This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.1 mb
Local datetime 2015/02/23 04:43
Universal datetime 2015/02/22 19:43
Latitude 39.87 ° ± 5 km
Longitude 143.10 ° ± 5 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  252 1.037562e+06
Akita  259 320069
Aomori  229 298394
Morioka  170 295172
Fukushima  329 294237
Hakodate  292 275730
Yamagata  299 254538
Hachinohe  151 239046
Kushiro  361 183612
Hirosaki  237 174972
Tomakomai  335 174806
Obihiro  340 173890
Sakata  299 100446
Tsuruoka  311 99820
Muroran  328 96197

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 1.51
Azimuthal gap 134.08 °
Number of stations used 24
Number of phases used 24

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 19:44:11.92 0.92 1.07 2.14 Automatic
IU MAJO P 19:44:52.67 1.14 230.71 5.09 Automatic
IU YSS P 19:45:19.70 0.75 358.1 7.09 Automatic
IU PET P 19:47:33.5 1.23 33.71 16.89 Automatic
IU MA2 P 19:48:09.77 -1.3 11.24 20.29 Automatic
IU YAK P 19:48:43.60 -2.75 344.23 23.61 Automatic
IU ULN P 19:49:17.42 0.36 299.29 26.91 Automatic
II TLY P 19:49:41.22 1.1 306.84 29.5 Automatic
IU TIXI P 19:50:05.2 -1.75 351.72 32.56 Automatic
IU CHTO P 19:51:36.79 -0.44 254.1 43.29 Automatic
IU MAKZ P 19:51:42.24 -0.26 300.12 43.86 Automatic
II KURK P 19:51:51.87 -0.77 306.26 45.13 Automatic
IU COLA P 19:51:57.37 -0.58 33.57 45.81 Automatic
II BRVK P 19:52:27.7 -0.2 311.03 49.56 Automatic
II AAK P 19:52:31.92 -0.19 296.92 50.2 Automatic
II NIL P 19:53:07.37 0.65 287.16 54.87 Automatic
II WRAB P 19:53:39.87 -2.37 189.46 60.36 Automatic
II OBN P 19:54:25.45 -0.08 323.24 66.36 Automatic
II KIV P 19:54:47.82 0.59 311.03 69.81 Automatic
IU GNI P 19:54:55.92 2.36 306.82 70.85 Automatic
IU TUC P 19:55:53.97 4.43 55.38 80.64 Automatic
IU ANMO P 19:55:53.87 -0.38 50.95 81.52 Automatic
II BFO P 19:56:02.32 -0.52 331.62 83.14 Automatic
IU CCM P 19:56:22.77 -1.94 39.82 87.54 Automatic