This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.5 mb
Local datetime 2018/01/28 04:43
Universal datetime 2018/01/27 19:43
Latitude 40.54 ° ± 7 km
Longitude 141.54 ° ± 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  282 1.883027e+06
Sendai  254 1.037562e+06
Akita  154 320069
Aomori  77 298394
Morioka  98 295172
Hakodate  154 275730
Yamagata  273 254538
Hachinohe  4 239046
Hirosaki  91 174972
Tomakomai  234 174806
Obihiro  298 173890
Otaru  297 143792
Sakata  231 100446
Tsuruoka  252 99820
Muroran  206 96197

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 1.31
Azimuthal gap 175.11 °
Number of stations used 19
Number of phases used 19

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 19:44:02.42 -0.09 39.06 1.91 Automatic
IU MAJO P 19:44:42.42 0.49 214.17 4.77 Automatic
IU YSS P 19:45:07.65 2.41 7.41 6.47 Automatic
IU MA2 P 19:48:00.32 -1.2 13.82 19.89 Automatic
IU YAK P 19:48:29.47 -1.82 345.5 22.65 Automatic
IU ULN P 19:49:01.2 1.62 298.24 25.54 Automatic
IU TIXI P 19:49:52.67 -1.57 352.45 31.73 Automatic
IU CHTO P 19:51:23.39 -0.87 252.02 42.34 Automatic
IU MAKZ P 19:51:27.27 1.11 299.11 42.49 Automatic
II KURK P 19:51:37.7 0.57 305.41 43.77 Automatic
IU COLA P 19:51:55.69 2.14 33.89 45.92 Automatic
II BRVK P 19:52:12.57 0.88 310.25 48.22 Automatic
II NIL P 19:52:52.77 1.06 285.93 53.53 Automatic
II OBN P 19:54:11.62 -0.54 322.47 65.11 Automatic
II KIV P 19:54:34.27 0.64 310.12 68.47 Automatic
IU KIEV P 19:54:49.82 -1.42 321.79 71.32 Automatic
IU ANTO P 19:55:22.77 -0.2 311.7 76.75 Automatic
II RAYN P 19:55:34.94 -1.75 291.87 79.27 Automatic
II BFO P 19:55:50.7 -1.46 330.7 81.97 Automatic