This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.2 mb
Local datetime 2023/12/21 23:04
Universal datetime 2023/12/21 14:04
Latitude 35.31 ° ± 4 km
Longitude 140.88 ° ± 5 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  111 8.336599e+06
Yokohama  117 3.574443e+06
Kawasaki  110 1.306785e+06
Shizuoka  230 701561
Hachiōji  146 579399
Utsunomiya  165 449865
Nagano  286 360176
Iwaki  194 357309
Kōriyama  237 340560
Kawagoe  143 337931
Fukushima  272 294237
Maebashi  203 282711
Mito  123 246538
Matsumoto  283 210667
Kōfu  212 190000

Past seismicity

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

Event details

Parameters

Evaluation status
RMS 1.56
Azimuthal gap 114.06 °
Number of stations used 32
Number of phases used 32

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 14:05:58.17 2.86 14.14 6.93 Automatic
IU YSS P 14:07:01.20 0.19 6.32 11.73 Automatic
IU PET P 14:09:05.84 0.99 29.77 21.69 Automatic
IU GUMO P 14:09:10.54 3.16 169.62 22.02 Automatic
IU MA2 P 14:09:38.22 -0.41 11.83 25.11 Automatic
IU YAK P 14:10:00.42 -1.06 348.67 27.63 Automatic
IU ULN P 14:10:04.62 -0.11 307.15 27.94 Automatic
IU BILL P 14:11:11.44 -1.81 16 35.79 Automatic
IU TIXI P 14:11:21.34 -1.04 353.72 36.86 Automatic
IU CHTO P 14:11:53.9 0.43 257.19 40.45 Automatic
IU MAKZ P 14:12:28.24 -0.07 303.68 44.78 Automatic
II KAPI P 14:12:26.89 -0.62 210.55 44.95 Automatic
IU PMG P 14:12:26.47 -1.82 171.24 45.11 Automatic
II KURK P 14:12:41.64 -0.61 309.46 46.54 Automatic
II KDAK P 14:12:57.59 -0.09 40.74 48.53 Automatic
IU COLA P 14:13:14.84 1.36 31.35 50.61 Automatic
II AAK P 14:13:15.27 0.06 299.57 50.8 Automatic
II WRAB P 14:13:43.87 -3.47 187.44 55.59 Automatic
IU MBWA P 14:14:21.32 3.27 202.88 59.93 Automatic
IU COR P 14:15:28.2 2.98 49.06 69.7 Automatic
II KIV P 14:15:36.72 0.75 311.29 71.49 Automatic
II UOSS P 14:15:39.39 1.8 288.13 71.8 Automatic
IU GNI P 14:15:41.82 1.69 307.03 72.18 Automatic
II FFC P 14:15:55.89 -1.5 32.13 75.11 Automatic
IU KIEV P 14:15:56.37 -1.16 322.48 75.13 Automatic
II PFO P 14:16:24.42 -1.07 55.56 80.15 Automatic
II RAYN P 14:16:27.59 -0.99 292.35 80.76 Automatic
IU RSSD P 14:16:30.4 -0.79 41.15 81.14 Automatic
IU TUC P 14:16:48.32 -0.98 53.68 84.72 Automatic
IU ANMO P 14:16:54.7 -0.61 49.33 85.79 Automatic
II BFO P 14:16:56.97 -0.2 330.61 86.28 Automatic
IU CCM P 14:17:23.92 -1.1 38.46 92.19 Automatic