This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5 mb
Local datetime 2023/12/22 10:46
Universal datetime 2023/12/22 01:46
Latitude 39.82 ° ± 6 km
Longitude 142.05 ° ± 8 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  191 1.037562e+06
Iwaki  323 357309
Kōriyama  304 340560
Akita  168 320069
Aomori  160 298394
Morioka  79 295172
Fukushima  268 294237
Hakodate  246 275730
Yamagata  227 254538
Hachinohe  88 239046
Hirosaki  158 174972
Tomakomai  318 174806
Sakata  214 100446
Tsuruoka  228 99820
Muroran  295 96197

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 2.19
Azimuthal gap 137.99 °
Number of stations used 14
Number of phases used 14

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 01:46:35.72 -4.91 20.55 2.35 Automatic
IU MAJO P 01:47:11.4 1.57 223.93 4.45 Automatic
IU YSS P 01:47:49.55 2.91 3.92 7.16 Automatic
IU ULN P 01:51:37.17 -0.45 299.5 26.23 Automatic
IU BILL P 01:52:25.9 3.43 17.33 31.21 Automatic
IU TIXI P 01:52:35.12 2.13 352.32 32.51 Automatic
IU CHTO P 01:53:57.54 0.06 253.24 42.49 Automatic
IU MAKZ P 01:54:02.44 -1.32 299.92 43.18 Automatic
II KURK P 01:54:11.94 -2.44 306.11 44.51 Automatic
II AAK P 01:54:54.17 0.68 296.6 49.5 Automatic
II WRAB P 01:56:06.17 -1.54 188.33 60.18 Automatic
II KIV P 01:57:11.42 1.05 310.57 69.24 Automatic
IU KIEV P 01:57:26.22 -1.87 322.17 72.13 Automatic
IU ANMO P 01:58:25.14 0.68 50.34 82.18 Automatic