This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.1 mb
Local datetime 2023/08/28 02:03
Universal datetime 2023/08/27 17:03
Latitude 36.55 ° ± 20 km
Longitude 142.44 ° ± 20 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  260 8.336599e+06
Yokohama  284 3.574443e+06
Kawasaki  271 1.306785e+06
Sendai  230 1.037562e+06
Hachiōji  297 579399
Utsunomiya  230 449865
Iwaki  149 357309
Kōriyama  207 340560
Kawagoe  274 337931
Fukushima  219 294237
Maebashi  302 282711
Yamagata  268 254538
Mito  177 246538
Nagaoka  334 195318
Tsuruoka  332 99820

Past seismicity

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

Event details

Parameters

Evaluation status
RMS 1.17
Azimuthal gap 265.64 °
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
IU MAJO P 17:04:45.97 -0.22 271.21 3.4 Automatic
II ERM P 17:05:16.32 1.62 5.57 5.49 Automatic
IU YSS P 17:06:20.90 -1.22 1.21 10.41 Automatic
IU YAK P 17:09:31.47 -0.76 346.67 26.69 Automatic
IU ULN P 17:09:46.82 0.26 304.8 28.24 Automatic
IU MAKZ P 17:12:12.52 2.02 302.87 45.15 Automatic
II KURK P 17:12:21.57 -1.44 308.71 46.74 Automatic
II KIV P 17:15:16.62 0.71 311.62 71.62 Automatic
IU KIEV P 17:15:34.47 -0.96 322.93 74.91 Automatic