This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.2 mb
Local datetime 2021/12/21 12:53
Universal datetime 2021/12/21 02:53
Latitude 43.73 ° ± 4 km
Longitude 145.89 ° ± 4 km
Depth 113 km (from location) ± 5 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  375 1.883027e+06
Asahikawa  282 356612
Hakodate  473 275730
Hachinohe  507 239046
Kushiro  149 183612
Yuzhno Sakhalinsk  435 176484
Tomakomai  372 174806
Obihiro  238 173890
Otaru  402 143792
Kitami  160 113137
Muroran  428 96197
Korsakov  405 35091
Kholmsk  474 32681
Nevelsk  455 17000
Dolinsk  469 11989

Past seismicity

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

Event details

Parameters

Evaluation status
RMS 1.35
Azimuthal gap 119.62 °
Number of stations used 33
Number of phases used 33

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 02:53:59.17 0.21 230.24 2.64 Automatic
IU YSS P 02:54:14.90 -0.74 326.84 3.9 Automatic
IU MAJO P 02:55:26.52 -1.76 221.79 9.27 Automatic
IU INCN P 02:56:57.7 2.32 253.35 15.86 Automatic
IU MA2 P 02:57:01.57 3.94 8.94 16.12 Automatic
IU YAK P 02:57:45.22 -2.76 338.17 20.61 Automatic
IU ULN P 02:58:49.87 -0.43 292.53 27.09 Automatic
II TLY P 02:59:08.12 0.25 300.91 29.07 Automatic
II KDAK P 03:00:39.9 -1.05 47.09 39.78 Automatic
IU COLA P 03:00:53.77 -0.12 35.95 41.46 Automatic
IU MAKZ P 03:01:12.39 -0.74 297.4 43.82 Automatic
II KURK P 03:01:18.42 -1.04 303.74 44.61 Automatic
IU CHTO P 03:01:33.22 0.6 252.83 46.38 Automatic
II AAK P 03:02:03.82 -0.23 295.14 50.37 Automatic
IU CTAO P 03:03:35.99 0.37 179.61 63.82 Automatic
II OBN P 03:03:42.77 -0.88 323.28 64.51 Automatic
II WRAB P 03:03:40.52 0.14 192.01 64.54 Automatic
II FFC P 03:03:52.72 -0.41 35.85 65.97 Automatic
II KIV P 03:04:11.52 0.38 311.27 68.83 Automatic
IU GNI P 03:04:23.87 4.45 307.14 70.19 Automatic
IU KIEV P 03:04:21.67 -1.31 323.16 70.75 Automatic
IU RSSD P 03:04:32.9 -0.43 45.04 72.35 Automatic
II PFO P 03:04:32.62 -0.01 59.99 72.39 Automatic
II UOSS P 03:04:34.52 -0.48 288.38 72.83 Automatic
IU TUC P 03:04:58.32 0.34 57.65 76.78 Automatic
IU ANTO P 03:04:59.44 0.32 313.55 76.96 Automatic
IU ANMO P 03:05:02.49 0.39 53.13 77.51 Automatic
II ESK P 03:05:02.37 -0.14 342.58 77.54 Automatic
II BFO P 03:05:18.97 -0.59 332.96 80.68 Automatic
II RAYN P 03:05:20.77 -0.04 294.06 81 Automatic
IU CCM P 03:05:32.24 -0.69 41.76 83.26 Automatic
IU WCI P 03:05:44.7 0.21 38.5 85.43 Automatic
IU WVT P 03:05:48.69 -0.07 40.72 86.43 Automatic