This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5 mb
Local datetime 2021/08/03 00:35
Universal datetime 2021/08/02 15:35
Latitude 36.33 ° ± 7 km
Longitude 141.65 ° ± 10 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  185 8.336599e+06
Yokohama  210 3.574443e+06
Kawasaki  196 1.306785e+06
Sendai  225 1.037562e+06
Hachiōji  222 579399
Utsunomiya  161 449865
Iwaki  106 357309
Kōriyama  165 340560
Kawagoe  199 337931
Fukushima  189 294237
Maebashi  231 282711
Yamagata  246 254538
Mito  105 246538
Nagaoka  278 195318
Kōfu  286 190000

Past seismicity

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

Event details

Parameters

Evaluation status
RMS 0.96
Azimuthal gap 206.91 °
Number of stations used 13
Number of phases used 13

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 15:36:18.37 0.84 275.57 2.78 Automatic
IU YSS P 15:38:06.0 0.46 4.11 10.67 Automatic
IU YAK P 15:41:11.42 -1.43 347.53 26.77 Automatic
IU ULN P 15:41:23.17 0.19 305.36 27.84 Automatic
II TLY P 15:41:50.37 0.6 311.91 30.86 Automatic
IU CHTO P 15:43:18.9 -0.53 256.66 41.28 Automatic
IU MAKZ P 15:43:46.77 -0.37 302.93 44.74 Automatic
II KAPI P 15:43:56.7 0.05 211.01 46.14 Automatic
II KURK P 15:43:58.67 -1.47 308.79 46.38 Automatic
II KIV P 15:46:55.7 1.21 311.34 71.29 Automatic
IU KIEV P 15:47:12.97 -1.2 322.63 74.71 Automatic
II BORG P 15:47:34.89 1.76 352.66 78.05 Automatic
II RAYN P 15:47:48.57 -0.1 292.61 80.95 Automatic