This event was automatically detected and need to be confirmed by one of our analysts.
| Type | Event |
| Magnitude | 5.2 mb |
| Local datetime | 2025/02/21 22:01 |
| Universal datetime | 2025/02/21 13:01 |
| Latitude | 37.49 ° ± 5 km |
| Longitude | 141.37 ° ± 6 km |
| Depth | 10 km (from location) ± 0.0 km |
Have you felt an earthquake ?
You can participate to science by bringing your testimony.
Testify !Near cities
This table shows only the most populated cities around the epicenter.
| Name | Distance (km) | Population |
|---|---|---|
Tokyo 
|
247 | 8.336599e+06 |
| Sendai
|
94 | 1.037562e+06 |
| Niigata
|
211 | 505272 |
| Utsunomiya
|
170 | 449865 |
| Iwaki
|
64 | 357309 |
| Kōriyama
|
88 | 340560 |
| Kawagoe
|
242 | 337931 |
| Morioka
|
249 | 295172 |
| Fukushima
|
85 | 294237 |
| Maebashi
|
238 | 282711 |
| Yamagata
|
127 | 254538 |
| Mito
|
147 | 246538 |
| Nagaoka
|
222 | 195318 |
| Sakata
|
208 | 100446 |
| Tsuruoka
|
191 | 99820 |
Past seismicity
This map shows the most significant earthquake around this event.
Event details
Parameters
| Evaluation status | |
|---|---|
| RMS | 1.46 |
| Azimuthal gap | 138.05 ° |
| Number of stations used | 23 |
| Number of phases used | 23 |
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 |
|---|---|---|---|---|---|---|---|
| IU | MAJO | P | 13:02:29.9 | 3.78 | 250.55 | 2.7 | Automatic |
| II | ERM | P | 13:02:56.87 | 3.81 | 16.28 | 4.73 | Automatic |
| IU | YSS | P | 13:04:01.0 | 2.17 | 5.73 | 9.53 | Automatic |
| IU | MA2 | P | 13:06:45.57 | -0.02 | 12.27 | 22.9 | Automatic |
| IU | YAK | P | 13:07:09.57 | -1.49 | 347.29 | 25.59 | Automatic |
| IU | ULN | P | 13:07:23.82 | -0.54 | 303.59 | 27.01 | Automatic |
| II | TLY | P | 13:07:50.49 | 0.05 | 310.5 | 29.93 | Automatic |
| IU | TIXI | P | 13:08:30.79 | -1.47 | 353.12 | 34.75 | Automatic |
| IU | CHTO | P | 13:09:27.99 | -0.06 | 255.15 | 41.35 | Automatic |
| IU | MAKZ | P | 13:09:49.14 | -0.42 | 301.88 | 43.93 | Automatic |
| II | KURK | P | 13:10:00.97 | -1.02 | 307.87 | 45.49 | Automatic |
| II | KAPI | P | 13:10:13.17 | 1.32 | 210.11 | 47.03 | Automatic |
| II | WRAB | P | 13:11:30.44 | -0.57 | 187.8 | 57.8 | Automatic |
| II | ALE | P | 13:11:44.87 | -0.64 | 3.5 | 59.43 | Automatic |
| IU | KEV | P | 13:12:08.12 | -0.18 | 339.24 | 62.76 | Automatic |
| II | KIV | P | 13:12:57.27 | 0.18 | 310.92 | 70.36 | Automatic |
| II | UOSS | P | 13:13:02.89 | -0.9 | 287.69 | 71.5 | Automatic |
| II | FFC | P | 13:13:12.57 | -0.85 | 32.65 | 73.06 | Automatic |
| IU | KIEV | P | 13:13:15.27 | -1.63 | 322.31 | 73.65 | Automatic |
| IU | RSSD | P | 13:13:48.49 | -0.13 | 41.64 | 79.24 | Automatic |
| II | RAYN | P | 13:13:52.84 | -1.24 | 292.28 | 80.3 | Automatic |
| IU | ANMO | P | 13:14:14.77 | 0.7 | 49.74 | 84.08 | Automatic |
| II | BFO | P | 13:14:15.82 | -0.87 | 330.79 | 84.57 | Automatic |