This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.2 mb
Local datetime 2023/09/23 01:33
Universal datetime 2023/09/22 16:33
Latitude 31.08 ° ± 5 km
Longitude 141.68 ° ± 6 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  542 8.336599e+06
Yokohama  520 3.574443e+06
Nagoya  634 2.191279e+06
Kawasaki  527 1.306785e+06
Shizuoka  531 701561
Hamamatsu  547 605098
Hachiōji  553 579399
Utsunomiya  629 449865
Gifu  665 397714
Iwaki  667 357309
Kawagoe  574 337931
Maebashi  637 282711
Mito  597 246538
Kōfu  583 190000
Tsu  629 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 114.39 °
Number of stations used 18
Number of phases used 18

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 16:37:04.0 1.42 2.69 15.9 Automatic
IU GUMO P 16:37:25.67 0.46 169.77 17.73 Automatic
IU TATO P 16:37:39.57 0.69 256.06 18.8 Automatic
IU ULN P 16:39:38.92 0.39 312.57 31.17 Automatic
IU YAK P 16:39:44.27 -0.31 349.37 31.92 Automatic
II TLY P 16:40:10.64 2.32 317.7 34.59 Automatic
IU CHTO P 16:40:55.84 -1.54 262.66 40.36 Automatic
IU MAKZ P 16:41:56.34 -0.75 307.05 47.77 Automatic
II KURK P 16:42:11.47 -1.32 312.37 49.82 Automatic
II KDAK P 16:42:23.22 -1.2 38.48 51.36 Automatic
II COCO P 16:43:33.32 1.39 232 61.02 Automatic
II UOSS P 16:44:54.12 -0.7 289.74 73.8 Automatic
II KIV P 16:45:01.97 1.1 312.54 74.82 Automatic
IU KIEV P 16:45:22.12 -1.88 323.38 78.91 Automatic
II PFO P 16:45:40.89 0.31 55.39 82 Automatic
II RAYN P 16:45:44.52 -1.24 293.31 83.02 Automatic
IU ANTO P 16:45:47.57 0.65 313 83.22 Automatic
II BFO P 16:46:21.72 0.22 331.09 90.3 Automatic