This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.6 mb
Local datetime 2025/10/05 00:21
Universal datetime 2025/10/04 15:21
Latitude 37.53 ° ± 4 km
Longitude 141.36 ° ± 4 km
Depth 59 km (from location) ± 5 km

Have you felt an earthquake ?

You can participate to science by bringing your testimony.

Testify !
See the seismogram of this event.

Near cities

This table shows only the most populated cities around the epicenter.
Name Distance (km) Population
Tokyo  250 8.336599e+06
Sendai  89 1.037562e+06
Niigata  209 505272
Utsunomiya  171 449865
Iwaki  67 357309
Kōriyama  88 340560
Kawagoe  245 337931
Morioka  244 295172
Fukushima  82 294237
Maebashi  239 282711
Yamagata  123 254538
Mito  151 246538
Nagaoka  221 195318
Sakata  203 100446
Tsuruoka  187 99820

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 1.16
Azimuthal gap 85.02 °
Number of stations used 40
Number of phases used 40

Webservices

The data of this event are available in various formats (QuakeML, GeoJSON and text) through the following links :

QuakeML GeoJSON Text

Phases

Network Station Phase Time Residual (s) Azimuth (°) Distance (°) Mode
IU MAJO P 15:21:52.82 -0.58 249.59 2.7 Automatic
II ERM P 15:22:18.82 -1.65 16.57 4.69 Automatic
IU YSS P 15:23:25.30 -0.69 5.82 9.48 Automatic
IU INCN P 15:23:59.72 3.24 274.24 11.68 Automatic
IU PET P 15:25:36.49 0.84 32.22 19.59 Automatic
IU TATO P 15:25:50.49 -0.83 239.07 21.04 Automatic
IU MA2 P 15:26:11.52 0.97 12.31 22.86 Automatic
IU GUMO P 15:26:24.14 2.19 171.63 24.14 Automatic
IU YAK P 15:26:34.12 -1.36 347.28 25.54 Automatic
IU ULN P 15:26:48.97 0.13 303.52 26.97 Automatic
IU BILL P 15:27:45.52 -1.12 16.66 33.55 Automatic
IU TIXI P 15:27:55.99 -0.56 353.13 34.7 Automatic
IU CHTO P 15:28:52.2 -0.59 255.09 41.35 Automatic
IU MAKZ P 15:29:13.62 -0.18 301.84 43.9 Automatic
II KURK P 15:29:25.59 -0.58 307.83 45.45 Automatic
II KDAK P 15:29:34.84 -0.4 42.11 46.61 Automatic
II KAPI P 15:29:36.22 -0.34 210.07 47.06 Automatic
IU COLA P 15:29:50.84 0.85 32.36 48.52 Automatic
II AAK P 15:30:02.12 0.07 298.09 50.07 Automatic
II WRAB P 15:30:52.84 -2.74 187.78 57.84 Automatic
II ALE P 15:31:09.7 -0.38 3.49 59.39 Automatic
II LVZ P 15:31:24.7 0.71 335.77 61.4 Automatic
IU MBWA P 15:31:23.24 -1.89 202.88 62.12 Automatic
II PALK P 15:31:30.47 0.99 257.24 62.44 Automatic
IU KEV P 15:31:32.42 0.24 339.23 62.72 Automatic
II MSVF P 15:31:46.22 0.49 141.16 65.17 Automatic
IU COR P 15:32:09.29 2.95 49.9 67.97 Automatic
II KIV P 15:32:21.67 0.74 310.9 70.32 Automatic
IU GNI P 15:32:27.27 1.25 306.65 71.16 Automatic
II UOSS P 15:32:27.39 -0.31 287.67 71.48 Automatic
IU KIEV P 15:32:39.62 -1.06 322.3 73.61 Automatic
IU NWAO P 15:32:38.99 -0.19 200.91 73.96 Automatic
II PFO P 15:33:09.24 0.33 56.15 78.59 Automatic
IU ANTO P 15:33:09.84 0.51 312.09 78.66 Automatic
IU RSSD P 15:33:11.64 -0.81 41.64 79.22 Automatic
II RAYN P 15:33:17.7 -0.81 292.27 80.27 Automatic
IU TUC P 15:33:33.14 0.19 54.13 83.1 Automatic
IU ANMO P 15:33:38.4 0.17 49.74 84.06 Automatic
II BFO P 15:33:40.7 -0.29 330.78 84.53 Automatic
IU WCI P 15:34:18.54 0.5 35.53 92.45 Automatic