This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5 mb
Local datetime 2023/09/20 07:17
Universal datetime 2023/09/19 22:17
Latitude 31.02 ° ± 5 km
Longitude 141.72 ° ± 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  549 8.336599e+06
Yokohama  527 3.574443e+06
Nagoya  641 2.191279e+06
Kawasaki  534 1.306785e+06
Shizuoka  538 701561
Hamamatsu  554 605098
Hachiōji  560 579399
Utsunomiya  636 449865
Gifu  672 397714
Iwaki  673 357309
Kawagoe  581 337931
Maebashi  644 282711
Mito  604 246538
Kōfu  590 190000
Tsu  636 163461

Past seismicity

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

Event details

Parameters

Evaluation status
RMS 1.15
Azimuthal gap 114.47 °
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 YSS P 22:21:33.20 -1 2.59 15.95 Automatic
IU GUMO P 22:21:56.19 0.79 169.87 17.67 Automatic
IU TATO P 22:22:10.97 0.94 256.26 18.82 Automatic
IU ULN P 22:24:10.37 0.37 312.62 31.23 Automatic
IU YAK P 22:24:17.7 1.03 349.36 31.98 Automatic
II TLY P 22:24:40.89 1.1 317.74 34.65 Automatic
IU BILL P 22:25:22.74 -0.05 14.15 39.75 Automatic
IU CHTO P 22:25:27.22 -1.31 262.75 40.39 Automatic
IU MAKZ P 22:26:27.84 -0.64 307.09 47.83 Automatic
II KURK P 22:26:43.4 -1.14 312.4 49.88 Automatic
IU CTAO P 22:26:50.59 -1.45 174.54 51.3 Automatic
II KDAK P 22:26:53.34 -2.17 38.45 51.39 Automatic
II AAK P 22:27:11.92 -0.39 302.6 53.62 Automatic
IU COLA P 22:27:16.22 1.81 29.66 53.94 Automatic
II KIV P 22:29:33.37 1.22 312.57 74.88 Automatic
II FFC P 22:29:51.34 -0.61 31.91 78.38 Automatic
IU KIEV P 22:29:53.52 -1.76 323.4 78.98 Automatic
II PFO P 22:30:10.72 -0.82 55.4 82.01 Automatic
II RAYN P 22:30:16.4 -0.91 293.33 83.07 Automatic
IU ANTO P 22:30:20.34 2.18 313.02 83.28 Automatic
IU RSSD P 22:30:21.87 0.47 41.17 83.9 Automatic
IU TUC P 22:30:36.9 0.83 53.84 86.69 Automatic
IU ANMO P 22:30:42.39 0.6 49.59 88.05 Automatic
IU CCM P 22:31:15.42 0.89 39.13 95.09 Automatic