This event was automatically detected and need to be confirmed by one of our analysts.
| Type | Event |
| Magnitude | 5.1 mb |
| Local datetime | 2017/08/26 04:20 |
| Universal datetime | 2017/08/25 19:20 |
| Latitude | 37.15 ° ± 8 km |
| Longitude | 141.03 ° ± 9 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 
|
199 | 8.336599e+06 |
| Kawasaki
|
216 | 1.306785e+06 |
| Sendai
|
126 | 1.037562e+06 |
| Niigata
|
196 | 505272 |
| Utsunomiya
|
124 | 449865 |
| Iwaki
|
17 | 357309 |
| Kōriyama
|
65 | 340560 |
| Kawagoe
|
195 | 337931 |
| Fukushima
|
82 | 294237 |
| Maebashi
|
194 | 282711 |
| Yamagata
|
139 | 254538 |
| Mito
|
100 | 246538 |
| Nagaoka
|
195 | 195318 |
| Sakata
|
222 | 100446 |
| Tsuruoka
|
202 | 99820 |
Past seismicity
This map shows only the 0 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | |
|---|---|
| RMS | 1.84 |
| Azimuthal gap | 146.02 ° |
| 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 | 19:21:03.62 | -2.39 | 255.8 | 2.34 | Automatic |
| II | KURK | P | 19:28:47.2 | -0.49 | 308.09 | 45.48 | Automatic |
| II | BRVK | P | 19:29:24.92 | 1.02 | 312.36 | 50.16 | Automatic |
| II | WRAB | P | 19:30:14.42 | 0.38 | 187.45 | 57.43 | Automatic |
| IU | MBWA | P | 19:30:44.92 | 1.41 | 202.64 | 61.67 | Automatic |
| II | KIV | P | 19:31:44.72 | 1.96 | 310.87 | 70.37 | Automatic |
| IU | RSSD | P | 19:32:33.12 | -3.44 | 41.43 | 79.67 | Automatic |
| II | BFO | P | 19:33:04.62 | 1.54 | 330.62 | 84.73 | Automatic |