This event was automatically detected and need to be confirmed by one of our analysts.
| Type | Event |
| Magnitude | 5.1 mb |
| Local datetime | 2017/03/22 09:21 |
| Universal datetime | 2017/03/22 00:21 |
| Latitude | 37.43 ° ± 33 km |
| Longitude | 141.50 ° ± 36 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 |
|---|---|---|
Tokyo 
|
249 | 8.336599e+06 |
| Sendai
|
104 | 1.037562e+06 |
| Niigata
|
223 | 505272 |
| Utsunomiya
|
175 | 449865 |
| Iwaki
|
68 | 357309 |
| Kōriyama
|
99 | 340560 |
| Kawagoe
|
246 | 337931 |
| Morioka
|
256 | 295172 |
| Fukushima
|
97 | 294237 |
| Maebashi
|
245 | 282711 |
| Yamagata
|
139 | 254538 |
| Mito
|
149 | 246538 |
| Nagaoka
|
233 | 195318 |
| Sakata
|
219 | 100446 |
| Tsuruoka
|
203 | 99820 |
Past seismicity
This map shows the most significant earthquake around this event.
Event details
Parameters
| Evaluation status | |
|---|---|
| RMS | 1.8 |
| Azimuthal gap | 259.25 ° |
| 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 |
|---|---|---|---|---|---|---|---|
| IU | MAJO | P | 00:21:48.37 | -0.12 | 252.32 | 2.78 | Automatic |
| IU | YAK | P | 00:26:33.7 | -0.81 | 347.19 | 25.66 | Automatic |
| IU | ULN | P | 00:26:50.97 | 3.47 | 303.65 | 27.12 | Automatic |
| IU | TIXI | P | 00:27:55.62 | 0.65 | 353.07 | 34.81 | Automatic |
| IU | MAKZ | P | 00:29:10.59 | -2 | 301.95 | 44.04 | Automatic |
| II | KURK | P | 00:29:23.12 | -1.88 | 307.93 | 45.6 | Automatic |
| II | BRVK | P | 00:29:59.87 | -1.22 | 312.26 | 50.24 | Automatic |
| II | KIV | P | 00:32:21.82 | 1.92 | 310.99 | 70.47 | Automatic |