This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.2 mb
Local datetime 2023/07/29 19:34
Universal datetime 2023/07/29 10:34
Latitude 37.51 ° ± 6 km
Longitude 138.75 ° ± 8 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
Niigata  53 505272
Utsunomiya  146 449865
Nagano  108 360176
Iwaki  197 357309
Kōriyama  145 340560
Kawagoe  188 337931
Toyama  162 325532
Fukushima  154 294237
Maebashi  127 282711
Yamagata  162 254538
Matsumoto  157 210667
Nagaoka  12 195318
Takaoka  181 170077
Sakata  184 100446
Tsuruoka  163 99820

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 2.39
Azimuthal gap 168.9 °
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 10:34:36.37 1.21 204.45 1.05 Automatic
II ERM P 10:35:39.37 0.31 35.55 5.64 Automatic
IU YSS P 10:36:41.65 4.16 16.12 9.9 Automatic
IU MA2 P 10:39:21.37 -2.58 15.42 23.38 Automatic
IU YAK P 10:39:41.82 1.24 349.99 25.16 Automatic
IU ULN P 10:39:43.47 1.46 304.33 25.27 Automatic
IU MAKZ P 10:42:08.34 -0.18 301.44 42.15 Automatic
II KURK P 10:42:21.77 -0.37 307.55 43.83 Automatic
II AAK P 10:43:00.27 3.16 297.35 48.25 Automatic
IU COLA P 10:43:08.79 1.11 32.27 49.64 Automatic
II ALE P 10:44:16.7 -3.58 3.12 59.53 Automatic
II KIV P 10:45:18.97 -1.65 309.82 68.76 Automatic
IU KIEV P 10:45:38.32 -4.27 321.21 72.35 Automatic