This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.5 mb
Local datetime 2015/02/17 13:46
Universal datetime 2015/02/17 04:46
Latitude 40.22 ° ± 3 km
Longitude 141.93 ° ± 3 km
Depth 60 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
Sapporo  321 1.883027e+06
Sendai  228 1.037562e+06
Akita  167 320069
Aomori  123 298394
Morioka  88 295172
Fukushima  303 294237
Hakodate  201 275730
Yamagata  257 254538
Hachinohe  46 239046
Hirosaki  130 174972
Tomakomai  272 174806
Obihiro  318 173890
Sakata  230 100446
Tsuruoka  247 99820
Muroran  249 96197

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 1.2
Azimuthal gap 81.83 °
Number of stations used 49
Number of phases used 49

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 04:47:12.37 -0.99 26.93 2.02 Automatic
IU MAJO P 04:47:49.22 -0.72 219.61 4.69 Automatic
IU YSS P 04:48:18.10 -0.09 4.84 6.76 Automatic
IU INCN P 04:49:37.12 3.98 261.93 12.21 Automatic
IU PET P 04:50:37.100 1.07 36.02 17.11 Automatic
IU MA2 P 04:51:08.82 -1.92 13.07 20.13 Automatic
IU TATO P 04:51:39.17 -0.99 234.44 22.89 Automatic
IU YAK P 04:51:39.25 -2.47 345.27 23.03 Automatic
IU ULN P 04:52:08.32 -0.68 298.79 25.96 Automatic
II TLY P 04:52:32.37 -0.01 306.55 28.57 Automatic
IU ADK P 04:52:49.2 -0.51 53.53 30.5 Automatic
IU CHTO P 04:54:30.57 -0.77 252.71 42.52 Automatic
IU MAKZ P 04:54:34.69 -0.39 299.51 42.9 Automatic
II KURK P 04:54:44.87 -0.59 305.76 44.19 Automatic
II KDAK P 04:54:46.17 -0.4 43.95 44.34 Automatic
IU COLA P 04:55:00.37 0.52 33.73 46.02 Automatic
II BRVK P 04:55:20.52 0.04 310.55 48.65 Automatic
II AAK P 04:55:24.82 -0.13 296.24 49.23 Automatic
II KAPI P 04:55:25.17 -0.26 209.58 49.61 Automatic
II NIL P 04:56:00.22 0.42 286.35 53.9 Automatic
IU KBS P 04:56:25.77 1.15 349.93 57.36 Automatic
II LVZ P 04:56:37.37 0.23 335.26 59.14 Automatic
IU KEV P 04:56:45.62 0.05 338.84 60.36 Automatic
II WRAB P 04:56:41.27 -2.39 188.17 60.57 Automatic
IU MBWA P 04:57:09.67 -2.19 202.92 64.77 Automatic
II OBN P 04:57:19.75 -0.39 322.71 65.54 Automatic
IU COR P 04:57:23.57 1.04 51.02 65.92 Automatic
II MSVF P 04:57:28.67 1.98 142.41 67.01 Automatic
II KIV P 04:57:41.87 0.42 310.4 68.9 Automatic
IU GNI P 04:57:48.52 0.82 306.15 69.92 Automatic
II FFC P 04:57:50.77 -0.78 33.37 70.54 Automatic
II UOSS P 04:57:53.87 -0.74 287.11 71.1 Automatic
IU SFJD P 04:58:02.32 -0.19 5.11 72.35 Automatic
IU KONO P 04:58:04.72 0.16 336.97 72.7 Automatic
II BORG P 04:58:15.97 2.5 352.66 74.21 Automatic
IU NWAO P 04:58:22.82 -0.91 201.12 76.63 Automatic
II PFO P 04:58:27.42 -0.41 56.94 76.74 Automatic
IU RSSD P 04:58:28.57 -0.41 42.3 76.92 Automatic
II ESK P 04:58:46.7 0.34 340.71 79.95 Automatic
IU TUC P 04:58:51.97 -0.14 54.75 81.18 Automatic
IU ANMO P 04:58:56.72 0.28 50.31 81.99 Automatic
II BFO P 04:58:58.32 -0.36 330.94 82.4 Automatic
II TAU P 04:59:01.42 2.12 176.02 83.27 Automatic
IU SLBS P 04:59:25.72 1.34 60.58 87.6 Automatic
IU CCM P 04:59:24.92 -0.84 39.1 87.84 Automatic
IU WVT P 04:59:40.7 -0.55 38.07 91.01 Automatic
IU HKT P 04:59:45.62 1.73 47.15 91.74 Automatic
IU HRV P 04:59:45.97 1.16 24.01 91.9 Automatic
IU PAB P 04:59:56.72 -0.08 334.57 94.51 Automatic