This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.8 Mwp
Local datetime 2025/05/31 17:37
Universal datetime 2025/05/31 08:37
Latitude 42.42 ° ± 3 km
Longitude 144.43 ° ± 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  264 1.883027e+06
Asahikawa  223 356612
Akita  473 320069
Aomori  358 298394
Morioka  409 295172
Hakodate  313 275730
Hachinohe  322 239046
Kushiro  61 183612
Hirosaki  390 174972
Tomakomai  238 174806
Obihiro  118 173890
Otaru  295 143792
Kitami  164 113137
Muroran  285 96197
Korsakov  487 35091

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 1.55
Azimuthal gap 75.84 °
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 08:37:37.2 0.44 247.02 1.03 Automatic
IU YSS P 08:38:29.70 2 345.88 4.69 Automatic
IU MAJO P 08:39:06.9 -1.52 221.31 7.59 Automatic
IU INCN P 08:40:42.47 0.07 255.99 14.49 Automatic
IU MA2 P 08:41:22.87 0.63 10.66 17.59 Automatic
IU YAK P 08:42:02.62 -3.13 340.96 21.47 Automatic
IU TATO P 08:42:48.82 1.57 234.55 25.7 Automatic
IU ULN P 08:42:57.2 0.6 294.75 26.65 Automatic
IU BILL P 08:43:06.49 -3.37 17.25 28.19 Automatic
II TLY P 08:43:17.24 1.02 302.94 28.86 Automatic
IU TIXI P 08:43:24.44 -3.27 350.32 30.2 Automatic
IU MIDW P 08:44:01.87 1.63 102.24 33.89 Automatic
II KDAK P 08:45:03.89 -0.7 45.85 41.45 Automatic
IU COLA P 08:45:18.37 0.05 35.07 43.14 Automatic
IU MAKZ P 08:45:20.59 -0.7 298.15 43.49 Automatic
II KURK P 08:45:28.24 -0.9 304.46 44.47 Automatic
IU CHTO P 08:45:32.14 -0.32 252.75 44.98 Automatic
II AAK P 08:46:11.82 -0.29 295.51 49.97 Automatic
II KAPI P 08:46:28.64 0.19 211.64 52.47 Automatic
II ALE P 08:46:43.77 -0.9 4.15 54.35 Automatic
IU POHA P 08:46:51.39 3.21 94.74 54.9 Automatic
IU KBS P 08:46:54.59 1.4 350.1 55.52 Automatic
II LVZ P 08:47:10.12 -0.31 335.3 57.92 Automatic
IU KEV P 08:47:17.22 -0.62 339 58.98 Automatic
IU CTAO P 08:47:37.27 -1.38 178.07 62.54 Automatic
II WRAB P 08:47:39.14 -2.97 190.63 63.05 Automatic
IU COR P 08:47:47.22 1.48 52.96 63.08 Automatic
II OBN P 08:47:58.19 0.23 323.06 64.92 Automatic
II PALK P 08:48:03.42 0.78 257.16 65.83 Automatic
IU MBWA P 08:48:09.57 -1.95 204.94 67.55 Automatic
II FFC P 08:48:14.74 -0.8 34.9 67.66 Automatic
IU SFJD P 08:48:28.87 -1.17 6.2 69.98 Automatic
IU GNI P 08:48:34.27 3.41 306.76 70.13 Automatic
IU KIEV P 08:48:35.77 -1.5 322.74 71.16 Automatic
IU KONO P 08:48:39.34 0.68 337.78 71.39 Automatic
II UOSS P 08:48:42.27 -1.06 287.88 72.23 Automatic
II BORG P 08:48:46.17 2.32 353.67 72.25 Automatic
II PFO P 08:48:53.39 -0.47 58.82 73.97 Automatic
IU ANTO P 08:49:12.77 0.92 312.95 77.09 Automatic
IU TUC P 08:49:18.77 -0.19 56.54 78.38 Automatic
II ESK P 08:49:21.47 1.8 341.89 78.47 Automatic
IU ANMO P 08:49:23.22 0.01 52.06 79.14 Automatic
II BFO P 08:49:34.37 -0.91 332.21 81.35 Automatic
IU CCM P 08:49:52.49 -1.21 40.76 84.94 Automatic
IU WCI P 08:50:03.57 -0.82 37.51 87.11 Automatic
IU WVT P 08:50:08.34 -0.82 39.72 88.12 Automatic
IU SSPA P 08:50:10.97 -0.35 30.74 88.56 Automatic
IU HKT P 08:50:14.39 1.79 48.81 88.87 Automatic
IU HRV P 08:50:14.49 0.55 25.68 89.11 Automatic
IU PAB P 08:50:33.42 0.08 336.4 93.28 Automatic
IU KMBO P 08:51:19.14 1.99 280.95 103.37 Automatic
GE KIBK P 08:51:21.7 2.76 279.47 103.64 Automatic