This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.5 mb
Local datetime 2023/09/19 04:32
Universal datetime 2023/09/18 19:32
Latitude 38.49 ° ± 4 km
Longitude 141.48 ° ± 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
Sendai  46 1.037562e+06
Niigata  223 505272
Utsunomiya  258 449865
Iwaki  168 357309
Kōriyama  154 340560
Akita  181 320069
Morioka  139 295172
Fukushima  122 294237
Yamagata  104 254538
Mito  252 246538
Hachinohe  224 239046
Nagaoka  257 195318
Hirosaki  246 174972
Sakata  149 100446
Tsuruoka  145 99820

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 1.39
Azimuthal gap 146.62 °
Number of stations used 37
Number of phases used 37

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 19:33:55.57 4.6 234.13 3.25 Automatic
II ERM P 19:34:00.42 2.65 19.46 3.75 Automatic
IU YSS P 19:35:05.90 2.69 5.92 8.52 Automatic
IU TATO P 19:37:51.7 0.74 237.17 21.63 Automatic
IU MA2 P 19:37:53.57 0.42 12.67 21.9 Automatic
IU YAK P 19:38:18.62 -1.91 346.7 24.63 Automatic
IU ULN P 19:38:38.87 0.59 301.89 26.53 Automatic
II TLY P 19:39:03.97 0.47 309.12 29.35 Automatic
IU BILL P 19:39:31.54 -0.33 17.02 32.61 Automatic
IU TIXI P 19:39:41.37 -0.54 352.89 33.76 Automatic
IU CHTO P 19:40:48.94 -0.1 254.14 41.7 Automatic
IU MAKZ P 19:41:03.57 -0.53 301 43.48 Automatic
II KURK P 19:41:14.62 -1.22 307.09 44.94 Automatic
IU COLA P 19:41:40.22 3.11 32.83 47.66 Automatic
II KAPI P 19:41:37.52 0.4 209.78 47.94 Automatic
II AAK P 19:41:52.67 -0.4 297.41 49.7 Automatic
II ALE P 19:42:57.27 0.57 3.55 58.42 Automatic
IU KBS P 19:43:01.9 0.31 350.04 59 Automatic
II LVZ P 19:43:12.97 1.32 335.57 60.56 Automatic
IU KEV P 19:43:20.7 -0.32 339.07 61.85 Automatic
II PALK P 19:43:25.59 0.09 256.84 62.75 Automatic
IU MBWA P 19:43:24.24 -1.04 202.81 63.04 Automatic
II OBN P 19:43:51.79 -0.65 323.01 66.71 Automatic
II KIV P 19:44:11.52 -0.1 310.69 69.76 Automatic
II UOSS P 19:44:19.64 -0.97 287.42 71.28 Automatic
II FFC P 19:44:25.19 -1.13 32.87 72.17 Automatic
IU KIEV P 19:44:28.57 -2.13 322.17 72.91 Automatic
IU SFJD P 19:44:36.92 -0.84 4.89 74.11 Automatic
IU NWAO P 19:44:38.34 -0.42 200.91 74.89 Automatic
IU ANTO P 19:44:59.87 -0.52 312 78.08 Automatic
IU RSSD P 19:45:01.74 -0.66 41.82 78.44 Automatic
II RAYN P 19:45:09.9 -1.52 292.18 80 Automatic
IU TUC P 19:45:24.34 0.43 54.29 82.46 Automatic
IU ANMO P 19:45:28.92 0.29 49.89 83.37 Automatic
II BFO P 19:45:29.57 -1.06 330.79 83.74 Automatic
IU CCM P 19:45:56.82 -1.43 38.8 89.4 Automatic
IU WVT P 19:46:12.19 -0.86 37.81 92.59 Automatic