Station XA SA11 - XA.SA11

Network: XA97 - Anatomy of an Archean Craton, South Africa

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
SA11 XA.SA11 (-29.97, 20.95) 1997-04-21 / 1999-12-31 1066 m
Crust2 Type:I1,late Proter., no seds.
Thickness Estimate:43 km
Thickness StdDev:0.2 km
Vp/Vs Estimate:1.69
Vp/Vs StdDev:0.01
Vs Estimate:3.93 km/s
Poisson's Ratio:0.23
Peak Value:0.06
Assumed Vp:6.642 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.337
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

2 with match > 90% ( 12.5 %) and 4 with match > 80% ( 25.0 %) out of 16.

Download stack as xyz text file.

Azimuth Distribution of Events:

Prior Results for this Station

Study Thickness Vp/Vs Vp Vs Poissons Ratio Extra
EARS 43 km 1.69 6.642 km/s 3.93 km/s 0.23
Crust2.0 43 km 1.77 6.642 km/s 3.756 km/s 0.26 I1,late Proter., no seds.
Global Maxima 43 km 1.69 6.642 km/s 3.93 km/s 0.23 amp=0.05805588
Local Maxima 1 35 km 1.79 6.642 km/s 3.721 km/s 0.27 amp=0.013448828
Local Maxima 2 29 km 2.00 6.642 km/s 3.329 km/s 0.33 amp=0.009624794
Local Maxima 3 27 km 1.74 6.642 km/s 3.828 km/s 0.25 amp=0.009429238
Local Maxima 4 52 km 1.60 6.642 km/s 4.151 km/s 0.18 amp=0.0072282325
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps4.44 SECOND
PpPs17.31 SECOND
PsPs/PpSs21.76 SECOND

Events Processed for this Station

Download zip of receiver functions as SAC

View Record Section

Plot maxima for each earthquake.

Events Used in the Stack

(4 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
97.45363 76.9 deg 241.821 deg Near Coast Of Central Chile 1997/10/15 01:03:33 GMT (-30.9, -71.2) 58 km 6.8 MB, 6.8 MS, 7.3 UNKNOWN, 7.1 MW
95.76743 79.4 deg 248.58 deg Near Coast Of Northern Chile 1998/01/30 12:16:08 GMT (-23.9, -70.2) 42 km 6.3 MB, 6.5 MS, 7.0 UNKNOWN, 6.7 ME
88.96506 77.1 deg 241.697 deg Near Coast Of Central Chile 1998/01/12 10:14:07 GMT (-31.0, -71.4) 35 km 5.8 MB, 6.2 MS, 6.6 UNKNOWN, 6.2 ME
87.13636 81.0 deg 38.728 deg Hindu Kush Region, Afghanistan 1997/05/13 14:13:45 GMT (36.4, 70.9) 196 km 6.1 MB, 6.5 UNKNOWN, 6.4 MW

Losers

(12 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
99.490944 75.3 deg 231.837 deg Off Coast Of Southern Chile 1998/04/01 22:42:56 GMT (-40.3, -74.9) 9.0 km 6.2 MB, 6.0 MS, 6.7 UNKNOWN, 6.6 ME
79.639366 80.9 deg 38.64 deg Hindu Kush Region, Afghanistan 1997/12/17 05:51:29 GMT (36.4, 70.8) 207 km 5.5 MB, 6.3 UNKNOWN
73.62395 97.7 deg 270.003 deg Colombia 1997/09/02 12:13:22 GMT (3.8, -75.7) 199 km 6.5 MB, 6.8 UNKNOWN, 6.4 ME
71.19678 44.9 deg 302.45 deg North Of Ascension Island 1998/04/10 16:40:38 GMT (-1.3, -15.7) 10 km 5.9 MS, 5.4 MB, 6.2 UNKNOWN, 6.1 MW
67.744064 91.0 deg 61.226 deg Myanmar 1997/12/30 13:43:18 GMT (25.4, 96.6) 33 km 5.7 MS, 5.4 MB, 5.7 UNKNOWN, 5.7 MW
65.18407 44.8 deg 213.521 deg South Sandwich Islands Region 1997/10/05 18:04:30 GMT (-59.7, -29.2) 274 km 6.0 MB, 6.3 UNKNOWN, 6.3 MW
62.424404 83.0 deg 258.225 deg Peru-Bolivia Border Region 1997/11/28 22:53:41 GMT (-13.7, -68.8) 586 km 6.4 MB, 6.6 UNKNOWN, 6.6 MW
58.1517 78.1 deg 243.13 deg Near Coast Of Central Chile 1997/07/19 12:22:57 GMT (-29.3, -71.7) 26 km 5.8 MB, 5.5 MS, 5.9 UNKNOWN, 5.8 MW
57.510323 76.6 deg 251.114 deg Jujuy Province, Argentina 1997/07/20 10:14:22 GMT (-23.0, -66.3) 256 km 5.7 MB, 6.1 UNKNOWN, 5.7 ME
54.680893 77.3 deg 245.956 deg Northern Chile 1997/05/17 02:10:18 GMT (-27.2, -69.5) 106 km 5.5 MB, 5.6 UNKNOWN, 5.5 MW
52.660362 95.6 deg 222.849 deg Southern Pacific Ocean 1997/05/29 17:02:38 GMT (-36.0, -102.5) 10 km 5.6 MB, 6.1 MS, 6.5 UNKNOWN, 6.4 MW
47.797882 78.6 deg 250.701 deg Northern Chile 1997/09/28 23:13:13 GMT (-22.4, -68.4) 107 km 5.7 MB, 5.6 UNKNOWN, 5.6 MW