This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.3 mb
Local datetime 2025/07/18 03:44
Universal datetime 2025/07/17 18:44
Latitude 41.23 ° ± 8 km
Longitude 143.10 ° ± 17 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  251 1.883027e+06
Sendai  372 1.037562e+06
Asahikawa  286 356612
Akita  306 320069
Aomori  206 298394
Morioka  237 295172
Hakodate  206 275730
Hachinohe  154 239046
Kushiro  221 183612
Hirosaki  233 174972
Tomakomai  203 174806
Obihiro  189 173890
Otaru  279 143792
Kitami  298 113137
Muroran  215 96197

Past seismicity

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

Event details

Parameters

Evaluation status
RMS 1.93
Azimuthal gap 216.75 °
Number of stations used 13
Number of phases used 13

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 18:44:20.32 -1.5 3.34 0.78 Automatic
IU YSS P 18:45:35.40 3.86 357.71 5.73 Automatic
IU MAJO P 18:45:35.72 -0.09 220.65 6.04 Automatic
IU YAK P 18:49:00.62 -3.5 343.34 22.3 Automatic
IU ULN P 18:49:42.97 0.47 296.89 26.27 Automatic
IU MAKZ P 18:52:07.44 -0.88 298.87 43.18 Automatic
IU CHTO P 18:52:10.77 -0.77 252.72 43.67 Automatic
II KURK P 18:52:16.49 -1.04 305.15 44.33 Automatic
II AAK P 18:53:02.47 3.75 295.89 49.59 Automatic
II ALE P 18:53:43.77 0.46 3.9 55.61 Automatic
II KIV P 18:55:13.62 0.66 310.64 68.92 Automatic
IU KIEV P 18:55:27.72 -1.13 322.36 71.5 Automatic
II RAYN P 18:56:17.39 -0.29 292.69 80.1 Automatic