This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.3 mb
Local datetime 2023/10/21 04:01
Universal datetime 2023/10/20 19:01
Latitude 30.90 ° ± 6 km
Longitude 141.59 ° ± 8 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  558 8.336599e+06
Yokohama  536 3.574443e+06
Nagoya  643 2.191279e+06
Kawasaki  543 1.306785e+06
Shizuoka  543 701561
Hamamatsu  557 605098
Hachiōji  568 579399
Utsunomiya  647 449865
Gifu  674 397714
Kawagoe  590 337931
Maebashi  653 282711
Mito  616 246538
Matsumoto  681 210667
Kōfu  597 190000
Tsu  636 163461

Past seismicity

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

Event details

Parameters

Evaluation status
RMS 1.3
Azimuthal gap 133.39 °
Number of stations used 16
Number of phases used 16

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 19:03:16.54 2.09 334.45 6.31 Automatic
IU YSS P 19:05:24.85 -2.56 2.89 16.09 Automatic
IU ULN P 19:08:02.2 0.48 312.83 31.24 Automatic
IU YAK P 19:08:07.47 -0.99 349.5 32.08 Automatic
II TLY P 19:08:32.52 1.06 317.91 34.67 Automatic
IU BILL P 19:09:15.34 -0.21 14.17 39.9 Automatic
IU CHTO P 19:09:16.99 -1.99 262.82 40.26 Automatic
IU TIXI P 19:09:26.39 -0.84 353.97 41.32 Automatic
II KURK P 19:10:34.64 -1.07 312.48 49.88 Automatic
II WRAB P 19:10:43.37 -0.25 188.72 51.3 Automatic
II AAK P 19:11:04.62 1 302.65 53.59 Automatic
II KIV P 19:13:25.42 1.74 312.55 74.88 Automatic
II FFC P 19:13:44.94 0.55 31.85 78.54 Automatic
IU KIEV P 19:13:46.57 -0.41 323.37 79.01 Automatic
II PFO P 19:14:05.69 1.78 55.33 82.17 Automatic
II RAYN P 19:14:07.82 -0.37 293.28 83.02 Automatic