This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.2 mb
Local datetime 2017/05/20 23:40
Universal datetime 2017/05/20 14:40
Latitude 39.99 ° ± 5 km
Longitude 143.69 ° ± 8 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  298 1.037562e+06
Akita  310 320069
Aomori  270 298394
Morioka  221 295172
Fukushima  375 294237
Hakodate  320 275730
Yamagata  348 254538
Hachinohe  192 239046
Kushiro  337 183612
Hirosaki  282 174972
Tomakomai  346 174806
Obihiro  330 173890
Sakata  351 100446
Tsuruoka  362 99820
Muroran  347 96197

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 1.68
Azimuthal gap 138.79 °
Number of stations used 15
Number of phases used 15

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 14:41:22.62 0.34 348.91 2.07 Automatic
IU MAJO P 14:42:08.67 -1.07 233.11 5.51 Automatic
IU YSS P 14:42:31.45 1.38 354.78 7 Automatic
IU INCN P 14:44:04.37 4.45 264.77 13.53 Automatic
IU YAK P 14:45:56.37 -2.45 343.54 23.62 Automatic
IU ULN P 14:46:31.67 -0.76 299.03 27.25 Automatic
IU TIXI P 14:47:18.92 0.24 351.37 32.51 Automatic
IU MAKZ P 14:48:56.34 -1.16 300.16 44.19 Automatic
II KURK P 14:49:05.97 -1.35 306.28 45.42 Automatic
II BRVK P 14:49:41.37 -0.25 311.08 49.83 Automatic
II AAK P 14:49:46.17 -0.92 297.05 50.55 Automatic
II WRAB P 14:50:55.27 -0.61 190.08 60.55 Automatic
II KIV P 14:52:01.62 0.44 311.27 70.08 Automatic
II RAYN P 14:53:02.62 -0.99 293.24 81 Automatic
IU ANMO P 14:53:07.2 2.69 51.3 81.09 Automatic