This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.4 mb
Local datetime 2025/11/09 07:15
Universal datetime 2025/11/08 22:15
Latitude 39.55 ° ± 4 km
Longitude 143.32 ° ± 5 km
Depth 10 km (from location) ± 0.0 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
Sendai  244 1.037562e+06
Iwaki  349 357309
Kōriyama  350 340560
Akita  278 320069
Aomori  263 298394
Morioka  189 295172
Fukushima  319 294237
Hakodate  331 275730
Yamagata  297 254538
Hachinohe  185 239046
Hirosaki  268 174972
Tomakomai  374 174806
Sakata  308 100446
Tsuruoka  316 99820
Muroran  368 96197

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 1.32
Azimuthal gap 92.47 °
Number of stations used 28
Number of phases used 28

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
II ERM P 22:15:48.77 -0.33 357.22 2.46 Automatic
IU MAJO P 22:16:24.44 0.01 234.83 5.03 Automatic
IU YSS P 22:16:58.5 0.96 357.05 7.42 Automatic
IU INCN P 22:18:20.57 3.65 266.25 13.21 Automatic
IU MA2 P 22:19:48.82 1.02 10.78 20.57 Automatic
IU TATO P 22:20:16.24 -1.77 238.02 23.41 Automatic
IU YAK P 22:20:21.37 -2.07 344.2 23.96 Automatic
IU ULN P 22:20:53.32 -0.14 299.8 27.21 Automatic
II TLY P 22:21:17.39 0.71 307.25 29.82 Automatic
IU BILL P 22:21:27.29 -1.02 16.47 31.18 Automatic
IU TIXI P 22:21:42.49 -0.93 351.68 32.9 Automatic
IU CHTO P 22:23:10.79 -0.76 254.61 43.36 Automatic
IU MAKZ P 22:23:18.47 -0.17 300.45 44.16 Automatic
II KURK P 22:23:28.2 -0.88 306.56 45.45 Automatic
II KAPI P 22:23:59.49 0.75 211.54 49.58 Automatic
II AAK P 22:24:07.82 -0.21 297.23 50.49 Automatic
II WRAB P 22:25:11.64 -2.36 189.72 60.07 Automatic
II MSVF P 22:25:54.49 1.55 143.5 65.83 Automatic
II KIV P 22:26:23.22 0.23 311.22 70.15 Automatic
IU GNI P 22:26:30.22 0.99 307.01 71.17 Automatic
II UOSS P 22:26:34.64 -1.2 288.11 72.32 Automatic
IU KIEV P 22:26:38.77 -1.1 322.78 72.94 Automatic
IU KONO P 22:26:44.47 -0.07 337.64 73.72 Automatic
IU ANTO P 22:27:11.62 0.35 312.8 78.42 Automatic
IU ANMO P 22:27:28.72 0.38 51.03 81.59 Automatic
II BFO P 22:27:38.17 -0.21 331.75 83.49 Automatic
IU CCM P 22:27:58.59 -0.48 39.95 87.68 Automatic
IU WVT P 22:28:17.17 3.1 38.98 90.87 Automatic