This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.2 mb
Local datetime 2021/12/12 12:30
Universal datetime 2021/12/12 03:30
Latitude 35.52 ° ± 7 km
Longitude 139.76 ° ± 5 km
Depth 10 km (from location) ± 0.0 km

Have you felt an earthquake ?

You can participate to science by bringing your testimony.

Testify !
See the seismogram of this event.

Near cities

This table shows only the most populated cities around the epicenter.
Name Distance (km) Population
Tokyo  19 8.336599e+06
Yokohama  17 3.574443e+06
Kawasaki  5 1.306785e+06
Shizuoka  138 701561
Hamamatsu  205 605098
Hachiōji  42 579399
Utsunomiya  115 449865
Nagano  191 360176
Iwaki  198 357309
Kōriyama  217 340560
Kawagoe  51 337931
Maebashi  115 282711
Mito  115 246538
Matsumoto  180 210667
Kōfu  108 190000

Past seismicity

  This map shows only the 0 most significant earthquakes around this event.

Event details

Parameters

Evaluation status
RMS 1.93
Azimuthal gap 201.02 °
Number of stations used 22
Number of phases used 22

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 03:31:21.7 2.62 309.67 1.63 Automatic
II ERM P 03:32:32.32 -0.33 21.13 7.01 Automatic
IU YSS P 03:33:33.90 -2.33 10.18 11.66 Automatic
IU ULN P 03:36:33.52 0.23 307.25 27.09 Automatic
IU YAK P 03:36:31.67 -2.66 349.68 27.26 Automatic
II TLY P 03:37:02.82 1.06 313.56 30.29 Automatic
IU CHTO P 03:38:15.59 -6.28 256.05 39.61 Automatic
IU MAKZ P 03:38:58.42 0.91 303.37 43.9 Automatic
II KURK P 03:39:11.24 -0.61 309.21 45.7 Automatic
II AAK P 03:39:45.77 1.15 299.14 49.91 Automatic
II ALE P 03:41:06.77 -0.91 3.2 61.47 Automatic
II OBN P 03:41:51.47 -0.82 323.17 68.27 Automatic
II UOSS P 03:42:09.72 1.56 287.51 70.86 Automatic
IU GNI P 03:42:12.97 1.78 306.51 71.33 Automatic
IU KIEV P 03:42:28.47 -1.08 321.99 74.41 Automatic
II FFC P 03:42:34.82 -0.57 31.71 75.42 Automatic
IU ANTO P 03:42:56.59 0.88 311.6 79.04 Automatic
II RAYN P 03:43:00.82 1 291.73 79.84 Automatic
II PFO P 03:43:06.64 1.53 55.03 80.79 Automatic
IU TUC P 03:43:30.17 1.59 53.09 85.33 Automatic
II BFO P 03:43:29.62 -0.64 330.01 85.65 Automatic
IU ANMO P 03:43:35.54 1.91 48.73 86.35 Automatic