This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.2 mb
Local datetime 2023/08/11 22:20
Universal datetime 2023/08/11 13:20
Latitude 38.58 ° ± 7 km
Longitude 142.67 ° ± 12 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
Sendai  148 1.037562e+06
Niigata  326 505272
Utsunomiya  335 449865
Iwaki  231 357309
Kōriyama  239 340560
Akita  256 320069
Aomori  300 298394
Morioka  183 295172
Fukushima  214 294237
Yamagata  208 254538
Mito  313 246538
Hachinohe  235 239046
Hirosaki  290 174972
Sakata  248 100446
Tsuruoka  247 99820

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 1.54
Azimuthal gap 183.08 °
Number of stations used 9
Number of phases used 9

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
II ERM P 13:20:58.37 1.49 6.03 3.45 Automatic
IU MAJO P 13:21:08.47 2.79 241.46 4.08 Automatic
IU YAK P 13:25:25.62 0.65 345.43 24.76 Automatic
IU CHTO P 13:27:58.47 -1.29 255.07 42.62 Automatic
IU MAKZ P 13:28:13.47 0.13 301.17 44.23 Automatic
II KURK P 13:28:22.62 -1.88 307.21 45.63 Automatic
II AAK P 13:28:59.97 -2.25 297.73 50.49 Automatic
II WRAB P 13:30:00.59 -0.4 189.12 59.03 Automatic
II KIV P 13:31:19.52 0.75 311.19 70.41 Automatic