43.34 Automatic
IU CHTO P 02:52:14.74 -0.58 252.64 43.35 Automatic
II KURK P 02:52:22.34 -0.88 305.26 44.25 Automatic
IU COLA P 02:52:29.24 -0.04 34.18 45.02 Automatic
II AAK P 02:53:03.57 -0.46 295.94 49.45 Automatic
IU PMG P 02:53:08.42 -1.2 174.37 50.57 Automatic
II KAPI P 02:53:09.14 -1.2 210.24 50.6 Automatic
IU KIP P 02:53:31.79 0.03 92.63 53.21 Automatic
II ALE P 02:53:50.87 -0.54 3.83 55.85 Automatic
IU POHA P 02:53:52.7 -0.42 92.59 56.06 Automatic
IU KBS P 02:53:58.57 1.07 349.97 56.7 Automatic
II LVZ P 02:54:12.2 0.4 335.25 58.69 Automatic
IU FUNA P 02:54:19.47 2.54 137.17 59.8 Automatic
IU KEV P 02:54:20.2 0.29 338.88 59.86 Automatic
IU CTAO P 02:54:23.82 -1.56 176.24 61.18 Automatic
II WRAB P 02:54:23.89 -3.25 188.99 61.43 Automatic
II PALK P 02:54:47.77 -0.69 256.55 64.28 Automatic
IU COR P 02:54:55.4 1.17 51.66 64.94 Automatic
IU MBWA P 02:54:53.74 -2.05 203.58 65.74 Automatic
II MSVF P 02:55:06.34 0.44 143.36 67.26 Automatic
II COCO P 02:55:11.79 0.69 229.23 68 Automatic
II KIV P 02:55:18.92 -0.07 310.55 68.87 Automatic
IU AFI P 02:55:19.27 1.07 132.23 69.15 Automatic
IU GNI P 02:55:26.52 0.81 306.32 69.96 Automatic
II UOSS P 02:55:33.47 -1.11 287.33 71.46 Automatic
IU SFJD P 02:55:35.17 -0.11 5.47 71.52 Automatic
IU KIEV P 02:55:33.92 -1.39 322.25 71.52 Automatic
IU KONO P 02:55:39.57 0.05 337.22 72.22 Automatic
II BORG P 02:55:51.74 4.54 352.99 73.51 Automatic
II PFO P 02:55:59.29 -0.96 57.56 75.79 Automatic
IU RSSD P 02:56:00.24 -0.91 42.86 75.92 Automatic
IU ANTO P 02:56:07.62 -0.3 312.26 77.12 Automatic
IU NWAO P 02:56:07.57 0.63 201.73 77.58 Automatic
II ESK P 02:56:20.99 0.27 341.09 79.42 Automatic
IU TUC P 02:56:24.39 -0.46 55.33 80.22 Automatic
II DGAR P 02:56:23.42 -0.59 251.26 80.35 Automatic
IU ANMO P 02:56:28.89 -0.27 50.88 81.01 Automatic
IU RAR P 02:56:33.57 2.14 127.44 81.9 Automatic
II BFO P 02:56:33.72 -0.88 331.35 82.01 Automatic
II TAU P 02:56:40.87 -0.13 176.64 84.02 Automatic
IU CCM P 02:56:57.67 -1.27 39.64 86.84 Automatic
IU WCI P 02:57:08.89 -0.34 36.4 89 Automatic
IU WVT P 02:57:13.32 -0.63 38.61 90.01 Automatic
IU SSPA P 02:57:15.69 -0.21 29.62 90.42 Automatic
IU HKT P 02:57:18.7 0.78 47.69 90.75 Automatic
IU HRV P 02:57:20.57 2.26 24.56 90.93 Automatic
IU PAB P 02:57:32.84 0.06 335.17 94.06 Automatic
IU FURI P 02:57:37.62 3.24 285.97 94.58 Automatic
IU KMBO P 02:58:08.69 0.06 279.45 102.39 Automatic
GE KIBK P 02:58:09.22 -0.39 277.97 102.62 Automatic