This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.5 mb
Local datetime 2017/10/23 10:32
Universal datetime 2017/10/23 08:32
Latitude -52.31 ° ± 4 km
Longitude 16.95 ° ± 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
Cape Town  2047 3.433441e+06
Port Elizabeth  2153 967677
Uitenhage  2170 228912
Paarl  2074 187865
George  2087 174582
Worcester  2084 127597
Grahamstown  2248 91548
Oudtshoorn  2123 76708
Saldanha  2146 68284
Knysna  2089 63106
Beaufort West  2264 44737
Hermanus  1998 25153
Port Alfred  2227 17959
Bredasdorp  1991 14936
Swellendam  2052 13674

Past seismicity

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

Event details

Parameters

Evaluation status
RMS 1.64
Azimuthal gap 48.4 °
Number of stations used 24
Number of phases used 24

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 08:37:08.72 -0.44 9.51 20.13 Automatic
II HOPE P 08:38:57.82 2.11 244.75 31.23 Automatic
IU TSUM P 08:39:09.57 -1.18 1.1 33.12 Automatic
IU QSPA P 08:39:49.82 -2.11 179.91 37.73 Automatic
IU LSZ P 08:39:51.77 -1.63 17.74 38.1 Automatic
II ABPO P 08:40:16.67 0.26 46.85 40.8 Automatic
IU PMSA P 08:40:17.57 -0.43 220.08 40.83 Automatic
IU CASY P 08:40:49.52 -1.07 145.29 44.83 Automatic
IU SBA P 08:41:19.29 -0.19 171.88 48.51 Automatic
II MBAR P 08:41:51.47 0.83 17.37 52.99 Automatic
IU KMBO P 08:41:59.27 1.6 25.42 53.93 Automatic
IU RCBR P 08:43:04.12 -0.53 297.53 63.41 Automatic
IU LVC P 08:43:46.57 -0.22 258.8 69.82 Automatic
IU NWAO P 08:43:51.32 1.72 118.64 70.21 Automatic
II TAU P 08:44:24.97 3.14 144.82 75.59 Automatic
IU SAML P 08:44:25.67 -2.38 272.29 76.9 Automatic
II PALK P 08:44:49.22 3.26 64.49 80.33 Automatic
IU MBWA P 08:44:48.27 -1.93 112.89 80.82 Automatic
II NNA P 08:45:03.2 2.62 259.66 82.83 Automatic
II UOSS P 08:45:04.82 -1.89 35.2 84.52 Automatic
II WRAB P 08:45:32.87 -1.67 123.43 89.7 Automatic
IU ANTO P 08:45:47.82 0.43 12.12 93.21 Automatic
IU PAB P 08:45:50.2 0.29 343.7 93.71 Automatic
IU CTAO P 08:45:59.72 -0.6 133.13 95.27 Automatic