This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.1 mb
Local datetime 2020/08/06 12:06
Universal datetime 2020/08/06 03:06
Latitude 37.45 ° ± 4 km
Longitude 138.70 ° ± 4 km
Depth 171 km (from location) ± 4 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
Niigata  60 505272
Utsunomiya  144 449865
Nagano  100 360176
Kōriyama  149 340560
Kawagoe  184 337931
Toyama  155 325532
Fukushima  160 294237
Maebashi  122 282711
Yamagata  169 254538
Mito  199 246538
Matsumoto  149 210667
Nagaoka  14 195318
Takaoka  174 170077
Sakata  192 100446
Tsuruoka  171 99820

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 1.16
Azimuthal gap 84.06 °
Number of stations used 33
Number of phases used 33

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 03:07:01.42 0.2 203.83 0.99 Automatic
II ERM P 03:07:56.92 -0.53 35.49 5.71 Automatic
IU INCN P 03:08:51.52 2.67 273.85 9.58 Automatic
IU YSS P 03:08:51.15 -2.39 16.21 9.97 Automatic
IU PET P 03:11:04.37 1.55 35.25 20.83 Automatic
IU MA2 P 03:11:27.77 -0.46 15.44 23.44 Automatic
IU ULN P 03:11:44.17 -1.09 304.45 25.27 Automatic
IU BILL P 03:13:03.72 -0.52 18 34.26 Automatic
IU CHTO P 03:13:46.34 -0.5 252.88 39.3 Automatic
IU MAKZ P 03:14:09.89 -0.77 301.49 42.14 Automatic
II KURK P 03:14:23.12 -1.09 307.59 43.83 Automatic
II KAPI P 03:14:38.34 -0.62 206.73 45.98 Automatic
II AAK P 03:14:59.2 0.24 297.39 48.24 Automatic
IU COLA P 03:15:11.9 1.27 32.25 49.71 Automatic
II NIL P 03:15:29.67 0.5 286.86 52.29 Automatic
II WRAB P 03:16:01.89 -1.8 184.84 57.53 Automatic
IU CTAO P 03:16:05.84 -0.99 171.63 57.98 Automatic
II ALE P 03:16:21.12 0.07 3.11 59.59 Automatic
IU KBS P 03:16:21.82 0.38 349.72 59.65 Automatic
IU KEV P 03:16:37.27 -0.42 338.65 62.03 Automatic
II MSVF P 03:17:05.7 1 138.8 66.46 Automatic
II UOSS P 03:17:25.17 -0.17 286.3 69.48 Automatic
IU GNI P 03:17:28.57 2.89 305.5 69.5 Automatic
IU COR P 03:17:28.82 2.38 48.8 69.62 Automatic
IU KIEV P 03:17:41.82 -1.19 321.2 72.37 Automatic
II FFC P 03:17:54.7 0.18 31.55 74.22 Automatic
II RAYN P 03:18:16.24 -0.59 290.81 78.34 Automatic
II PFO P 03:18:27.92 -0.1 54.74 80.38 Automatic
IU RSSD P 03:18:29.89 0.25 40.29 80.66 Automatic
II BFO P 03:18:43.82 -0.84 329.35 83.55 Automatic
IU TUC P 03:18:51.7 0 52.63 84.85 Automatic
IU ANMO P 03:18:55.94 0.59 48.24 85.71 Automatic
IU CCM P 03:19:23.2 -0.1 37.08 91.57 Automatic