Station XA SA57 - XA.SA57

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

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
SA57 XA.SA57 (-22.98, 30.02) 1997-04-25 / 1999-12-31 787 m
Crust2 Type:I1,late Proter., no seds.
Thickness Estimate:41 km
Thickness StdDev:0.3 km
Vp/Vs Estimate:1.72
Vp/Vs StdDev:0.01
Vs Estimate:3.856 km/s
Poisson's Ratio:0.25
Peak Value:0.04
Assumed Vp:6.642 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.287
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

7 with match > 90% ( 14.893617 %) and 13 with match > 80% ( 27.659575 %) out of 47.

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 41 km 1.72 6.642 km/s 3.856 km/s 0.25
Crust2.0 43 km 1.77 6.642 km/s 3.756 km/s 0.26 I1,late Proter., no seds.
Global Maxima 41 km 1.72 6.642 km/s 3.856 km/s 0.25 amp=0.042799555
Local Maxima 1 40 km 1.75 6.642 km/s 3.785 km/s 0.26 amp=0.010245746
Local Maxima 2 52 km 1.60 6.642 km/s 4.151 km/s 0.18 amp=0.009149388
Local Maxima 3 28 km 2.10 6.642 km/s 3.167 km/s 0.35 amp=0.008538884
Local Maxima 4 32 km 1.61 6.642 km/s 4.119 km/s 0.19 amp=0.004828571
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps4.49 SECOND
PpPs16.91 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

(13 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
98.577065 82.1 deg 156.254 deg Balleny Islands Region 1998/03/25 03:12:25 GMT (-62.9, 149.5) 10 km 6.6 MB, 8.0 MS, 8.3 UNKNOWN, 8.1 MW
97.82799 87.5 deg 237.525 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
96.12839 79.3 deg 44.636 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
94.66442 70.6 deg 34.074 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
93.47158 88.5 deg 238.678 deg Near Coast Of Central Chile 1998/09/03 17:37:58 GMT (-29.5, -71.7) 27 km 6.2 MB, 6.6 MS, 6.5 UNKNOWN, 6.4 ME
92.194084 92.8 deg 89.84 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
91.23087 43.0 deg 239.452 deg Southern Mid-Atlantic Ridge 1998/06/24 10:44:30 GMT (-37.3, -17.4) 10 km 5.7 MB, 5.8 MS, 6.0 UNKNOWN, 5.9 MW
87.8339 85.5 deg 237.106 deg Mendoza Province, Argentina 1998/11/27 10:27:02 GMT (-32.1, -69.3) 127 km 5.2 MB, 5.5 UNKNOWN, 5.3 MD
87.53557 70.7 deg 34.12 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
84.996254 86.9 deg 236.256 deg Near Coast Of Central Chile 1998/07/29 07:14:24 GMT (-32.3, -71.3) 51 km 6.3 MB, 6.5 UNKNOWN, 6.5 ME
84.90102 55.0 deg 212.086 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
84.253624 43.3 deg 277.574 deg Ascension Island Region 1998/06/18 04:17:54 GMT (-11.6, -13.9) 10 km 6.1 MS, 5.4 MB, 6.2 UNKNOWN
84.20417 40.4 deg 104.304 deg Mid-Indian Ridge 1999/01/24 08:00:08 GMT (-26.5, 74.5) 10 km 6.0 MB, 6.3 MS, 6.3 MW, 6.3 ME

Losers

(34 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
78.312416 87.6 deg 237.409 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
75.89731 57.4 deg 28.556 deg Southern Iran 1999/03/04 05:38:26 GMT (28.3, 57.2) 33 km 6.2 MB, 6.5 MS, 6.6 MW, 6.4 MW
74.880905 59.5 deg 352.559 deg Southern Greece 1997/10/13 13:39:37 GMT (36.4, 22.1) 24 km 6.2 MB, 6.6 MS, 6.7 UNKNOWN, 6.5 MW
74.517235 80.9 deg 318.264 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
74.48029 84.3 deg 230.987 deg S. Chile-Argentina Border Region 1998/12/14 16:25:24 GMT (-38.2, -71.0) 138 km 6.0 UNKNOWN, 4.8 MS, 5.4 MB
73.16323 70.7 deg 33.058 deg Afghanistan-Tajikistan Bord Reg. 1998/05/30 06:22:28 GMT (37.1, 70.1) 33 km 5.9 MB, 6.9 MS, 6.6 UNKNOWN, 6.5 MW
72.43603 35.5 deg 81.438 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
71.33476 62.1 deg 28.529 deg Northern And Central Iran 1998/04/10 15:00:53 GMT (32.5, 60.0) 33 km 5.7 MS, 5.3 MB, 5.8 UNKNOWN, 5.6 MW
71.20376 95.5 deg 99.839 deg Banda Sea 1998/11/09 05:38:44 GMT (-6.9, 128.9) 33 km 6.4 MB, 7.0 MS, 7.3 UNKNOWN, 7.0 MW
68.94494 79.9 deg 94.639 deg Java, Indonesia 1998/09/28 13:34:30 GMT (-8.2, 112.4) 152 km 6.4 MB, 6.5 UNKNOWN, 6.5 MW
67.67344 49.3 deg 289.274 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
66.5706 52.9 deg 216.536 deg South Sandwich Islands Region 1998/08/29 08:30:21 GMT (-55.7, -27.0) 33 km 5.6 MB, 5.6 MS, 6.0 UNKNOWN, 5.9 MW
65.25458 70.7 deg 34.054 deg Afghanistan-Tajikistan Bord Reg. 1998/12/11 20:16:24 GMT (36.5, 71.0) 223 km 5.7 UNKNOWN, 5.0 MB, 5.6 MW
65.21825 85.0 deg 155.296 deg West Of Macquarie Island 1998/06/29 23:37:16 GMT (-60.4, 153.1) 10 km 5.8 MS, 5.0 MB, 6.3 UNKNOWN, 6.0 MW
65.05322 58.9 deg 351.474 deg Central Mediterranean Sea 1997/07/27 10:07:52 GMT (35.6, 21.1) 33 km 5.5 MB, 4.8 MS, 5.6 UNKNOWN, 5.2 ML
64.39576 88.7 deg 245.978 deg Northern Chile 1999/03/02 17:45:55 GMT (-22.7, -68.5) 111 km 5.8 MB, 6.1 MW, 5.9 MW
64.387245 89.7 deg 90.289 deg Minahassa Peninsula, Sulawesi 1998/10/10 16:29:08 GMT (-0.4, 119.9) 33 km 5.5 MS, 5.4 MB, 6.1 UNKNOWN
64.173676 95.6 deg 76.508 deg Luzon, Philippines 1998/08/23 05:36:12 GMT (14.7, 120.0) 70 km 6.1 MB, 6.1 UNKNOWN, 6.0 MW
63.466377 97.2 deg 86.879 deg Mindanao, Philippines 1997/10/05 19:00:02 GMT (5.7, 125.5) 224 km 5.6 MB, 5.8 UNKNOWN
63.16497 93.4 deg 173.524 deg Pacific-Antarctic Ridge 1997/09/12 14:09:03 GMT (-63.1, -164.3) 10 km 5.6 MS, 5.0 MB, 5.8 UNKNOWN, 5.8 MW
62.994106 41.9 deg 242.01 deg Southern Mid-Atlantic Ridge 1998/01/03 06:10:08 GMT (-35.5, -16.2) 10 km 5.9 MS, 5.4 MB, 6.3 UNKNOWN, 6.1 MW
62.961063 86.7 deg 246.558 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
62.34041 37.5 deg 80.015 deg Mid-Indian Ridge 1998/04/09 23:26:52 GMT (-12.2, 67.8) 10 km 5.5 MB, 5.4 MS, 5.9 UNKNOWN, 5.9 MW
61.777172 76.4 deg 35.728 deg Southern Xinjiang, China 1998/08/27 09:03:36 GMT (39.7, 77.3) 33 km 5.6 MB, 6.4 MS, 6.3 UNKNOWN, 6.3 MW
60.716675 89.6 deg 248.281 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
59.13848 69.0 deg 75.968 deg Northern Sumatra, Indonesia 1999/02/04 19:28:00 GMT (4.0, 95.3) 56 km 5.8 MB, 5.4 MS, 5.9 MW, 5.9 MW
58.488636 96.1 deg 98.456 deg Banda Sea 1997/09/26 15:48:34 GMT (-5.4, 129.0) 254 km 5.8 MB, 6.0 UNKNOWN, 6.0 MW
56.95679 92.6 deg 254.005 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
56.069572 96.6 deg 97.659 deg Banda Sea 1998/02/19 14:14:51 GMT (-4.5, 129.1) 33 km 6.1 MB, 6.4 MS, 6.5 UNKNOWN, 6.5 MW
55.75721 86.8 deg 160.441 deg Balleny Islands Region 1997/12/16 07:06:56 GMT (-62.9, 163.2) 10 km 5.6 MS, 4.7 MB
53.672367 79.3 deg 91.688 deg Java Sea 1997/07/11 09:55:12 GMT (-5.7, 110.8) 574 km 5.6 MB
52.852604 84.6 deg 151.411 deg West Of Macquarie Island 1997/10/17 09:55:15 GMT (-57.5, 148.0) 10 km 5.2 MB, 5.9 MS, 6.2 UNKNOWN, 6.0 MW
48.06294 70.7 deg 33.065 deg Afghanistan-Tajikistan Bord Reg. 1998/02/04 14:33:21 GMT (37.1, 70.1) 33 km 5.6 MB, 6.1 MS, 6.0 UNKNOWN, 5.9 MW
44.458035 96.8 deg 97.327 deg Banda Sea 1998/01/13 09:50:11 GMT (-4.1, 129.1) 44 km 5.9 MB, 5.5 MS, 5.9 UNKNOWN, 5.8 MW