This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.5 mb
Local datetime 2018/05/07 05:00
Universal datetime 2018/05/06 20:00
Latitude 39.76 ° ± 4 km
Longitude 141.01 ° ± 4 km
Depth 92 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
Sendai  163 1.037562e+06
Niigata  266 505272
Iwaki  300 357309
Kōriyama  266 340560
Akita  79 320069
Aomori  121 298394
Morioka  11 295172
Fukushima  229 294237
Hakodate  228 275730
Yamagata  175 254538
Hachinohe  95 239046
Hirosaki  101 174972
Sakata  136 100446
Tsuruoka  155 99820
Muroran  288 96197

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 1.04
Azimuthal gap 73.87 °
Number of stations used 34
Number of phases used 34

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 20:01:31.12 -0.35 35.06 2.78 Automatic
IU MAJO P 20:01:46.27 -0.15 215.34 3.89 Automatic
IU YSS P 20:02:32.40 -0.43 9.45 7.31 Automatic
IU PET P 20:04:54.82 3.48 36.37 17.91 Automatic
IU MA2 P 20:05:21.92 -0.23 14.03 20.75 Automatic
IU TATO P 20:05:36.12 0.21 233.76 22.04 Automatic
IU YAK P 20:05:46.42 -2.26 346.54 23.31 Automatic
IU BILL P 20:07:02.2 -0.21 17.88 31.51 Automatic
IU MIDW P 20:07:41.57 -0.05 95.64 36.03 Automatic
IU MAKZ P 20:08:36.9 0.13 299.74 42.52 Automatic
II KURK P 20:08:46.87 -0.15 305.98 43.89 Automatic
II KDAK P 20:08:56.57 -0.52 43.55 45.16 Automatic
IU COLA P 20:09:10.47 0.59 33.45 46.8 Automatic
IU TARA P 20:09:18.14 -0.38 134.78 48.13 Automatic
II BRVK P 20:09:22.92 0.34 310.68 48.42 Automatic
II AAK P 20:09:26.27 0.69 296.29 48.81 Automatic
II KAPI P 20:09:23.2 -0.58 208.65 48.86 Automatic
IU POHA P 20:10:28.92 0.92 90.62 57.35 Automatic
IU COR P 20:11:33.22 1.62 50.47 66.76 Automatic
IU XMAS P 20:11:32.89 0.32 107.5 67.12 Automatic
II KIV P 20:11:44.37 0.75 310.12 68.67 Automatic
IU GNI P 20:11:52.22 2.71 305.85 69.62 Automatic
II FFC P 20:11:59.2 -0.86 32.9 71.31 Automatic
IU KIEV P 20:12:01.27 -0.87 321.72 71.69 Automatic
IU SFJD P 20:12:08.67 -0.57 4.73 72.88 Automatic
IU ANTO P 20:12:33.17 0.41 311.55 76.97 Automatic
II PFO P 20:12:35.57 -0.57 56.35 77.58 Automatic
IU RSSD P 20:12:36.47 -0.65 41.76 77.74 Automatic
IU TUC P 20:12:59.67 -0.42 54.16 82.02 Automatic
II BFO P 20:13:02.17 -0.34 330.46 82.46 Automatic
IU ANMO P 20:13:04.52 0.18 49.73 82.83 Automatic
IU CCM P 20:13:31.82 -1.22 38.52 88.65 Automatic
IU WCI P 20:13:42.42 -0.66 35.27 90.79 Automatic
IU WVT P 20:13:46.92 -0.87 37.47 91.81 Automatic