This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.4 mb
Local datetime 2017/07/30 21:45
Universal datetime 2017/07/30 12:45
Latitude 36.49 ° ± 6 km
Longitude 143.77 ° ± 4 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  373 8.336599e+06
Yokohama  394 3.574443e+06
Kawasaki  381 1.306785e+06
Sendai  315 1.037562e+06
Hachiōji  411 579399
Utsunomiya  349 449865
Iwaki  264 357309
Kōriyama  319 340560
Kawagoe  390 337931
Morioka  427 295172
Fukushima  324 294237
Maebashi  421 282711
Yamagata  364 254538
Mito  295 246538
Tsuruoka  426 99820

Past seismicity

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

Event details

Parameters

Evaluation status
RMS 1.7
Azimuthal gap 156.36 °
Number of stations used 36
Number of phases used 36

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 12:46:12.67 -3.09 272.37 4.47 Automatic
II ERM P 12:46:28.77 -1.48 355.3 5.55 Automatic
IU YSS P 12:47:38.15 0.04 356.22 10.5 Automatic
IU INCN P 12:48:23.32 0.63 279.28 13.71 Automatic
IU PET P 12:49:37.45 1.99 27.51 19.54 Automatic
IU MA2 P 12:50:18.72 0.77 8.9 23.53 Automatic
IU YAK P 12:50:49.37 -0.56 345.44 27.01 Automatic
IU ULN P 12:51:12.2 2.48 304.57 29.15 Automatic
IU ADK P 12:51:32.52 0.2 48.36 31.73 Automatic
IU TIXI P 12:52:08.97 0.06 352.07 35.98 Automatic
IU MAKZ P 12:53:33.52 0.82 303.14 46.08 Automatic
II KDAK P 12:53:31.77 -1 41.53 46.1 Automatic
II KAPI P 12:53:41.82 2.6 213.55 47.19 Automatic
II KURK P 12:53:43.32 -1.33 308.93 47.61 Automatic
IU COLA P 12:53:50.62 0.16 31.87 48.38 Automatic
II BRVK P 12:54:18.92 -0.89 313.19 52.22 Automatic
II AAK P 12:54:19.92 -0.22 299.53 52.26 Automatic
II NIL P 12:54:49.87 -0.68 289.65 56.43 Automatic
II LVZ P 12:55:40.27 3.48 336.51 63.13 Automatic
II OBN P 12:56:19.22 2.03 324.29 69.4 Automatic
II KIV P 12:56:35.42 -0.35 312.19 72.45 Automatic
II FFC P 12:56:36.67 -1.52 33.44 72.86 Automatic
IU SFJD P 12:56:55.37 -0.74 5.75 75.93 Automatic
IU KONO P 12:57:03.92 3.44 338.13 76.7 Automatic
II PFO P 12:57:03.62 -1.6 57.19 77.56 Automatic
IU RSSD P 12:57:09.77 -1.88 42.67 78.7 Automatic
IU ANTO P 12:57:21.94 -0.95 313.44 80.77 Automatic
IU TUC P 12:57:28.27 -1.74 55.32 82.13 Automatic
II RAYN P 12:57:29.72 -1.8 293.75 82.45 Automatic
IU ANMO P 12:57:34.42 -1.39 50.96 83.24 Automatic
II ESK P 12:57:39.32 -0.2 341.83 83.95 Automatic
II BFO P 12:57:50.2 -1.59 332.13 86.36 Automatic
IU CCM P 12:58:05.57 -2.33 40.17 89.79 Automatic
IU WCI P 12:58:20.47 1.62 37.07 92.15 Automatic
IU WVT P 12:58:24.97 2.09 39.33 93.02 Automatic
IU SSPA P 12:58:30.2 2.91 30.37 93.93 Automatic