This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.1 mb
Local datetime 2017/12/20 04:49
Universal datetime 2017/12/19 19:49
Latitude 41.69 ° ± 7 km
Longitude 141.48 ° ± 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
Sapporo  155 1.883027e+06
Asahikawa  241 356612
Akita  249 320069
Aomori  115 298394
Morioka  220 295172
Hakodate  62 275730
Hachinohe  131 239046
Kushiro  278 183612
Hirosaki  150 174972
Tomakomai  107 174806
Obihiro  196 173890
Otaru  172 143792
Kitami  312 113137
Sakata  337 100446
Muroran  84 96197

Past seismicity

  This map shows only the 0 most significant earthquakes around this event.

Event details

Parameters

Evaluation status
RMS 1.14
Azimuthal gap 132.58 °
Number of stations used 9
Number of phases used 9

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 19:49:49.47 0.46 74.75 1.29 Automatic
IU MAJO P 19:50:50.27 -0.21 207.33 5.73 Automatic
IU YAK P 19:54:14.87 0.07 344.86 21.53 Automatic
IU ULN P 19:54:51.27 1.57 296.1 24.98 Automatic
II KURK P 19:57:25.37 -0.96 304.41 43.07 Automatic
II BRVK P 19:58:00.87 -0.29 309.44 47.45 Automatic
II AAK P 19:58:09.57 1.86 294.92 48.29 Automatic
II KIV P 20:00:23.77 -0.44 309.74 67.7 Automatic
IU KIEV P 20:00:38.97 -2.07 321.52 70.39 Automatic