This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.6 mb
Local datetime 2017/09/23 08:49
Universal datetime 2017/09/22 23:49
Latitude 31.51 ° ± 4 km
Longitude 141.03 ° ± 5 km
Depth 64 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
Tokyo  479 8.336599e+06
Yokohama  455 3.574443e+06
Nagoya  557 2.191279e+06
Kawasaki  463 1.306785e+06
Shizuoka  458 701561
Hamamatsu  470 605098
Hachiōji  487 579399
Utsunomiya  570 449865
Gifu  588 397714
Kawagoe  510 337931
Maebashi  571 282711
Mito  542 246538
Matsumoto  596 210667
Kōfu  512 190000
Tsu  551 163461

Past seismicity

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

Event details

Parameters

Evaluation status
RMS 1.78
Azimuthal gap 114.48 °
Number of stations used 29
Number of phases used 29

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 23:50:55.32 0.34 335.88 5.55 Automatic
II ERM P 23:52:00.97 -3.44 8.6 10.65 Automatic
IU INCN P 23:52:44.77 4.14 300.67 13.27 Automatic
IU YSS P 23:53:08.70 -0.77 4.43 15.51 Automatic
IU GUMO P 23:53:40.74 -1.9 168 18.26 Automatic
IU TATO P 23:53:46.87 2 254.06 18.37 Automatic
IU PET P 23:54:54.65 1.79 25.52 25.01 Automatic
IU ULN P 23:55:41.52 -0.57 312.33 30.47 Automatic
IU YAK P 23:55:50.2 0.29 349.8 31.39 Automatic
IU MAKZ P 23:57:59.42 -1.61 306.71 47.07 Automatic
II KURK P 23:58:14.72 -2.09 312.08 49.11 Automatic
II WRAB P 23:58:31.27 -3.22 187.98 51.84 Automatic
IU CTAO P 23:58:37.57 3.08 173.75 51.84 Automatic
II AAK P 23:58:43.92 -1.18 302.17 52.86 Automatic
IU COLA P 23:58:53.97 2.1 29.85 53.82 Automatic
II BRVK P 23:58:52.57 -1.37 315.52 54.08 Automatic
IU KBS P 00:00:15.27 0.72 350.59 65.83 Automatic
II LVZ P 00:00:21.17 0.22 336.88 66.81 Automatic
IU KEV P 00:00:29.92 -0.25 340.11 68.27 Automatic
II OBN P 00:00:52.87 -1.06 324.41 72.13 Automatic
II UOSS P 00:00:58.37 -1.45 289.33 73.13 Automatic
II KIV P 00:01:05.47 -0.26 312.22 74.11 Automatic
IU GNI P 00:01:08.92 0.38 307.99 74.6 Automatic
II FFC P 00:01:29.77 0.39 31.7 78.28 Automatic
IU KONO P 00:01:41.87 0.7 337.41 80.45 Automatic
IU ANTO P 00:01:51.94 -0.18 312.67 82.52 Automatic
IU TUC P 00:02:17.4 3.02 53.53 86.88 Automatic
II ESK P 00:02:20.37 1.28 340.56 87.93 Automatic
II BFO P 00:02:26.12 -1.09 330.75 89.65 Automatic