This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.4 mb
Local datetime 2021/09/21 19:19
Universal datetime 2021/09/21 10:19
Latitude 29.62 ° ± 4 km
Longitude 142.24 ° ± 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  712 8.336599e+06
Yokohama  690 3.574443e+06
Nagoya  792 2.191279e+06
Kawasaki  697 1.306785e+06
Shizuoka  697 701561
Hamamatsu  707 605098
Hachiōji  723 579399
Utsunomiya  800 449865
Gifu  824 397714
Iwaki  834 357309
Kawagoe  744 337931
Maebashi  807 282711
Mito  767 246538
Kōfu  752 190000
Tsu  781 163461

Past seismicity

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

Event details

Parameters

Evaluation status
RMS 1.56
Azimuthal gap 119.59 °
Number of stations used 28
Number of phases used 28

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 10:21:48.42 -1.32 335.07 7.71 Automatic
IU INCN P 10:23:35.62 3.45 305.29 15.17 Automatic
IU YSS P 10:23:55.85 -3.6 1.19 17.34 Automatic
IU TATO P 10:24:20.92 1.36 260.81 18.98 Automatic
IU ULN P 10:26:28.62 -0.35 314.03 32.52 Automatic
IU YAK P 10:26:34.87 -1.6 349.34 33.44 Automatic
II TLY P 10:27:00.47 1.45 318.85 36 Automatic
IU CHTO P 10:27:37.7 -1.59 264.71 40.68 Automatic
IU BILL P 10:27:41.57 0.74 13.5 41.01 Automatic
IU MAKZ P 10:28:44.39 -1.1 308.1 49.04 Automatic
IU CTAO P 10:28:48.99 0.14 175.06 49.86 Automatic
II WRAB P 10:28:49.32 -1.65 189.67 50.13 Automatic
II KURK P 10:29:00.99 -0.56 313.26 51.16 Automatic
II AAK P 10:29:28.37 0.07 303.53 54.76 Automatic
IU NWAO P 10:30:46.94 -0.99 202.69 66.88 Automatic
IU KBS P 10:30:59.27 2.28 350.89 67.86 Automatic
II OBN P 10:31:36.57 0.37 325.1 74.27 Automatic
II UOSS P 10:31:38.92 -0.07 290.36 74.75 Automatic
II KIV P 10:31:48.27 1.09 313.02 76.16 Automatic
II FFC P 10:32:06.47 1.63 31.95 79.33 Automatic
IU KIEV P 10:32:08.92 -1.59 323.75 80.38 Automatic
II PFO P 10:32:20.22 -1.21 55.47 82.44 Automatic
II RAYN P 10:32:28.84 -0.78 293.72 84.04 Automatic
IU ANTO P 10:32:32.79 0.4 313.36 84.57 Automatic
IU RSSD P 10:32:34.97 2.07 41.3 84.67 Automatic
IU ANMO P 10:32:53.87 1.74 49.81 88.61 Automatic
II BFO P 10:33:05.32 -1.78 331.37 91.81 Automatic
IU CCM P 10:33:27.22 1.4 39.51 95.89 Automatic