This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.1 mb
Local datetime 2015/01/20 07:34
Universal datetime 2015/01/19 22:34
Latitude 37.38 ° ± 5 km
Longitude 138.30 ° ± 6 km
Depth 166 km (from location) ± 5 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  88 505272
Kanazawa  174 458937
Utsunomiya  168 449865
Nagano  82 360176
Kōriyama  184 340560
Kawagoe  194 337931
Toyama  122 325532
Fukushima  196 294237
Maebashi  130 282711
Yamagata  203 254538
Matsumoto  130 210667
Nagaoka  50 195318
Kōfu  194 190000
Takaoka  140 170077
Tsuruoka  198 99820

Past seismicity

  This map shows only the 2 most significant earthquakes around this event.

Event details

Parameters

Evaluation status
RMS 0.69
Azimuthal gap 101.07 °
Number of stations used 21
Number of phases used 21

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 22:35:14.87 0.47 185.35 0.84 Automatic
II ERM P 22:36:15.12 0.29 37.36 5.95 Automatic
IU YSS P 22:37:08.60 -1.3 17.57 10.12 Automatic
IU MA2 P 22:39:45.2 0.76 15.85 23.59 Automatic
IU ULN P 22:39:57.62 -0.3 304.7 25.04 Automatic
IU YAK P 22:39:58.85 -0.19 350.5 25.22 Automatic
II TLY P 22:40:25.82 0.01 311.66 28.16 Automatic
IU TIXI P 22:41:21.32 -0.41 354.78 34.59 Automatic
IU CHTO P 22:41:58.9 -0.8 252.6 38.98 Automatic
IU MAKZ P 22:42:23.24 -0.22 301.49 41.91 Automatic
II KURK P 22:42:36.77 -0.47 307.6 43.62 Automatic
II AAK P 22:43:12.2 0.44 297.33 47.99 Automatic
II BRVK P 22:43:14.77 0.14 311.81 48.39 Automatic
II NIL P 22:43:42.42 0.6 286.74 52 Automatic
II WRAB P 22:44:16.37 -1.45 184.4 57.44 Automatic
II OBN P 22:45:18.95 0 322.22 66.07 Automatic
II MSVF P 22:45:20.57 0.7 138.43 66.62 Automatic
II KIV P 22:45:35.22 0.55 309.68 68.56 Automatic
IU GNI P 22:45:40.62 1.52 305.35 69.28 Automatic
II FFC P 22:46:10.17 0.22 31.37 74.44 Automatic
II BFO P 22:46:58.37 -0.55 329.15 83.44 Automatic