This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5 mb
Local datetime 2025/04/07 09:52
Universal datetime 2025/04/07 00:52
Latitude 35.84 ° ± 7 km
Longitude 141.00 ° ± 7 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  114 8.336599e+06
Yokohama  134 3.574443e+06
Kawasaki  122 1.306785e+06
Shizuoka  256 701561
Hachiōji  152 579399
Utsunomiya  128 449865
Nagano  269 360176
Iwaki  135 357309
Kōriyama  182 340560
Kawagoe  136 337931
Fukushima  216 294237
Maebashi  184 282711
Mito  75 246538
Nagaoka  261 195318
Kōfu  219 190000

Past seismicity

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

Event details

Parameters

Evaluation status
RMS 1.38
Azimuthal gap 155.27 °
Number of stations used 15
Number of phases used 15

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 00:52:50.34 -1.22 288.11 2.36 Automatic
II ERM P 00:53:46.12 -0.71 14.57 6.39 Automatic
IU YSS P 00:54:51.85 -0.7 6.21 11.19 Automatic
IU MA2 P 00:57:33.57 0.94 11.93 24.57 Automatic
IU YAK P 00:57:57.22 1.33 348.36 27.13 Automatic
IU ULN P 00:58:03.62 2.14 306.3 27.7 Automatic
IU BILL P 00:59:07.24 -0.32 16.15 35.25 Automatic
IU TIXI P 00:59:15.79 -1.09 353.59 36.34 Automatic
IU MAKZ P 01:00:23.64 -1.87 303.25 44.56 Automatic
II KURK P 01:00:36.92 -2.18 309.07 46.27 Automatic
II AAK P 01:01:14.72 1.95 299.22 50.62 Automatic
II WRAB P 01:01:49.29 -0.84 187.52 56.13 Automatic
II KIV P 01:03:35.37 2.18 311.2 71.21 Automatic
II FFC P 01:03:53.57 0.15 32.25 74.61 Automatic
IU KIEV P 01:03:54.57 0.24 322.44 74.77 Automatic