This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5 mb
Local datetime 2025/06/22 01:05
Universal datetime 2025/06/21 15:05
Latitude 42.85 ° ± 6 km
Longitude 146.45 ° ± 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  418 1.883027e+06
Asahikawa  345 356612
Aomori  527 298394
Hakodate  485 275730
Hachinohe  484 239046
Kushiro  170 183612
Yuzhno Sakhalinsk  543 176484
Hirosaki  558 174972
Tomakomai  402 174806
Obihiro  268 173890
Otaru  447 143792
Kitami  235 113137
Muroran  452 96197
Korsakov  512 35091
Nevelsk  559 17000

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 1.02
Azimuthal gap 139.37 °
Number of stations used 16
Number of phases used 16

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 15:06:06.97 1.89 252.11 2.57 Automatic
IU YSS P 15:06:38.30 1.7 328.83 4.87 Automatic
IU MAJO P 15:07:31.79 -0.73 227.87 8.94 Automatic
IU ULN P 15:11:12.72 -0.65 294.17 27.82 Automatic
IU COLA P 15:13:15.7 0.17 35.38 41.94 Automatic
IU MAKZ P 15:13:35.24 -1.32 298.4 44.6 Automatic
II KURK P 15:13:42.2 -1.33 304.63 45.45 Automatic
IU CHTO P 15:13:51.87 0.8 254.13 46.52 Automatic
II AAK P 15:14:26.87 -0.34 296.03 51.12 Automatic
II ALE P 15:14:46.97 -0.17 4.47 53.81 Automatic
II WRAB P 15:15:53.32 0.03 192.68 63.77 Automatic
II KIV P 15:16:35.47 0.63 311.81 69.73 Automatic
IU KIEV P 15:16:45.27 -1.71 323.62 71.71 Automatic
II UOSS P 15:16:57.22 -0.05 288.98 73.5 Automatic
IU ANMO P 15:17:22.84 1.19 53.31 77.71 Automatic
IU ANTO P 15:17:22.49 -0.13 314.02 77.87 Automatic