This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.1 mb
Local datetime 2021/12/18 22:05
Universal datetime 2021/12/18 20:05
Latitude -47.17 ° ± 6 km
Longitude 33.02 ° ± 10 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
Port Elizabeth  1593 967677
Uitenhage  1621 228912
George  1716 174582
Bhisho  1658 137287
Queenstown  1774 105309
Grahamstown  1635 91548
Umtata  1768 78663
Oudtshoorn  1763 76708
Knysna  1683 63106
Graaff Reinet  1801 62896
Cradock  1777 32898
Port Alfred  1593 17959
Bredasdorp  1775 14936
Swellendam  1803 13674
Port St. Johns  1751 5939

Past seismicity

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

Event details

Parameters

Evaluation status
RMS 1.2
Azimuthal gap 154.65 °
Number of stations used 14
Number of phases used 14

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 SUR P 20:09:49.97 -0.32 323.49 17.47 Automatic
GE VOI P 20:11:31.80 -0.62 28.41 27.46 Automatic
II ABPO P 20:11:58.64 -0.3 27.25 30.45 Automatic
IU TSUM P 20:12:00.72 -0.21 330.49 30.68 Automatic
IU CASY P 20:13:46.27 -1.4 144.89 43.07 Automatic
G CCD P 20:14:01.25 -1.42 158.66 44.94 Automatic
GE KIBK P 20:14:00.7 -0.85 7.11 45.02 Automatic
IU KMBO P 20:14:09.77 -0.33 5.87 46.19 Automatic
II MBAR P 20:14:13.49 0.12 356.86 46.61 Automatic
IU SBA P 20:14:57.17 1.17 168.85 51.83 Automatic
II RAYN P 20:17:05.94 -0.02 12.06 71.58 Automatic
II KAPI P 20:18:20.67 2.52 91.03 84.11 Automatic
IU CHTO P 20:18:37.59 -0.87 59.83 88.51 Automatic
II KIV P 20:18:53.52 2.52 6.95 91.52 Automatic