This event was automatically detected and need to be confirmed by one of our analysts.
| Type | Event |
| Magnitude | 5.4 mb |
| Local datetime | 2015/10/21 15:04 |
| Universal datetime | 2015/10/21 06:04 |
| Latitude | 37.29 ° ± 4 km |
| Longitude | 141.02 ° ± 4 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 
|
211 | 8.336599e+06 |
| Kawasaki
|
228 | 1.306785e+06 |
| Sendai
|
111 | 1.037562e+06 |
| Niigata
|
189 | 505272 |
| Utsunomiya
|
132 | 449865 |
| Iwaki
|
29 | 357309 |
| Kōriyama
|
59 | 340560 |
| Kawagoe
|
205 | 337931 |
| Fukushima
|
70 | 294237 |
| Maebashi
|
201 | 282711 |
| Yamagata
|
125 | 254538 |
| Mito
|
113 | 246538 |
| Nagaoka
|
193 | 195318 |
| Sakata
|
208 | 100446 |
| Tsuruoka
|
189 | 99820 |
Past seismicity
This map shows only the 0 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | |
|---|---|
| RMS | 1.05 |
| Azimuthal gap | 65.55 ° |
| Number of stations used | 35 |
| Number of phases used | 35 |
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 | 06:05:29.22 | 2.66 | 252.61 | 2.37 | Automatic |
| II | ERM | P | 06:06:03.27 | 0.72 | 18.48 | 5 | Automatic |
| IU | YSS | P | 06:07:10.35 | 2.65 | 7.01 | 9.75 | Automatic |
| IU | MA2 | P | 06:09:53.92 | -0.03 | 12.59 | 23.15 | Automatic |
| IU | YAK | P | 06:10:17.2 | -0.99 | 347.73 | 25.72 | Automatic |
| IU | ULN | P | 06:10:30.87 | 1.87 | 304.01 | 26.89 | Automatic |
| IU | TIXI | P | 06:11:37.72 | -1.7 | 353.34 | 34.91 | Automatic |
| IU | CHTO | P | 06:12:30.77 | -0.39 | 255.08 | 41.03 | Automatic |
| IU | MAKZ | P | 06:12:53.62 | -0.62 | 302 | 43.8 | Automatic |
| II | KAPI | P | 06:13:15.97 | 0.82 | 209.77 | 46.72 | Automatic |
| II | KDAK | P | 06:13:19.67 | 0.35 | 41.94 | 46.97 | Automatic |
| IU | COLA | P | 06:13:34.2 | 0.05 | 32.24 | 48.86 | Automatic |
| II | AAK | P | 06:13:42.87 | 0.39 | 298.17 | 49.95 | Automatic |
| II | BRVK | P | 06:13:42.47 | -0.84 | 312.27 | 50.07 | Automatic |
| II | NIL | P | 06:14:13.27 | -0.11 | 287.97 | 54.1 | Automatic |
| II | WRAB | P | 06:14:33.52 | -1.59 | 187.43 | 57.57 | Automatic |
| IU | CTAO | P | 06:14:35.82 | 0.57 | 174.18 | 57.59 | Automatic |
| IU | KNTN | P | 06:14:49.49 | 0.39 | 121.48 | 59.33 | Automatic |
| IU | KBS | P | 06:14:56.12 | 0.04 | 350.09 | 60.13 | Automatic |
| II | LVZ | P | 06:15:05.2 | -0.62 | 335.75 | 61.52 | Automatic |
| IU | MBWA | P | 06:15:04.2 | -0.44 | 202.6 | 61.8 | Automatic |
| II | PALK | P | 06:15:08.87 | -0.06 | 257.14 | 62.13 | Automatic |
| IU | KEV | P | 06:15:13.87 | -0.74 | 339.2 | 62.85 | Automatic |
| II | OBN | P | 06:15:43.57 | -1.16 | 323.16 | 67.46 | Automatic |
| II | KIV | P | 06:16:02.32 | -0.01 | 310.83 | 70.28 | Automatic |
| IU | GNI | P | 06:16:07.52 | 0.25 | 306.57 | 71.09 | Automatic |
| II | UOSS | P | 06:16:06.87 | -1.43 | 287.57 | 71.3 | Automatic |
| II | FFC | P | 06:16:20.42 | -0.61 | 32.48 | 73.38 | Automatic |
| IU | NWAO | P | 06:16:19.42 | 0.42 | 200.66 | 73.64 | Automatic |
| IU | KONO | P | 06:16:30.57 | -0.62 | 336.92 | 75.12 | Automatic |
| IU | SFJD | P | 06:16:33.67 | 1.25 | 4.68 | 75.34 | Automatic |
| II | PFO | P | 06:16:54.7 | 1.43 | 55.93 | 78.95 | Automatic |
| IU | TUC | P | 06:17:16.42 | -0.19 | 53.92 | 83.46 | Automatic |
| IU | ANMO | P | 06:17:21.37 | -0.16 | 49.54 | 84.42 | Automatic |
| II | BFO | P | 06:17:21.7 | -1.54 | 330.61 | 84.61 | Automatic |