This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5 mb
Local datetime 2025/03/28 03:50
Universal datetime 2025/03/27 18:50
Latitude 35.30 ° ± 8 km
Longitude 140.41 ° ± 9 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  74 8.336599e+06
Yokohama  75 3.574443e+06
Kawasaki  69 1.306785e+06
Shizuoka  188 701561
Hamamatsu  253 605098
Hachiōji  107 579399
Utsunomiya  147 449865
Nagano  252 360176
Iwaki  200 357309
Kōriyama  234 340560
Kawagoe  108 337931
Maebashi  172 282711
Mito  119 246538
Matsumoto  244 210667
Kōfu  171 190000

Past seismicity

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

Event details

Parameters

Evaluation status
RMS 0.63
Azimuthal gap 174.56 °
Number of stations used 11
Number of phases used 11

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 18:51:12.29 0.65 305.53 2.18 Automatic
IU MA2 P 18:56:01.77 0.8 12.35 25.2 Automatic
IU YAK P 18:56:22.22 -0.21 349.12 27.57 Automatic
IU TIXI P 18:57:43.2 -0.62 353.96 36.84 Automatic
II KURK P 18:59:00.32 -1.17 309.43 46.25 Automatic
II AAK P 18:59:34.17 -0.07 299.46 50.48 Automatic
II WRAB P 19:00:08.49 0.1 186.91 55.53 Automatic
II ALE P 19:00:54.32 0.08 3.29 61.66 Automatic
II KIV P 19:01:56.77 0.99 311.11 71.21 Automatic
IU KIEV P 19:02:17.7 -0.66 322.29 74.91 Automatic
II RAYN P 19:02:48.32 0.11 292.11 80.41 Automatic