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 17:49
Universal datetime 2025/11/09 08:49
Latitude 39.63 ° ± 6 km
Longitude 142.95 ° ± 9 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  224 1.037562e+06
Iwaki  338 357309
Kōriyama  333 340560
Akita  246 320069
Aomori  233 298394
Morioka  157 295172
Fukushima  301 294237
Hakodate  305 275730
Yamagata  274 254538
Hachinohe  155 239046
Hirosaki  236 174972
Tomakomai  355 174806
Sakata  279 100446
Tsuruoka  289 99820
Muroran  345 96197

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 0.99
Azimuthal gap 172.61 °
Number of stations used 18
Number of phases used 18

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 08:50:34.42 0.83 3.61 2.39 Automatic
IU MAJO P 08:51:07.7 -0.41 231.96 4.85 Automatic
IU YSS P 08:51:42.65 1.22 358.96 7.33 Automatic
IU MA2 P 08:54:33.32 0.22 11.32 20.54 Automatic
IU YAK P 08:55:06.22 -1.31 344.53 23.81 Automatic
IU ULN P 08:55:36.82 0.37 299.71 26.93 Automatic
II TLY P 08:56:01.69 1.88 307.21 29.55 Automatic
IU BILL P 08:56:12.42 -1.49 16.72 31.18 Automatic
IU TIXI P 08:56:27.19 -0.74 351.86 32.78 Automatic
IU CHTO P 08:57:54.32 -0.73 254.22 43.11 Automatic
IU MAKZ P 08:58:01.87 -0.04 300.3 43.88 Automatic
II KURK P 08:58:11.57 -0.7 306.43 45.18 Automatic
II AAK P 08:58:52.2 0.63 297.05 50.2 Automatic
II WRAB P 09:00:01.29 1.58 189.33 60.1 Automatic
II KIV P 09:01:07.72 0.82 311.03 69.89 Automatic
II UOSS P 09:01:18.69 -0.93 287.88 72.03 Automatic
IU KIEV P 09:01:22.72 -1.31 322.61 72.71 Automatic
II BFO P 09:02:22.97 0.09 331.55 83.29 Automatic