This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.6 mb
Local datetime 2023/09/08 18:28
Universal datetime 2023/09/08 09:28
Latitude 38.94 ° ± 4 km
Longitude 141.96 ° ± 6 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  109 1.037562e+06
Niigata  279 505272
Iwaki  229 357309
Kōriyama  219 340560
Akita  183 320069
Aomori  235 298394
Morioka  113 295172
Fukushima  186 294237
Yamagata  161 254538
Mito  314 246538
Hachinohe  178 239046
Nagaoka  318 195318
Hirosaki  222 174972
Sakata  183 100446
Tsuruoka  187 99820

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 1.09
Azimuthal gap 151.06 °
Number of stations used 31
Number of phases used 31

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 09:29:38.42 1.5 16.09 3.21 Automatic
IU MAJO P 09:29:48.72 3.38 232.32 3.81 Automatic
IU YSS P 09:30:45.45 2.2 3.9 8.04 Automatic
IU MA2 P 09:33:34.7 -0.11 12.28 21.38 Automatic
IU TATO P 09:33:43.17 0.31 237.06 22.19 Automatic
IU YAK P 09:34:02.52 -1.45 345.96 24.28 Automatic
IU ULN P 09:34:26.62 0.96 301.04 26.62 Automatic
II TLY P 09:34:50.29 0.08 308.38 29.37 Automatic
IU BILL P 09:35:13.7 -0.68 16.96 32.07 Automatic
IU MAKZ P 09:36:51.7 -0.37 300.7 43.57 Automatic
II KURK P 09:37:01.49 -1.19 306.81 44.97 Automatic
II KDAK P 09:37:06.64 1.81 43.06 45.25 Automatic
II KAPI P 09:37:28.47 0.36 210.18 48.51 Automatic
II AAK P 09:37:40.52 -0.11 297.23 49.83 Automatic
II ALE P 09:38:39.92 -0.07 3.63 57.95 Automatic
IU KBS P 09:38:44.82 0.07 350.07 58.63 Automatic
II LVZ P 09:38:55.92 -0.6 335.58 60.32 Automatic
IU KEV P 09:39:04.52 -0.55 339.1 61.57 Automatic
IU MBWA P 09:39:13.94 -1.59 203.2 63.6 Automatic
II OBN P 09:39:37.39 -0.79 323.06 66.58 Automatic
II KIV P 09:39:57.97 -0.19 310.78 69.76 Automatic
IU GNI P 09:40:05.2 1.1 306.54 70.7 Automatic
II UOSS P 09:40:07.69 -0.85 287.55 71.5 Automatic
II FFC P 09:40:09.7 -0.34 33.14 71.59 Automatic
IU KIEV P 09:40:15.32 -1.23 322.3 72.79 Automatic
IU KONO P 09:40:23.42 0.35 337.13 73.89 Automatic
IU NWAO P 09:40:27.62 -0.88 201.27 75.44 Automatic
IU ANTO P 09:40:46.32 -0.53 312.18 78.06 Automatic
IU ANMO P 09:41:12.97 0.75 50.2 82.79 Automatic
II BFO P 09:41:15.57 -0.58 331.03 83.53 Automatic
IU CCM P 09:41:41.29 -0.77 39.1 88.82 Automatic