This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.4 mb
Local datetime 2025/10/25 01:40
Universal datetime 2025/10/24 16:40
Latitude 42.95 ° ± 4 km
Longitude 145.62 ° ± 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  349 1.883027e+06
Asahikawa  277 356612
Aomori  471 298394
Hakodate  422 275730
Hachinohe  434 239046
Kushiro  101 183612
Yuzhno Sakhalinsk  500 176484
Hirosaki  503 174972
Tomakomai  334 174806
Obihiro  200 173890
Otaru  379 143792
Kitami  171 113137
Muroran  386 96197
Korsakov  467 35091
Nevelsk  509 17000

Past seismicity

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

Event details

Parameters

Evaluation status
RMS 1.68
Azimuthal gap 119.7 °
Number of stations used 42
Number of phases used 42

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 16:40:43.67 2.57 243.45 2.04 Automatic
IU YSS P 16:41:16.5 1.43 334.21 4.48 Automatic
IU MAJO P 16:42:10.97 0.22 224.08 8.57 Automatic
IU PET P 16:43:19.72 4.33 36.19 13.28 Automatic
IU INCN P 16:43:48.52 3.38 255.66 15.46 Automatic
IU MA2 P 16:44:07.27 3.75 8.99 16.92 Automatic
IU YAK P 16:44:49.62 -3.65 339.21 21.27 Automatic
IU ULN P 16:45:50.62 -0.66 293.9 27.22 Automatic
IU BILL P 16:45:51.67 -1.06 16.77 27.43 Automatic
II TLY P 16:46:10.99 1.09 302.1 29.31 Automatic
II KDAK P 16:47:45.47 -0.59 46.39 40.46 Automatic
IU COLA P 16:48:00.44 0.06 35.43 42.2 Automatic
IU MAKZ P 16:48:14.37 -0.78 298.03 44.01 Automatic
II KURK P 16:48:20.77 -1.4 304.32 44.89 Automatic
IU CHTO P 16:48:29.89 -0.06 253.3 45.96 Automatic
II AAK P 16:49:05.22 -0.79 295.61 50.52 Automatic
II KAPI P 16:49:24.62 -0.27 212.78 53.38 Automatic
II ALE P 16:49:28.52 -1.5 4.35 53.75 Automatic
IU CTAO P 16:50:31.44 -0.28 179.33 63.05 Automatic
II WRAB P 16:50:35.14 -1.23 191.81 63.74 Automatic
II OBN P 16:50:46.59 -1.67 323.39 65.02 Automatic
II FFC P 16:50:58.67 -0.61 35.54 66.72 Automatic
II PALK P 16:50:58.27 -0.24 257.82 66.79 Automatic
II KIV P 16:51:14.62 -0.25 311.36 69.2 Automatic
IU SFJD P 16:51:14.27 -1.59 6.71 69.35 Automatic
IU GNI P 16:51:23.57 0.73 307.22 70.5 Automatic
IU KONO P 16:51:27.52 0.18 338.25 71.22 Automatic
IU KIEV P 16:51:25.67 -1.89 323.19 71.26 Automatic
II BORG P 16:51:31.74 0.83 354.18 71.81 Automatic
II UOSS P 16:51:35.64 -1.3 288.44 72.89 Automatic
II PFO P 16:51:37.37 -0.16 59.63 72.95 Automatic
IU RSSD P 16:51:37.29 -0.89 44.72 73.04 Automatic
IU ANTO P 16:52:02.62 -0.43 313.53 77.36 Automatic
IU ANMO P 16:52:07.47 0.17 52.84 78.13 Automatic
II ESK P 16:52:07.39 -0.64 342.49 78.23 Automatic
II BFO P 16:52:23.32 -1.27 332.86 81.29 Automatic
IU CCM P 16:52:37.4 -1.42 41.53 83.97 Automatic
IU WCI P 16:52:51.42 2 38.29 86.16 Automatic
IU WVT P 16:52:53.34 -0.88 40.51 87.15 Automatic
IU SSPA P 16:52:55.72 -0.99 31.52 87.65 Automatic
IU HRV P 16:53:03.67 4.11 26.47 88.25 Automatic
IU KMBO P 16:54:11.79 1.64 281.92 104.12 Automatic