Earthquake with magnitude of Mwp 5.9 on date 14-08-2023 and time 10:40:01 (UTC) in region Prince Edward Islands, South Africa, region [Sea]

A magnitude Mwp 5.9 earthquake occured in region: Prince Edward Islands, South Africa, region [Sea], on

  • 14-08-2023 10:40:01 (UTC)
  • 14-08-2023 12:40:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) -43.2070, 39.1910 at 9 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.

Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
mb 5.2
Mwp 5.9

Mwpd 6.0
2023-08-14
10:40:01
-43.207 39.1906 9 2023-08-14
10:58:29
Sala Sismica INGV-Roma 120113741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-14 10:40:01
Latitude -43.2070
Longitude 39.1906
Depth (km) 9 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 120113741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 32341494
Semi-minor axis of confidence ellipse (meter) 29285553
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 226
Circular confidence region, given by single value of horizontal uncertainty (meter) 32375100.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 54.5541
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 2.28808
Epicentral distance of station closest to the epicenter (degree) 14.10638
Epicentral distance of station farthest from the epicenter (degree) 94.63683
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 31
Magnitudes information

Mwp:5.9

Field Value
Value 5.9
Uncertainty 0.2
Num. used stations 14
Type of magnitude Mwp
Reference to an origin 120113741
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-08-14 10:58:29

Mwpd:6.0

Field Value
Value 6.0
Uncertainty 0.1
Num. used stations 12
Type of magnitude Mwpd
Reference to an origin 120113741
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-08-14 10:58:29

mb:5.2

Field Value
Value 5.2
Uncertainty 0.1
Num. used stations 41
Type of magnitude mb
Reference to an origin 120113741
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-08-14 10:58:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
RD.RJF.BHZ. 2023-08-14T10:53:21.90 10.0 positive automatic P 334 10504.6848 1.22176 0.0985315
OE.KBA.BHZ. 2023-08-14T10:53:16.17 10.0 positive automatic P 343 10337.1747 1.34716 0.0902487
HL.RDO.HHZ. 2023-08-14T10:52:35.99 10.0 positive automatic P 350 9461.7399 -0.729164 0.11687
IU.LCO.BHZ.00 2023-08-14T10:52:30.62 10.0 positive automatic P 236 9255.5685 3.01682 0.112577
G.CAN.BHZ.00 2023-08-14T10:52:04.80 10.0 positive automatic P 129 8746.0452 2.26784 0.131808
GT.CPUP.BHZ.00 2023-08-14T10:51:50.33 10.0 positive automatic P 246 8517.0744 1.26849 0.132949
C.GO06.BHZ. 2023-08-14T10:51:47.15 10.0 positive automatic P 228 8461.086 -1.10303 0.145808
AU.TOO.BHZ.00 2023-08-14T10:51:43.48 10.0 positive automatic P 128 8347.7106 1.1766 0.143064
AU.FITZ.BHZ. 2023-08-14T10:51:41.35 10.0 positive automatic P 101 8345.5461 0.326943 0.149874
GT.PLCA.BHZ.00 2023-08-14T10:51:39.55 10.0 positive automatic P 228 8315.6316 -1.56694 0.139469
MY.KUM.BHZ. 2023-08-14T10:51:36.07 10.0 positive automatic P 66 8160.5757 3.71216 0.158613
AU.WRKA.BHZ.00 2023-08-14T10:51:28.33 10.0 positive automatic P 108 8051.4738 1.65648 0.16294
GE.PMBI.BHZ. 2023-08-14T10:51:09.47 10.0 positive automatic P 75 7807.3737 -3.81215 0.158222
II.UOSS.BHZ.00 2023-08-14T10:51:09.60 10.0 positive automatic P 16 7761.5529 -1.09042 0.179619
AU.FORT.BHZ.00 2023-08-14T10:51:05.35 10.0 positive automatic P 113 7629.03 1.96691 0.177268
GT.DBIC.BHZ.00 2023-08-14T10:50:33.95 10.0 positive automatic P 310 7086.2844 2.36924 0.205466
AU.MORW.BHZ. 2023-08-14T10:50:18.70 10.0 positive automatic P 104 6823.2477 3.23513 0.226892
GT.VNDA.BHZ.00 2023-08-14T10:49:29.13 10.0 positive automatic P 167 6027.9216 2.0298 0.0265446
IU.SBA.BHZ.00 2023-08-14T10:49:28.07 10.0 positive automatic P 168 6087.7506 -3.42077 0.037179
II.HOPE.BHZ.00 2023-08-14T10:48:43.12 10.0 positive automatic P 229 5395.9875 -1.55614 0.362826
IU.CASY.BHZ.00 2023-08-14T10:48:10.32 10.0 positive automatic P 147 4872.3561 3.27864 0.434672
GE.SNAA.BHZ. 2023-08-14T10:46:48.11 10.0 positive automatic P 202 3873.567 -2.15773 0.22406
IU.TSUM.BHZ.00 2023-08-14T10:46:09.10 10.0 positive automatic P 316 3341.0556 -0.218925 0.92462
IU.LSZ.BHZ.00 2023-08-14T10:46:03.67 10.0 positive automatic P 338 3271.1589 -0.0164304 0.909091
GE.WIN.BHZ. 2023-08-14T10:45:47.40 10.0 positive automatic P 311 3061.0581 0.47477 0.310078
AU.MAW.BHZ. 2023-08-14T10:45:41.40 10.0 positive automatic P 161 3048.0711 -4.16622 0.738164
GE.VOI.BHZ. 2023-08-14T10:44:56.30 10.0 positive automatic P 19 2451.1131 1.3297 0.909091
GT.LBTB.BHZ.00 2023-08-14T10:44:47.13 10.0 positive automatic P 324 2367.3303 0.601407 0.930233
GT.BOSA.BHZ.00 2023-08-14T10:44:15.65 10.0 positive automatic P 318 2041.6563 1.08417 1.47979
II.SUR.BHZ.00 2023-08-14T10:44:10.32 10.0 positive automatic P 301 2003.1948 -0.586147 0.952381
AF.GRHM.BHZ. 2023-08-14T10:43:16.69 10.0 positive automatic P 310 1565.8104 -2.64409 0.909091
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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