Station XA SA73 - XA.SA73

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

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
SA73 XA.SA73 (-21.85, 30.28) 1997-04-14 / 1999-12-31 590 m
Crust2 Type:I1,late Proter., no seds.
Thickness Estimate:34 km
Thickness StdDev:8.6 km
Vp/Vs Estimate:2.09
Vp/Vs StdDev:0.15
Vs Estimate:3.178 km/s
Poisson's Ratio:0.35
Peak Value:0.01
Assumed Vp:6.642 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.795
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

4 with match > 90% ( 15.384615 %) and 8 with match > 80% ( 30.76923 %) out of 26.

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 34 km 2.09 6.642 km/s 3.178 km/s 0.35
Crust2.0 43 km 1.77 6.642 km/s 3.756 km/s 0.26 I1,late Proter., no seds.
Global Maxima 34 km 2.09 6.642 km/s 3.178 km/s 0.35 amp=0.009642093
Local Maxima 1 46 km 1.79 6.642 km/s 3.721 km/s 0.27 amp=0.008299075
Local Maxima 2 50 km 1.65 6.642 km/s 4.031 km/s 0.21 amp=0.0037437999
Local Maxima 3 50 km 1.71 6.642 km/s 3.896 km/s 0.24 amp=0.0031490226
Local Maxima 4 25 km 1.67 6.642 km/s 3.971 km/s 0.22 amp=0.0031108493
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps5.58 SECOND
PpPs15.82 SECOND
PsPs/PpSs21.40 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

(8 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
98.164314 88.3 deg 237.397 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
98.147545 62.1 deg 27.662 deg Northern And Central Iran 1997/05/10 07:57:29 GMT (33.8, 59.8) 10 km 6.4 MB, 7.3 MS, 7.5 UNKNOWN, 7.2 MW
96.58378 78.3 deg 44.661 deg Xizang 1997/11/08 10:02:52 GMT (35.1, 87.3) 33 km 6.2 MB, 7.9 MS, 7.7 UNKNOWN, 7.6 MW
93.274445 92.6 deg 89.69 deg Minahassa Peninsula, Sulawesi 1997/11/25 12:14:33 GMT (1.2, 122.5) 24 km 6.1 MB, 6.8 MS, 7.1 UNKNOWN, 6.7 ME
89.611404 56.1 deg 211.72 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
88.99441 69.7 deg 34.179 deg Afghanistan-Tajikistan Bord Reg. 1998/02/20 12:18:06 GMT (36.5, 71.1) 236 km 5.8 MB, 5.7 MS, 6.4 UNKNOWN, 6.3 MW
84.74741 41.6 deg 220.594 deg Southern Mid-Atlantic Ridge 1997/04/25 09:11:34 GMT (-48.3, -10.0) 10 km 5.8 MS, 5.3 MB, 5.8 UNKNOWN, 5.7 MW
81.226654 35.1 deg 82.865 deg Mid-Indian Ridge 1997/09/25 14:20:48 GMT (-13.8, 66.2) 10 km 5.3 MB, 5.7 MS, 6.0 UNKNOWN, 6.0 MW

Losers

(18 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
84.88041 90.2 deg 248.182 deg Chile-Bolivia Border Region 1997/12/09 14:23:45 GMT (-20.2, -68.4) 133 km 5.7 MB, 5.7 UNKNOWN, 5.7 MW
77.5107 65.9 deg 50.364 deg Southern India 1997/05/21 22:51:28 GMT (23.1, 80.0) 36 km 6.0 MB, 5.6 MS, 5.8 UNKNOWN, 5.6 ME
77.29118 88.4 deg 237.567 deg Near Coast Of Central Chile 1997/11/03 19:17:33 GMT (-30.7, -71.2) 45 km 6.2 MB, 5.6 MS, 6.3 UNKNOWN, 5.8 MD
74.56065 80.2 deg 318.012 deg Azores Islands, Portugal 1997/06/27 04:39:52 GMT (38.3, -26.7) 10 km 5.6 MB, 5.4 MS, 5.9 UNKNOWN, 5.9 MW
71.5966 86.1 deg 234.989 deg Chile-Argentina Border Region 1997/04/20 19:53:15 GMT (-34.0, -70.0) 105 km 5.6 UNKNOWN, 5.3 MB, 5.5 MD
68.53075 89.1 deg 237.957 deg Near Coast Of Central Chile 1997/07/06 09:54:00 GMT (-30.1, -71.9) 19 km 5.8 MB, 6.5 MS, 6.8 UNKNOWN, 6.4 ME
64.432755 87.4 deg 246.413 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
64.081245 46.1 deg 127.379 deg Mid-Indian Ridge 1997/08/20 13:51:16 GMT (-41.7, 80.1) 10 km 5.6 MB, 6.4 MS, 6.5 UNKNOWN, 6.4 MW
63.7727 71.9 deg 86.337 deg Southern Sumatra, Indonesia 1997/04/22 05:55:59 GMT (-3.4, 102.1) 108 km 5.6 MB, 5.9 UNKNOWN, 5.9 MW
63.07296 97.3 deg 100.136 deg Banda Sea 1997/07/31 21:54:21 GMT (-6.6, 130.9) 59 km 5.9 MB, 5.3 MS, 6.1 UNKNOWN, 6.1 MW
59.36341 90.3 deg 244.145 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
57.95679 83.8 deg 96.831 deg Sumbawa Region, Indonesia 1997/10/23 01:16:01 GMT (-8.7, 117.0) 160 km 5.5 MB
56.86964 88.1 deg 93.282 deg Sulawesi, Indonesia 1997/09/28 01:38:28 GMT (-3.8, 119.7) 33 km 5.6 MB, 5.5 MS, 5.9 UNKNOWN, 5.9 MW
56.834347 93.1 deg 253.958 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
56.145103 96.9 deg 86.645 deg Mindanao, Philippines 1997/10/05 19:00:02 GMT (5.7, 125.5) 224 km 5.6 MB, 5.8 UNKNOWN
49.864563 79.1 deg 91.805 deg Java Sea 1997/07/11 09:55:12 GMT (-5.7, 110.8) 574 km 5.6 MB
46.956627 69.5 deg 34.133 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
41.38648 88.4 deg 237.282 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