This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.1 mb
Local datetime 2021/12/08 16:22
Universal datetime 2021/12/08 07:22
Latitude 37.78 ° ± 5 km
Longitude 141.66 ° ± 5 km
Depth 65 km (from location) ± 6 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  80 1.037562e+06
Niigata  231 505272
Utsunomiya  209 449865
Iwaki  105 357309
Kōriyama  120 340560
Kawagoe  283 337931
Akita  254 320069
Morioka  220 295172
Fukushima  105 294237
Maebashi  276 282711
Yamagata  129 254538
Mito  188 246538
Nagaoka  250 195318
Sakata  202 100446
Tsuruoka  190 99820

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 1.23
Azimuthal gap 124.98 °
Number of stations used 24
Number of phases used 24

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 07:23:04.12 -1.38 246.92 3.01 Automatic
II ERM P 07:23:23.82 -0.32 14.72 4.39 Automatic
IU YSS P 07:24:29.0 -1.08 4.71 9.22 Automatic
IU INCN P 07:25:10.87 3.66 273.17 11.9 Automatic
IU YAK P 07:27:40.22 -0.76 346.86 25.36 Automatic
IU ULN P 07:27:56.77 0.17 303.05 27.03 Automatic
II TLY P 07:28:22.17 -0.07 310.04 29.92 Automatic
IU CHTO P 07:30:01.89 -0.26 255.07 41.64 Automatic
IU MAKZ P 07:30:20.87 -0.66 301.68 43.97 Automatic
II KURK P 07:30:32.52 -1.09 307.68 45.49 Automatic
II AAK P 07:31:09.37 -0.52 298 50.16 Automatic
IU CTAO P 07:32:05.44 1.45 174.91 58.03 Automatic
II WRAB P 07:32:03.2 -1.63 188.08 58.12 Automatic
II ALE P 07:32:15.32 0.56 3.55 59.13 Automatic
IU MBWA P 07:32:33.32 -1.07 203.13 62.44 Automatic
II KIV P 07:33:28.97 0.85 310.97 70.34 Automatic
II UOSS P 07:33:35.12 -0.58 287.75 71.63 Automatic
II FFC P 07:33:42.84 0.47 32.82 72.7 Automatic
IU KIEV P 07:33:46.42 -1.05 322.38 73.56 Automatic
IU ANTO P 07:34:18.37 1.91 312.2 78.66 Automatic
II RAYN P 07:34:24.54 -1.07 292.4 80.4 Automatic
IU ANMO P 07:34:44.89 1.68 49.93 83.72 Automatic
II BFO P 07:34:46.82 -0.09 330.93 84.43 Automatic
IU CCM P 07:35:14.2 0.88 38.91 89.87 Automatic