This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.4 mb
Local datetime 2020/04/30 12:15
Universal datetime 2020/04/30 03:15
Latitude 40.97 ° ± 5 km
Longitude 142.94 ° ± 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
Sapporo  269 1.883027e+06
Sendai  340 1.037562e+06
Asahikawa  313 356612
Akita  280 320069
Aomori  189 298394
Morioka  207 295172
Hakodate  206 275730
Hachinohe  129 239046
Kushiro  253 183612
Hirosaki  213 174972
Tomakomai  220 174806
Obihiro  219 173890
Otaru  296 143792
Kitami  330 113137
Muroran  224 96197

Past seismicity

  This map shows only the 2 most significant earthquakes around this event.

Event details

Parameters

Evaluation status
RMS 1.54
Azimuthal gap 131.54 °
Number of stations used 26
Number of phases used 26

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 03:16:43.97 -0.58 221.4 5.76 Automatic
IU YSS P 03:16:49.90 2.2 358.81 5.99 Automatic
IU MA2 P 03:19:41.82 -1.64 12.08 19.24 Automatic
IU YAK P 03:20:15.42 -3.62 343.69 22.52 Automatic
IU ULN P 03:20:54.42 -0.79 297.37 26.29 Automatic
II TLY P 03:21:18.12 0.79 305.28 28.75 Automatic
IU BILL P 03:21:25.97 -1.28 17.39 29.91 Automatic
IU MAKZ P 03:23:20.29 -0.8 299.07 43.21 Automatic
II KDAK P 03:23:21.84 0.36 44.58 43.27 Automatic
IU CHTO P 03:23:21.27 -1.3 252.85 43.48 Automatic
II KURK P 03:23:28.39 -2.16 305.34 44.39 Automatic
IU COLA P 03:23:36.77 1.66 34.17 44.97 Automatic
II AAK P 03:24:11.87 0.5 296.04 49.6 Automatic
II NIL P 03:24:46.57 -0.8 286.34 54.43 Automatic
II ALE P 03:24:57.42 -0.4 3.86 55.88 Automatic
II WRAB P 03:25:33.9 -0.17 189.19 61.42 Automatic
II KIV P 03:26:28.7 2.03 310.65 69.01 Automatic
II FFC P 03:26:28.72 -0.36 33.95 69.49 Automatic
IU GNI P 03:26:36.42 3.64 306.43 70.1 Automatic
IU KIEV P 03:26:43.77 1.53 322.34 71.64 Automatic
II PFO P 03:27:05.67 -0.22 57.65 75.69 Automatic
IU RSSD P 03:27:06.42 -0.54 42.95 75.85 Automatic
II RAYN P 03:27:32.59 2.38 292.64 80.09 Automatic
IU TUC P 03:27:30.62 0.07 55.44 80.12 Automatic
IU ANMO P 03:27:35.22 0.32 50.99 80.92 Automatic
IU CCM P 03:28:04.2 -0.83 39.76 86.78 Automatic