This event was automatically detected and need to be confirmed by one of our analysts.
| Type | Event |
| Magnitude | 5.1 mb |
| Local datetime | 2025/05/31 21:28 |
| Universal datetime | 2025/05/31 12:28 |
| Latitude | 42.37 ° ± 8 km |
| Longitude | 144.48 ° ± 12 km |
| Depth | 10 km (from location) ± 0.0 km |
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Testify !Near cities
This table shows only the most populated cities around the epicenter.
| Name | Distance (km) | Population |
|---|---|---|
Sapporo 
|
269 | 1.883027e+06 |
| Asahikawa
|
230 | 356612 |
| Akita
|
473 | 320069 |
| Aomori
|
358 | 298394 |
| Morioka
|
407 | 295172 |
| Hakodate
|
316 | 275730 |
| Hachinohe
|
321 | 239046 |
| Kushiro
|
68 | 183612 |
| Hirosaki
|
390 | 174972 |
| Tomakomai
|
243 | 174806 |
| Obihiro
|
124 | 173890 |
| Otaru
|
301 | 143792 |
| Kitami
|
171 | 113137 |
| Muroran
|
288 | 96197 |
Korsakov 
|
494 | 35091 |
Past seismicity
This map shows the most significant earthquake around this event.
Event details
Parameters
| Evaluation status | |
|---|---|
| RMS | 2.12 |
| Azimuthal gap | 204.62 ° |
| Number of stations used | 8 |
| Number of phases used | 8 |
Webservices
The data of this event are available in various formats (QuakeML, GeoJSON and text) through the following links :
Phases
| Network | Station | Phase | Time | Residual (s) | Azimuth (°) | Distance (°) | Mode |
|---|---|---|---|---|---|---|---|
| II | ERM | P | 12:29:20.37 | 0.99 | 250.53 | 1.04 | Automatic |
| IU | YSS | P | 12:30:14.0 | 2.87 | 345.66 | 4.75 | Automatic |
| IU | MAJO | P | 12:30:49.59 | -0.38 | 221.8 | 7.57 | Automatic |
| IU | YAK | P | 12:33:45.52 | -3.5 | 340.95 | 21.53 | Automatic |
| IU | ULN | P | 12:34:39.42 | -0.09 | 294.85 | 26.7 | Automatic |
| IU | BILL | P | 12:34:55.32 | 2.49 | 17.19 | 28.23 | Automatic |
| II | TLY | P | 12:34:59.79 | 0.45 | 303.02 | 28.92 | Automatic |
| IU | TIXI | P | 12:35:07.99 | -2.83 | 350.31 | 30.26 | Automatic |