This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.4 mb
Local datetime 2017/12/20 22:40
Universal datetime 2017/12/20 13:40
Latitude 30.82 ° ± 4 km
Longitude 131.67 ° ± 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
Fukuoka  330 1.392289e+06
Hiroshima  402 1.143841e+06
Kitakyūshū  348 997536
Kumamoto  238 680423
Kagoshima  136 555352
Ōita  269 448907
Nagasaki  274 410204
Kōchi  351 335570
Takamatsu  450 334223
Miyazaki  124 311203
Tokushima  451 267345
Shimonoseki  355 245786
Sasebo  319 237444
Kure  390 196624
Kanoya  100 82335

Past seismicity

  This map shows only the 0 most significant earthquakes around this event.

Event details

Parameters

Evaluation status
RMS 1.76
Azimuthal gap 106.6 °
Number of stations used 30
Number of phases used 30

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 13:42:49.32 -3.03 41.74 7.89 Automatic
IU YSS P 13:45:13.5 2.32 24.77 18.26 Automatic
IU ULN P 13:46:23.42 -1.43 319.25 25.35 Automatic
IU PET P 13:47:04.90 2.15 33.55 29.58 Automatic
IU YAK P 13:47:18.42 1.34 358.2 31.24 Automatic
IU MA2 P 13:47:21.12 1.72 18.49 31.49 Automatic
IU CHTO P 13:47:22.52 -0.82 255.64 31.89 Automatic
IU TIXI P 13:48:38.62 -0.76 358.65 40.84 Automatic
IU MAKZ P 13:48:42.34 0.37 307.41 41.08 Automatic
IU BILL P 13:48:49.92 -2.18 18.43 42.38 Automatic
IU PMG P 13:48:55.97 1.5 157.22 42.88 Automatic
II KURK P 13:49:00.97 -1.99 312.87 43.66 Automatic
II AAK P 13:49:24.72 -0.29 301.41 46.41 Automatic
II NIL P 13:49:43.47 -0.32 289.6 48.82 Automatic
II BRVK P 13:49:43.52 -1.15 315.61 48.96 Automatic
IU CTAO P 13:50:09.27 -1.69 162.73 52.8 Automatic
IU MBWA P 13:50:13.89 -0.14 193.94 53.23 Automatic
II KDAK P 13:50:42.77 -0.66 38.09 56.89 Automatic
IU COLA P 13:50:52.87 -0.99 29.46 58.38 Automatic
IU NWAO P 13:51:37.7 0.31 193.32 65.19 Automatic
II OBN P 13:52:01.2 3.74 322.05 67.88 Automatic
II KIV P 13:52:03.42 2.19 309.32 68.5 Automatic
IU KIEV P 13:52:31.67 -1.67 319.9 73.79 Automatic
II FFC P 13:53:21.12 -2.46 27.95 82.86 Automatic
II ESK P 13:53:40.17 2.61 336.15 85.61 Automatic
II BFO P 13:53:39.57 -0.16 326.17 86.05 Automatic
II PFO P 13:53:56.2 2.07 50.62 89.02 Automatic
IU RSSD P 13:53:53.67 -2.43 36.38 89.47 Automatic
IU TUC P 13:54:14.87 -0.1 48.66 93.54 Automatic
IU ANMO P 13:54:21.27 1.94 44.29 94.49 Automatic