This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 6.5 Mwp
Local datetime 2025/12/09 06:52
Universal datetime 2025/12/08 21:52
Latitude 41.10 ° ± 3 km
Longitude 143.00 ° ± 4 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  259 1.883027e+06
Sendai  356 1.037562e+06
Asahikawa  299 356612
Akita  291 320069
Aomori  195 298394
Morioka  221 295172
Hakodate  204 275730
Hachinohe  140 239046
Kushiro  237 183612
Hirosaki  221 174972
Tomakomai  210 174806
Obihiro  203 173890
Otaru  286 143792
Kitami  314 113137
Muroran  218 96197

Past seismicity

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

Event details

Parameters

Evaluation status
RMS 1.56
Azimuthal gap 50.78 °
Number of stations used 52
Number of phases used 52

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 21:53:01.42 1.48 7.31 0.92 Automatic
IU YSS P 21:54:11.70 2.65 358.4 5.86 Automatic
IU MAJO P 21:54:09.22 -0.36 220.87 5.89 Automatic
IU INCN P 21:55:52.12 2.55 259.35 13.16 Automatic
IU MA2 P 21:57:04.72 -0.4 12.08 19.1 Automatic
IU YAK P 21:57:37.32 -3.68 343.53 22.4 Automatic
IU TATO P 21:57:57.17 -0.48 234.58 24.06 Automatic
IU ULN P 21:58:18.27 0.05 297.12 26.26 Automatic
II TLY P 21:58:41.4 0.87 305.07 28.71 Automatic
IU BILL P 21:58:47.14 -2.06 17.43 29.77 Automatic
IU TIXI P 21:59:00.42 -2.6 351.49 31.33 Automatic
IU DAV P 21:59:55.42 1.14 209.29 37.4 Automatic
II KDAK P 22:00:43.44 -0.23 44.69 43.14 Automatic
IU MAKZ P 22:00:43.32 -0.77 298.96 43.18 Automatic
IU CHTO P 22:00:45.52 -0.93 252.76 43.56 Automatic
II KURK P 22:00:52.47 -0.96 305.23 44.34 Automatic
II AAK P 22:01:34.42 -0.01 295.96 49.58 Automatic
IU PMG P 22:01:42.4 2.37 174.69 50.65 Automatic
II KAPI P 22:01:40.32 -0.83 210.5 50.79 Automatic
II ALE P 22:02:19.32 -0.72 3.88 55.74 Automatic
IU POHA P 22:02:24.7 3.46 92.83 55.88 Automatic
IU KBS P 22:02:27.24 0.77 350 56.63 Automatic
II LVZ P 22:02:43.12 2.14 335.29 58.68 Automatic
IU KEV P 22:02:49.17 0.18 338.92 59.83 Automatic
IU CTAO P 22:02:55.39 -0.01 176.51 61.27 Automatic
II WRAB P 22:02:53.92 -3.53 189.24 61.56 Automatic
II PALK P 22:03:18.79 -0.45 256.69 64.49 Automatic
II OBN P 22:03:24.82 -1.09 322.87 65.33 Automatic
IU MBWA P 22:03:24.67 -1.64 203.8 65.9 Automatic
II MSVF P 22:03:35.57 0.43 143.61 67.22 Automatic
II KIV P 22:03:49.2 0.11 310.63 68.95 Automatic
IU GNI P 22:03:56.32 0.61 306.42 70.05 Automatic
IU SFJD P 22:04:03.2 -0.99 5.57 71.4 Automatic
IU KIEV P 22:04:03.52 -1.45 322.34 71.56 Automatic
II UOSS P 22:04:03.52 -1.4 287.44 71.61 Automatic
IU KONO P 22:04:11.57 2.73 337.32 72.2 Automatic
II PFO P 22:04:28.52 0.03 57.71 75.58 Automatic
IU RSSD P 22:04:27.94 -1.5 43 75.72 Automatic
IU ANTO P 22:04:37.79 0.03 312.38 77.19 Automatic
II ESK P 22:04:50.42 0.44 341.21 79.38 Automatic
IU TUC P 22:04:53.17 0.01 55.49 80.01 Automatic
II DGAR P 22:04:55.17 0.6 251.42 80.56 Automatic
IU ANMO P 22:04:57.22 -0.27 51.04 80.8 Automatic
II BFO P 22:05:03.17 -0.88 331.48 82.01 Automatic
IU CCM P 22:05:25.72 -1.7 39.8 86.64 Automatic
IU WCI P 22:05:37.57 -0.2 36.56 88.81 Automatic
IU WVT P 22:05:41.77 -0.7 38.77 89.82 Automatic
IU HRV P 22:05:49.9 2.13 24.72 90.76 Automatic
IU PAB P 22:06:03.69 1.52 335.35 94.05 Automatic
IU FURI P 22:06:08.22 3.7 286.15 94.73 Automatic
IU KMBO P 22:06:38.79 -0.02 279.65 102.56 Automatic
GE KIBK P 22:06:39.67 -0.14 278.17 102.79 Automatic