This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.1 mb
Local datetime 2023/01/25 10:00
Universal datetime 2023/01/25 01:00
Latitude 37.52 ° ± 4 km
Longitude 141.57 ° ± 5 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
Sendai  98 1.037562e+06
Niigata  227 505272
Utsunomiya  185 449865
Iwaki  79 357309
Kōriyama  106 340560
Kawagoe  257 337931
Morioka  247 295172
Fukushima  100 294237
Maebashi  255 282711
Yamagata  138 254538
Mito  160 246538
Nagaoka  240 195318
Sakata  217 100446
Tsuruoka  201 99820

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 1.68
Azimuthal gap 118.54 °
Number of stations used 27
Number of phases used 27

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 01:01:35.92 4.11 251.14 2.86 Automatic
II ERM P 01:01:56.67 0.23 14.67 4.66 Automatic
IU YSS P 01:03:03.55 0.98 4.94 9.48 Automatic
IU PET P 01:05:15.32 1.7 31.93 19.51 Automatic
IU MA2 P 01:05:48.12 -1.16 12.04 22.83 Automatic
IU YAK P 01:06:14.27 -1.19 347.08 25.59 Automatic
IU ULN P 01:06:29.47 -0.25 303.49 27.12 Automatic
II TLY P 01:06:55.59 -0.07 310.41 30.03 Automatic
IU BILL P 01:07:28.52 2.53 16.54 33.52 Automatic
IU MAKZ P 01:08:53.72 -1.12 301.89 44.05 Automatic
II KURK P 01:09:05.62 -1.54 307.87 45.59 Automatic
II AAK P 01:09:42.52 -0.65 298.17 50.22 Automatic
IU CTAO P 01:10:34.69 -0.46 174.8 57.77 Automatic
II WRAB P 01:10:34.52 -1.2 188.01 57.85 Automatic
IU MBWA P 01:11:04.82 -0.81 203.1 62.17 Automatic
II OBN P 01:11:43.19 -0.63 323.29 67.53 Automatic
II KIV P 01:12:01.42 -0.61 311 70.46 Automatic
IU GNI P 01:12:11.22 4.06 306.75 71.3 Automatic
II FFC P 01:12:15.92 -1.2 32.74 72.95 Automatic
IU KIEV P 01:12:19.47 -2.19 322.39 73.72 Automatic
II PFO P 01:12:51.67 3.1 56.25 78.46 Automatic
IU ANTO P 01:12:49.57 -0.88 312.2 78.79 Automatic
IU RSSD P 01:12:51.29 -0.99 41.74 79.12 Automatic
IU TUC P 01:13:13.67 0.95 54.24 82.97 Automatic
IU ANMO P 01:13:17.79 0.08 49.86 83.94 Automatic
II BFO P 01:13:19.67 -1.61 330.89 84.62 Automatic
IU CCM P 01:13:46.54 -1.2 38.85 90.12 Automatic