This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.5 mb
Local datetime 2017/04/20 21:41
Universal datetime 2017/04/20 11:41
Latitude 44.44 ° ± 4 km
Longitude 148.60 ° ± 4 km
Depth 71 km (from location) ± 6 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  604 1.883027e+06
Asahikawa  504 356612
Kushiro  377 183612
Yuzhno Sakhalinsk  536 176484
Tomakomai  603 174806
Obihiro  469 173890
Otaru  628 143792
Kitami  382 113137
Muroran  659 96197
Korsakov  516 35091
Kholmsk  585 32681
Nevelsk  581 17000
Poronaysk  679 16677
Dolinsk  554 11989
Makarov  644 6663

Past seismicity

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

Event details

Parameters

Evaluation status
RMS 1.32
Azimuthal gap 119.17 °
Number of stations used 40
Number of phases used 40

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 11:42:35.87 0.83 240.47 4.65 Automatic
IU YSS P 11:42:38.10 1.06 303.78 4.79 Automatic
IU MAJO P 11:44:01.2 -2.9 228.54 11.15 Automatic
IU MA2 P 11:45:00.2 2.24 4.19 15.19 Automatic
IU INCN P 11:45:32.67 0.89 254.78 17.93 Automatic
IU YAK P 11:46:00.2 -2.43 334.58 20.75 Automatic
IU ADK P 11:46:39.97 3.55 59.57 24.06 Automatic
IU ULN P 11:47:18.32 0.57 291.8 28.63 Automatic
IU TIXI P 11:47:15.17 -3.75 347.25 28.81 Automatic
II KDAK P 11:48:36.62 -1.38 47.99 37.87 Automatic
IU COLA P 11:48:53.52 -0.09 36.49 39.74 Automatic
IU MAKZ P 11:49:38.62 0.32 297.74 45.22 Automatic
II KURK P 11:49:42.32 -0.86 303.97 45.84 Automatic
II BRVK P 11:50:12.62 -0.69 309.52 49.72 Automatic
II AAK P 11:50:29.72 0.63 295.84 51.82 Automatic
II KAPI P 11:50:56.2 0.16 215.52 55.82 Automatic
II FFC P 11:51:55.82 -0.45 37.21 64.25 Automatic
II OBN P 11:52:02.7 0.27 324.23 65.09 Automatic
II WRAB P 11:52:01.27 -0.8 194.7 65.68 Automatic
IU SFJD P 11:52:17.17 -0.73 8 67.61 Automatic
II KIV P 11:52:32.77 1.16 312.47 69.82 Automatic
II PFO P 11:52:34.47 -0.23 61.77 70.35 Automatic
IU RSSD P 11:52:34.87 -0.69 46.64 70.46 Automatic
IU KONO P 11:52:37.37 0.78 339.43 70.62 Automatic
IU MBWA P 11:52:33.47 -0.32 208.49 70.71 Automatic
IU GNI P 11:52:42.52 1.94 308.42 71.3 Automatic
II UOSS P 11:52:59.7 0.17 289.89 74.44 Automatic
IU TUC P 11:53:00.47 -0.4 59.43 74.75 Automatic
IU ANMO P 11:53:05.27 -0.07 54.88 75.51 Automatic
II ESK P 11:53:16.32 -0.07 344.01 77.43 Automatic
IU ANTO P 11:53:19.62 0.94 315.03 77.86 Automatic
II BFO P 11:53:35.17 -0.18 334.51 80.91 Automatic
IU CCM P 11:53:36.82 -1.11 43.52 81.42 Automatic
IU NWAO P 11:53:40.2 0.13 206.14 82.46 Automatic
II RAYN P 11:53:43.27 0.17 295.73 82.47 Automatic
IU WCI P 11:53:48.97 -0.52 40.29 83.65 Automatic
IU WVT P 11:53:53.62 -0.73 42.53 84.61 Automatic
IU SSPA P 11:53:57.12 -0.47 33.52 85.24 Automatic
IU HKT P 11:53:58.32 0.87 51.65 85.25 Automatic
II TAU P 11:54:06.22 2.2 180.94 87.36 Automatic