This event was automatically detected and need to be confirmed by one of our analysts.
| Type | Event |
| Magnitude | 5.2 mb |
| Local datetime | 2025/12/09 00:57 |
| Universal datetime | 2025/12/08 15:57 |
| Latitude | 40.92 ° ± 5 km |
| Longitude | 143.07 ° ± 10 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 
|
280 | 1.883027e+06 |
| Sendai
|
341 | 1.037562e+06 |
| Asahikawa
|
320 | 356612 |
| Akita
|
286 | 320069 |
| Aomori
|
199 | 298394 |
| Morioka
|
212 | 295172 |
| Hakodate
|
218 | 275730 |
| Hachinohe
|
137 | 239046 |
| Kushiro
|
253 | 183612 |
| Hirosaki
|
223 | 174972 |
| Tomakomai
|
230 | 174806 |
| Obihiro
|
224 | 173890 |
| Otaru
|
306 | 143792 |
| Kitami
|
333 | 113137 |
| Muroran
|
236 | 96197 |
Past seismicity
This map shows only the 2 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | |
|---|---|
| RMS | 1.8 |
| Azimuthal gap | 172.05 ° |
| 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 :
Phases
| Network | Station | Phase | Time | Residual (s) | Azimuth (°) | Distance (°) | Mode |
|---|---|---|---|---|---|---|---|
| II | ERM | P | 15:58:15.47 | 1.44 | 3.4 | 1.1 | Automatic |
| IU | MAJO | P | 15:59:20.34 | 1.08 | 222.52 | 5.79 | Automatic |
| IU | YSS | P | 15:59:26.85 | 4.08 | 358 | 6.05 | Automatic |
| IU | YAK | P | 16:02:50.37 | -3.82 | 343.58 | 22.6 | Automatic |
| IU | ULN | P | 16:03:30.47 | -0.07 | 297.46 | 26.4 | Automatic |
| II | TLY | P | 16:03:54.77 | 2.13 | 305.34 | 28.86 | Automatic |
| IU | BILL | P | 16:04:00.87 | -0.9 | 17.29 | 29.93 | Automatic |
| IU | TIXI | P | 16:04:14.54 | -1.3 | 351.5 | 31.53 | Automatic |
| IU | CHTO | P | 16:05:56.92 | -0.62 | 253.01 | 43.56 | Automatic |
| II | KURK | P | 16:06:04.57 | -1.2 | 305.4 | 44.5 | Automatic |
| II | KAPI | P | 16:06:53.44 | 2.19 | 210.66 | 50.65 | Automatic |
| II | WRAB | P | 16:08:06.49 | -0.88 | 189.33 | 61.39 | Automatic |
| II | OBN | P | 16:08:37.74 | -0.46 | 322.95 | 65.51 | Automatic |
| II | KIV | P | 16:09:01.57 | 0.53 | 310.72 | 69.11 | Automatic |
| II | UOSS | P | 16:09:15.54 | -1.14 | 287.54 | 71.72 | Automatic |
| IU | KIEV | P | 16:09:16.12 | -1.06 | 322.41 | 71.74 | Automatic |