This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.3 mb
Local datetime 2025/08/17 06:13
Universal datetime 2025/08/16 21:13
Latitude 31.99 ° ± 4 km
Longitude 131.67 ° ± 4 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  214 1.392289e+06
Hiroshima  276 1.143841e+06
Kitakyūshū  223 997536
Kumamoto  128 680423
Kagoshima  114 555352
Ōita  139 448907
Nagasaki  189 410204
Kōchi  247 335570
Takamatsu  343 334223
Miyazaki  25 311203
Tokushima  354 267345
Shimonoseki  229 245786
Sasebo  225 237444
Kure  264 196624
Kanoya  103 82335

Past seismicity

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

Event details

Parameters

Evaluation status
RMS 1.55
Azimuthal gap 80.69 °
Number of stations used 35
Number of phases used 35

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 INCN P 21:14:57.92 4.09 324.34 6.88 Automatic
IU MAJO P 21:14:55.59 -0.88 48.03 7.06 Automatic
IU YSS P 21:17:12.70 -0.62 26.35 17.21 Automatic
IU GUMO P 21:18:08.12 1.2 143.69 22.01 Automatic
IU ULN P 21:18:31.77 -0.59 317.58 24.48 Automatic
IU PET P 21:19:12.57 2.92 34.73 28.62 Automatic
IU CHTO P 21:19:41.57 0.14 253.84 32.19 Automatic
IU TIXI P 21:20:45.54 0.37 358.62 39.67 Automatic
IU MAKZ P 21:20:51.2 -0.62 306.33 40.38 Automatic
IU BILL P 21:20:57.64 -0.87 18.85 41.27 Automatic
II KURK P 21:21:10.12 -1.93 311.95 42.87 Automatic
II AAK P 21:21:35.52 -0.21 300.44 45.81 Automatic
II WRAB P 21:22:18.89 -1.3 176.79 51.99 Automatic
II PALK P 21:22:36.67 4.03 253.82 53.35 Automatic
IU CTAO P 21:22:33.84 -0.75 162.99 53.92 Automatic
IU MBWA P 21:22:38.9 0.33 193.73 54.36 Automatic
IU COLA P 21:23:04.4 1.86 29.82 57.37 Automatic
II ALE P 21:23:55.72 -0.3 1.99 65.3 Automatic
II UOSS P 21:23:57.47 0.72 285.12 65.39 Automatic
IU NWAO P 21:23:58.84 -0.68 193.2 66.33 Automatic
II MSVF P 21:24:03.72 0.68 131.34 66.68 Automatic
II OBN P 21:24:04.92 -2 321.75 66.96 Automatic
II KIV P 21:24:11.57 -0.48 308.96 67.76 Automatic
IU GNI P 21:24:14.97 2.05 304.53 67.9 Automatic
IU KIEV P 21:24:40.42 -3.11 319.68 72.89 Automatic
II RAYN P 21:24:52.39 -1.76 288.5 74.73 Automatic
IU ANTO P 21:25:01.44 -1.15 308.65 76.16 Automatic
IU SFJD P 21:25:27.87 -1.35 0.91 81 Automatic
II BFO P 21:25:48.87 -1.49 326.12 85.08 Automatic
II PFO P 21:26:06.7 0.16 50.64 88.28 Automatic
IU RSSD P 21:26:07.52 0.39 36.39 88.52 Automatic
IU TUC P 21:26:26.87 0 48.61 92.77 Automatic
IU ANMO P 21:26:31.39 0.45 44.23 93.65 Automatic
GE KIBK P 21:26:33.87 0.69 269.92 94.33 Automatic
IU KMBO P 21:26:33.32 0.01 271.39 94.34 Automatic