This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.4 mb
Local datetime 2023/08/25 07:48
Universal datetime 2023/08/24 22:48
Latitude 39.66 ° ± 4 km
Longitude 142.86 ° ± 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  220 1.037562e+06
Iwaki  336 357309
Kōriyama  330 340560
Akita  238 320069
Aomori  224 298394
Morioka  149 295172
Fukushima  297 294237
Hakodate  297 275730
Yamagata  269 254538
Hachinohe  147 239046
Hirosaki  228 174972
Tomakomai  350 174806
Sakata  272 100446
Tsuruoka  283 99820
Muroran  338 96197

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 2.28
Azimuthal gap 134.01 °
Number of stations used 39
Number of phases used 39

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 22:49:03.22 -2.09 5.35 2.37 Automatic
IU MAJO P 22:49:39.17 0.27 231.12 4.81 Automatic
IU YSS P 22:50:12.40 -0.65 359.46 7.3 Automatic
IU PET P 22:52:26.17 -0.41 33.67 17.17 Automatic
IU MA2 P 22:53:02.87 -2.1 11.46 20.53 Automatic
IU TATO P 22:53:31.22 -1.85 237.09 23.16 Automatic
IU YAK P 22:53:36.7 -3.02 344.61 23.76 Automatic
IU ULN P 22:54:07.47 -0.28 299.68 26.86 Automatic
II TLY P 22:54:32.72 1.57 307.19 29.48 Automatic
IU BILL P 22:54:45.29 -0.57 16.78 31.18 Automatic
IU TIXI P 22:55:02.39 2.79 351.9 32.75 Automatic
IU CHTO P 22:56:25.19 -1.33 254.11 43.05 Automatic
IU MAKZ P 22:56:32.52 -0.76 300.25 43.81 Automatic
II KURK P 22:56:42.24 -1.43 306.39 45.1 Automatic
IU COLA P 22:56:55.64 4.25 33.45 46.09 Automatic
II AAK P 22:57:22.7 -0.73 297 50.13 Automatic
II ALE P 22:58:14.7 -0.49 3.79 57.19 Automatic
IU KBS P 22:58:21.12 0.54 350.14 58.04 Automatic
II LVZ P 22:58:37.42 3.47 335.61 59.95 Automatic
II WRAB P 22:58:27.59 -4.2 189.22 60.12 Automatic
IU KEV P 22:58:40.57 -1.57 339.18 61.15 Automatic
IU MBWA P 22:59:04.24 2.6 203.94 64.54 Automatic
II OBN P 22:59:18.39 1.27 323.2 66.42 Automatic
II KIV P 22:59:37.82 -0.63 310.98 69.81 Automatic
II FFC P 22:59:40.72 -2.66 33.65 70.61 Automatic
IU GNI P 22:59:48.57 3.92 306.76 70.83 Automatic
II UOSS P 22:59:49.59 -1.55 287.82 71.95 Automatic
IU KIEV P 22:59:53.17 -2.46 322.56 72.64 Automatic
IU SFJD P 22:59:59.67 2.8 5.47 72.85 Automatic
IU KONO P 23:00:01.84 1.15 337.43 73.49 Automatic
II BORG P 23:00:12.47 3.79 353.08 74.86 Automatic
IU NWAO P 23:00:16.22 2.51 201.93 76.36 Automatic
IU RSSD P 23:00:16.87 -3.19 42.69 76.85 Automatic
II ESK P 23:00:44.57 3.21 341.22 80.72 Automatic
IU TUC P 23:00:44.9 1.86 55.21 80.92 Automatic
IU ANMO P 23:00:45.39 -1.56 50.79 81.8 Automatic
II BFO P 23:00:52.87 -1.7 331.49 83.23 Automatic
IU CCM P 23:01:14.17 -3.12 39.67 87.82 Automatic
IU WVT P 23:01:34.54 2.31 38.68 91.01 Automatic