This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.2 mb
Local datetime 2025/10/07 09:30
Universal datetime 2025/10/07 00:30
Latitude 37.50 ° ± 6 km
Longitude 141.16 ° ± 8 km
Depth 68 km (from location) ± 6 km

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See the seismogram of this event.

Near cities

This table shows only the most populated cities around the epicenter.
Name Distance (km) Population
Tokyo  237 8.336599e+06
Sendai  88 1.037562e+06
Niigata  192 505272
Utsunomiya  156 449865
Iwaki  55 357309
Kōriyama  69 340560
Kawagoe  230 337931
Morioka  247 295172
Fukushima  66 294237
Maebashi  223 282711
Yamagata  113 254538
Mito  139 246538
Nagaoka  203 195318
Sakata  195 100446
Tsuruoka  177 99820

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 1.69
Azimuthal gap 137.93 °
Number of stations used 19
Number of phases used 19

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 00:31:06.39 -0.37 248.87 2.54 Automatic
II ERM P 00:31:35.97 -1.01 18.17 4.77 Automatic
IU YSS P 00:32:44.40 2.39 6.62 9.53 Automatic
IU YAK P 00:35:48.82 -1.17 347.5 25.54 Automatic
IU ULN P 00:36:01.52 -0.83 303.63 26.86 Automatic
IU TIXI P 00:37:09.7 -2.1 353.24 34.72 Automatic
IU CHTO P 00:38:06.12 0.35 254.96 41.19 Automatic
IU MAKZ P 00:38:27.39 0.07 301.83 43.78 Automatic
II KURK P 00:38:38.32 -1.48 307.83 45.34 Automatic
II AAK P 00:39:15.7 -0.48 298.06 49.94 Automatic
II WRAB P 00:40:09.14 -0.5 187.56 57.79 Automatic
II KIV P 00:41:34.62 -0.08 310.83 70.22 Automatic
IU GNI P 00:41:43.62 3.88 306.57 71.05 Automatic
II UOSS P 00:41:41.34 0.12 287.57 71.34 Automatic
IU KIEV P 00:41:52.67 -1.96 322.22 73.54 Automatic
IU ANTO P 00:42:27.44 4.29 311.99 78.56 Automatic
II RAYN P 00:42:30.79 -0.71 292.16 80.14 Automatic
IU ANMO P 00:42:53.4 0.11 49.62 84.2 Automatic
II BFO P 00:42:53.92 -0.52 330.67 84.48 Automatic