This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.1 mb
Local datetime 2025/12/12 03:11
Universal datetime 2025/12/11 18:11
Latitude 41.54 ° ± 6 km
Longitude 142.24 ° ± 6 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  186 1.883027e+06
Asahikawa  246 356612
Akita  273 320069
Aomori  151 298394
Morioka  223 295172
Hakodate  128 275730
Hachinohe  129 239046
Kushiro  237 183612
Hirosaki  184 174972
Tomakomai  136 174806
Obihiro  172 173890
Otaru  211 143792
Kitami  290 113137
Sakata  355 100446
Muroran  138 96197

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 2.09
Azimuthal gap 158.5 °
Number of stations used 12
Number of phases used 12

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 18:11:20.77 -1.36 54.93 0.83 Automatic
IU YSS P 18:12:30.80 3.92 3.72 5.43 Automatic
IU MAJO P 18:12:34.69 1.32 213.42 5.9 Automatic
IU YAK P 18:15:55.2 -3.5 344.07 21.82 Automatic
IU ULN P 18:16:36.2 0.47 296.34 25.56 Automatic
IU MAKZ P 18:19:02.9 0.04 298.34 42.48 Automatic
IU CHTO P 18:19:04.94 -1.92 251.64 43.16 Automatic
II KURK P 18:19:10.27 -1.12 304.7 43.63 Automatic
IU COLA P 18:19:22.37 1.74 34.47 44.79 Automatic
II AAK P 18:19:55.52 2.75 295.33 48.88 Automatic
II KIV P 18:22:08.17 0.02 310.15 68.23 Automatic
IU KIEV P 18:22:22.12 -2.36 321.9 70.86 Automatic