This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.4 mb
Local datetime 2020/08/04 20:21
Universal datetime 2020/08/04 11:21
Latitude 34.24 ° ± 9 km
Longitude 140.09 ° ± 12 km
Depth 72 km (from location) ± 11 km

Have you felt an earthquake ?

You can participate to science by bringing your testimony.

Testify !
See the seismogram of this event.

Near cities

This table shows only the most populated cities around the epicenter.
Name Distance (km) Population
Tokyo  163 8.336599e+06
Yokohama  139 3.574443e+06
Nagoya  308 2.191279e+06
Kawasaki  147 1.306785e+06
Shizuoka  177 701561
Hamamatsu  223 605098
Hachiōji  172 579399
Utsunomiya  257 449865
Nagano  319 360176
Iwaki  321 357309
Kawagoe  194 337931
Maebashi  256 282711
Mito  239 246538
Matsumoto  294 210667
Kōfu  208 190000

Past seismicity

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

Event details

Parameters

Evaluation status
RMS 1.24
Azimuthal gap 174.39 °
Number of stations used 11
Number of phases used 11

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 11:22:19.7 -0.26 326.82 2.77 Automatic
IU MA2 P 11:27:04.37 -1.44 12.23 26.29 Automatic
IU ULN P 11:27:22.77 0.32 309.04 28.09 Automatic
IU YAK P 11:27:29.37 3.2 349.79 28.56 Automatic
IU MAKZ P 11:29:44.49 -0.35 304.49 44.84 Automatic
II KURK P 11:29:58.69 -1 310.18 46.72 Automatic
II AAK P 11:30:31.37 0.49 300.14 50.77 Automatic
II NIL P 11:30:57.92 0.48 289.68 54.36 Automatic
II WRAB P 11:30:55.32 0.38 186.63 54.45 Automatic
IU KIEV P 11:33:13.87 -1.65 322.33 75.59 Automatic
II RAYN P 11:33:42.69 -0.17 292.1 80.56 Automatic