This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.4 mb
Local datetime 2020/12/16 00:35
Universal datetime 2020/12/15 15:35
Latitude 39.72 ° ± 6 km
Longitude 142.98 ° ± 12 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
Sendai  233 1.037562e+06
Iwaki  348 357309
Kōriyama  342 340560
Akita  248 320069
Aomori  229 298394
Morioka  159 295172
Fukushima  310 294237
Hakodate  298 275730
Yamagata  281 254538
Hachinohe  151 239046
Hirosaki  234 174972
Tomakomai  347 174806
Sakata  284 100446
Tsuruoka  295 99820
Muroran  337 96197

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 1.47
Azimuthal gap 186.09 °
Number of stations used 12
Number of phases used 12

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 15:36:02.62 1.57 3.26 2.3 Automatic
IU MAJO P 15:36:37.67 0.46 231.28 4.92 Automatic
IU YSS P 15:37:10.80 1.89 358.8 7.24 Automatic
IU YAK P 15:40:34.32 -1.14 344.45 23.73 Automatic
IU ULN P 15:41:07.27 2.33 299.55 26.91 Automatic
IU TIXI P 15:41:53.87 -2.03 351.82 32.7 Automatic
IU MAKZ P 15:43:30.19 -0.22 300.22 43.85 Automatic
II KURK P 15:43:40.2 -0.68 306.36 45.14 Automatic
II NIL P 15:44:54.27 -0.08 287.2 54.82 Automatic
II WRAB P 15:45:30.12 1.03 189.35 60.2 Automatic
II KIV P 15:46:34.92 -0.44 311.02 69.84 Automatic
IU KIEV P 15:46:49.72 -2.68 322.6 72.64 Automatic