This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.1 mb
Local datetime 2021/01/23 22:12
Universal datetime 2021/01/23 13:12
Latitude 37.44 ° ± 20 km
Longitude 141.25 ° ± 18 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
Tokyo  236 8.336599e+06
Kawasaki  253 1.306785e+06
Sendai  96 1.037562e+06
Niigata  202 505272
Utsunomiya  158 449865
Iwaki  53 357309
Kōriyama  77 340560
Kawagoe  231 337931
Fukushima  76 294237
Maebashi  226 282711
Yamagata  123 254538
Mito  137 246538
Nagaoka  211 195318
Sakata  205 100446
Tsuruoka  187 99820

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 0.88
Azimuthal gap 238.33 °
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
IU MAJO P 13:12:51.52 0.65 250.73 2.59 Automatic
IU MA2 P 13:17:13.62 0.23 12.4 22.96 Automatic
IU YAK P 13:17:38.27 -0.09 347.43 25.61 Automatic
IU ULN P 13:17:52.32 1.4 303.7 26.95 Automatic
II TLY P 13:18:17.62 0.5 310.6 29.89 Automatic
IU MAKZ P 13:20:15.62 -0.54 301.9 43.87 Automatic
II KURK P 13:20:27.59 -1.07 307.89 45.44 Automatic
II AAK P 13:21:04.2 -0.45 298.13 50.03 Automatic
II NIL P 13:21:35.22 -0.4 287.97 54.22 Automatic
II ALE P 13:22:14.17 1.21 3.48 59.48 Automatic
II KIV P 13:23:24.22 0.33 310.88 70.31 Automatic
IU KIEV P 13:23:42.7 -1.77 322.27 73.63 Automatic