This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5 mb
Local datetime 2017/01/21 20:54
Universal datetime 2017/01/21 11:54
Latitude 40.91 ° ± 7 km
Longitude 141.88 ° ± 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
Sapporo  245 1.883027e+06
Sendai  300 1.037562e+06
Akita  202 320069
Aomori  99 298394
Morioka  147 295172
Hakodate  137 275730
Hachinohe  53 239046
Kushiro  309 183612
Hirosaki  125 174972
Tomakomai  195 174806
Obihiro  249 173890
Otaru  264 143792
Sakata  281 100446
Tsuruoka  301 99820
Muroran  176 96197

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 1.3
Azimuthal gap 173.83 °
Number of stations used 11
Number of phases used 11

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 11:55:00.37 1.58 40.6 1.46 Automatic
IU MAJO P 11:55:51.7 0.28 214.43 5.22 Automatic
IU YSS P 11:56:04.55 1.96 5.71 6.08 Automatic
IU MA2 P 11:58:58.87 -0.84 13.59 19.47 Automatic
IU YAK P 11:59:29.82 -1.14 344.9 22.36 Automatic
IU ULN P 12:00:03.67 1.04 297.54 25.6 Automatic
IU BILL P 12:00:40.62 -2.96 17.99 30.21 Automatic
IU MAKZ P 12:02:28.87 -0.4 298.85 42.53 Automatic
II BRVK P 12:03:14.22 0.11 310.07 48.18 Automatic
II NIL P 12:03:55.77 0.27 285.84 53.68 Automatic
II KIV P 12:05:36.22 0.11 310.17 68.43 Automatic