This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.2 mb
Local datetime 2025/08/02 07:27
Universal datetime 2025/08/01 22:27
Latitude 42.39 ° ± 5 km
Longitude 145.36 ° ± 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  338 1.883027e+06
Asahikawa  286 356612
Akita  534 320069
Aomori  425 298394
Morioka  463 295172
Hakodate  388 275730
Hachinohe  382 239046
Kushiro  104 183612
Hirosaki  456 174972
Tomakomai  315 174806
Obihiro  190 173890
Otaru  370 143792
Kitami  201 113137
Muroran  361 96197
Korsakov  515 35091

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 1.34
Azimuthal gap 132.27 °
Number of stations used 33
Number of phases used 33

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 22:28:06.77 0.95 257.84 1.68 Automatic
IU YSS P 22:28:52.60 1.94 338.85 4.93 Automatic
IU MAJO P 22:29:31.99 -1.42 225.74 8.04 Automatic
IU MA2 P 22:31:40.27 -0.55 9.13 17.51 Automatic
IU YAK P 22:32:23.92 -4.29 339.98 21.73 Automatic
IU ULN P 22:33:21.77 -0.02 294.87 27.29 Automatic
II TLY P 22:33:43.77 2.63 302.95 29.45 Automatic
IU TIXI P 22:33:49.84 1.15 349.8 30.35 Automatic
II KDAK P 22:35:19.22 -1.13 45.9 40.98 Automatic
IU COLA P 22:35:34.79 -0.17 35.07 42.77 Automatic
IU MAKZ P 22:35:44.62 -1.31 298.47 44.11 Automatic
II KURK P 22:35:51.84 -1.6 304.72 45.05 Automatic
IU CHTO P 22:35:58.12 0.88 253.61 45.62 Automatic
II AAK P 22:36:37.12 0.57 295.92 50.6 Automatic
II ALE P 22:37:03.77 -0.41 4.28 54.33 Automatic
II LVZ P 22:37:32.87 0.59 335.55 58.24 Automatic
IU KEV P 22:37:39.87 0.48 339.25 59.26 Automatic
II WRAB P 22:38:02.24 -0.16 191.6 63.15 Automatic
II OBN P 22:38:19.54 -0.9 323.44 65.36 Automatic
II KIV P 22:38:46.22 -0.05 311.4 69.44 Automatic
IU SFJD P 22:38:52.37 2.97 6.58 69.94 Automatic
IU KIEV P 22:38:57.62 -1.95 323.19 71.6 Automatic
II UOSS P 22:39:07.79 0.89 288.45 72.89 Automatic
II PFO P 22:39:11.44 1.32 59.34 73.4 Automatic
IU RSSD P 22:39:10.77 -0.51 44.47 73.57 Automatic
IU ANTO P 22:39:34.19 -0.22 313.48 77.61 Automatic
IU TUC P 22:39:36.39 0.9 57.08 77.82 Automatic
IU ANMO P 22:39:40.29 0.34 52.6 78.62 Automatic
II RAYN P 22:39:53.57 -0.07 293.92 81.19 Automatic
II BFO P 22:39:56.62 -0.12 332.75 81.7 Automatic
IU CCM P 22:40:10.37 -0.81 41.33 84.52 Automatic
IU WCI P 22:40:22.17 0.06 38.11 86.72 Automatic
IU WVT P 22:40:26.82 0 40.33 87.7 Automatic