This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.5 mb
Local datetime 2025/11/12 09:29
Universal datetime 2025/11/12 00:29
Latitude 39.80 ° ± 4 km
Longitude 143.40 ° ± 6 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  266 1.037562e+06
Akita  284 320069
Aomori  256 298394
Morioka  195 295172
Fukushima  342 294237
Hakodate  316 275730
Yamagata  316 254538
Hachinohe  177 239046
Kushiro  362 183612
Hirosaki  264 174972
Tomakomai  353 174806
Obihiro  349 173890
Sakata  321 100446
Tsuruoka  331 99820
Muroran  349 96197

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 1.29
Azimuthal gap 138.68 °
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 00:29:57.32 0.29 355.34 2.23 Automatic
IU MAJO P 00:30:38.39 0.1 233.11 5.22 Automatic
IU YSS P 00:31:06.15 1.13 356.5 7.18 Automatic
IU INCN P 00:32:33.2 3.8 265.3 13.29 Automatic
IU MA2 P 00:33:56.82 0.53 10.78 20.32 Automatic
IU YAK P 00:34:30.37 -2.2 343.96 23.74 Automatic
IU ULN P 00:35:03.12 -0.97 299.38 27.15 Automatic
II TLY P 00:35:27.34 0.3 306.9 29.73 Automatic
IU BILL P 00:35:36.87 -0.45 16.54 30.93 Automatic
IU TIXI P 00:35:51.52 -1.09 351.58 32.67 Automatic
IU CHTO P 00:37:22.74 -1.01 254.43 43.49 Automatic
IU MAKZ P 00:37:28.62 -0.68 300.25 44.09 Automatic
II KURK P 00:37:37.69 -1.67 306.38 45.36 Automatic
II KAPI P 00:38:11.97 0.2 211.53 49.82 Automatic
II AAK P 00:38:17.62 -1.19 297.08 50.43 Automatic
II ALE P 00:39:07.12 0.06 3.87 57.02 Automatic
IU KBS P 00:39:16.17 2.36 350.22 57.97 Automatic
II WRAB P 00:39:25.67 -1.24 189.79 60.32 Automatic
II KIV P 00:40:34.47 0.97 311.19 70.03 Automatic
IU GNI P 00:40:40.77 0.92 306.98 71.08 Automatic
II UOSS P 00:40:45.59 -1.36 288.08 72.3 Automatic
IU KIEV P 00:40:48.72 -1.44 322.78 72.78 Automatic
IU RSSD P 00:41:12.19 0.62 42.99 76.47 Automatic
IU ANTO P 00:41:21.62 -0.19 312.81 78.3 Automatic
IU ANMO P 00:41:40.34 1.87 51.11 81.39 Automatic
II BFO P 00:41:48.37 -0.27 331.79 83.31 Automatic
IU CCM P 00:42:09.12 -0.07 40 87.45 Automatic
IU KMBO P 00:43:19.69 0.69 279.63 103.08 Automatic