This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.1 mb
Local datetime 2015/04/16 04:55
Universal datetime 2015/04/15 19:55
Latitude 39.38 ° ± 5 km
Longitude 143.69 ° ± 7 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  262 1.037562e+06
Iwaki  356 357309
Kōriyama  363 340560
Akita  311 320069
Aomori  300 298394
Morioka  223 295172
Fukushima  335 294237
Hakodate  366 275730
Yamagata  317 254538
Hachinohe  222 239046
Hirosaki  305 174972
Obihiro  396 173890
Sakata  336 100446
Tsuruoka  342 99820
Muroran  401 96197

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 0.93
Azimuthal gap 147.07 °
Number of stations used 23
Number of phases used 23

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 19:55:43.2 -0.43 351.48 2.66 Automatic
IU MAJO P 19:56:18.7 0.02 238.44 5.17 Automatic
IU YSS P 19:56:52.60 1.28 355.21 7.61 Automatic
IU MA2 P 19:59:41.22 0.54 10.18 20.68 Automatic
IU TATO P 20:00:10.17 -1 238.94 23.56 Automatic
IU YAK P 20:00:16.7 -1.21 343.92 24.2 Automatic
IU ULN P 20:00:47.87 -0.2 300.05 27.55 Automatic
II TLY P 20:01:11.47 0.24 307.42 30.15 Automatic
IU BILL P 20:01:20.57 -0.1 16.17 31.26 Automatic
IU TIXI P 20:01:36.37 -0.52 351.52 33.11 Automatic
IU CHTO P 20:03:04.52 -0.52 255.1 43.59 Automatic
IU MAKZ P 20:03:12.54 -0.38 300.69 44.5 Automatic
II BRVK P 20:03:57.27 -0.35 311.46 50.22 Automatic
II AAK P 20:04:01.77 -0.38 297.49 50.82 Automatic
II NIL P 20:04:36.72 0.5 287.77 55.44 Automatic
II WRAB P 20:05:06.32 1.52 190.14 59.95 Automatic
II OBN P 20:05:55.60 0.53 323.58 67.02 Automatic
II KIV P 20:06:17.27 0.66 311.43 70.47 Automatic
II FFC P 20:06:17.67 0.97 33.94 70.48 Automatic
IU GNI P 20:06:24.12 1.27 307.23 71.51 Automatic
II UOSS P 20:06:28.97 -0.43 288.37 72.64 Automatic
IU RSSD P 20:06:50.7 -2.77 43.06 76.62 Automatic
II BFO P 20:07:32.22 0.76 331.97 83.78 Automatic