This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 6 Mwp
Local datetime 2017/09/21 01:37
Universal datetime 2017/09/20 16:37
Latitude 38.02 ° ± 3 km
Longitude 144.59 ° ± 3 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  314 1.037562e+06
Niigata  488 505272
Utsunomiya  449 449865
Iwaki  344 357309
Kōriyama  377 340560
Akita  433 320069
Aomori  456 298394
Morioka  354 295172
Fukushima  364 294237
Yamagata  375 254538
Mito  408 246538
Hachinohe  381 239046
Hirosaki  454 174972
Sakata  425 100446
Tsuruoka  423 99820

Past seismicity

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

Event details

Parameters

Evaluation status
RMS 1.06
Azimuthal gap 29.43 °
Number of stations used 54
Number of phases used 54

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 16:38:19.7 -1.27 345.07 4.14 Automatic
IU MAJO P 16:38:36.42 0.03 255.73 5.29 Automatic
IU YSS P 16:39:26.85 -0.66 352.02 9.03 Automatic
IU INCN P 16:40:38.52 -0.15 273.34 14.19 Automatic
IU PET P 16:41:26.55 0.59 28.43 17.87 Automatic
IU MA2 P 16:42:10.67 0.19 8.4 21.91 Automatic
IU TATO P 16:42:26.27 -1.15 243.01 23.52 Automatic
IU YAK P 16:42:47.2 -0.52 343.84 25.7 Automatic
IU WAKE P 16:42:56.77 -0.55 128.17 26.81 Automatic
IU ULN P 16:43:17.2 0.7 302.11 28.85 Automatic
IU MIDW P 16:43:53.64 0.13 95.79 33.08 Automatic
IU TIXI P 16:44:05.67 -0.39 351.34 34.56 Automatic
II KDAK P 16:45:28.34 -1.29 42.56 44.52 Automatic
IU TARA P 16:45:32.37 1.06 137.81 44.95 Automatic
IU MAKZ P 16:45:39.77 -0.16 302.04 45.8 Automatic
IU COLA P 16:45:46.64 -0.4 32.61 46.73 Automatic
II KURK P 16:45:50.12 -0.5 307.94 47.16 Automatic
II KAPI P 16:46:02.27 1 213.77 48.83 Automatic
II BRVK P 16:46:25.12 0.11 312.46 51.66 Automatic
IU KIP P 16:46:28.17 3.36 91.55 51.68 Automatic
II AAK P 16:46:28.62 0.4 298.74 52.08 Automatic
IU POHA P 16:46:46.62 0.8 91.74 54.53 Automatic
IU CTAO P 16:47:07.47 -1.25 178.16 58.13 Automatic
II WRAB P 16:47:10.62 -2.47 191.26 58.75 Automatic
IU KBS P 16:47:24.32 0.29 350.59 59.87 Automatic
II LVZ P 16:47:38.77 0.24 336.38 61.99 Automatic
IU KEV P 16:47:46.12 -0.17 339.9 63.15 Automatic
IU MBWA P 16:47:44.97 -1.45 205.95 63.63 Automatic
IU XMAS P 16:47:50.42 0.2 109.41 63.92 Automatic
II MSVF P 16:47:50.22 0.92 144.25 64.01 Automatic
IU AFI P 16:48:02.97 -0.26 132.89 66.09 Automatic
II OBN P 16:48:21.32 0.11 324.24 68.54 Automatic
II FFC P 16:48:36.77 -0.98 34.03 71.22 Automatic
II KIV P 16:48:42.97 1.08 312.18 71.91 Automatic
IU GNI P 16:48:49.77 2 308 72.89 Automatic
IU SFJD P 16:48:55.67 -0.64 6.11 74.34 Automatic
IU KONO P 16:49:03.12 -0.02 338.34 75.51 Automatic
II PFO P 16:49:06.2 -0.81 57.91 76.18 Automatic
II BORG P 16:49:11.57 2.04 353.88 76.63 Automatic
IU RSSD P 16:49:11.17 -1.14 43.29 77.13 Automatic
IU ANTO P 16:49:31.64 2.5 313.68 80.19 Automatic
IU TUC P 16:49:31.29 -0.64 55.96 80.73 Automatic
II TAU P 16:49:30.52 1.02 177.98 80.97 Automatic
IU ANMO P 16:49:37.37 -0.15 51.57 81.77 Automatic
II ESK P 16:49:42.62 0.17 342.2 82.69 Automatic
IU SNZO P 16:49:45.12 -0.24 157.73 83.96 Automatic
II BFO P 16:49:55.27 -0.51 332.54 85.31 Automatic
IU SLBS P 16:50:03.2 -0.03 62.12 86.84 Automatic
IU CCM P 16:50:08.22 -1.56 40.68 88.2 Automatic
IU WCI P 16:50:19.92 -0.79 37.55 90.53 Automatic
IU WVT P 16:50:23.77 -1.08 39.81 91.42 Automatic
IU HKT P 16:50:25.62 -0.3 48.92 91.67 Automatic
IU SSPA P 16:50:30.32 1.46 30.86 92.28 Automatic
IU PAB P 16:50:53.22 1.15 336.35 97.36 Automatic