Station XA SA51 - XA.SA51

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

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
SA51 XA.SA51 (-23.86, 28.16) 1997-04-24 / 1999-12-31 1233 m
Crust2 Type:G1,Archean, no seds.
Thickness Estimate:34 km
Thickness StdDev:1.1 km
Vp/Vs Estimate:2.06
Vp/Vs StdDev:0.04
Vs Estimate:3.143 km/s
Poisson's Ratio:0.34
Peak Value:0.02
Assumed Vp:6.459 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.526
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

8 with match > 90% ( 16.32653 %) and 17 with match > 80% ( 34.69388 %) out of 49.

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 2.06 6.459 km/s 3.143 km/s 0.34
Crust2.0 37 km 1.76 6.459 km/s 3.665 km/s 0.26 G1,Archean, no seds.
Global Maxima 34 km 2.06 6.459 km/s 3.143 km/s 0.34 amp=0.01810742
Local Maxima 1 37 km 1.96 6.459 km/s 3.291 km/s 0.32 amp=0.008481245
Local Maxima 2 44 km 1.60 6.459 km/s 4.037 km/s 0.18 amp=0.005883122
Local Maxima 3 48 km 1.76 6.459 km/s 3.665 km/s 0.26 amp=0.0055202045
Local Maxima 4 50 km 1.72 6.459 km/s 3.761 km/s 0.24 amp=0.003334424
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps5.59 SECOND
PpPs16.20 SECOND
PsPs/PpSs21.79 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

(17 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
98.64389 82.0 deg 156.723 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
97.616165 85.5 deg 238.252 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
96.05234 40.3 deg 75.407 deg Mid-Indian Ridge 1998/12/02 23:41:17 GMT (-9.1, 67.5) 10 km 5.9 UNKNOWN, 5.2 MS, 5.0 MB, 5.7 MW
95.18029 81.1 deg 45.475 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
93.990234 72.5 deg 82.674 deg Southern Sumatra, Indonesia 1998/04/01 17:56:23 GMT (-0.5, 99.3) 56 km 6.2 MB, 6.9 MS, 7.0 UNKNOWN, 6.6 ME
93.59934 87.7 deg 244.981 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
93.50493 84.2 deg 228.486 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
91.07921 85.7 deg 238.135 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
89.21872 41.1 deg 240.073 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
88.68022 41.7 deg 279.535 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
87.08449 50.9 deg 213.768 deg South Sandwich Islands Region 1997/06/02 21:24:38 GMT (-57.8, -25.5) 33 km 5.9 MB, 5.8 MS, 6.1 UNKNOWN, 6.1 MW
85.731865 86.6 deg 239.409 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
85.62393 38.8 deg 221.213 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
85.59568 41.8 deg 103.591 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
83.62261 85.0 deg 236.978 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
82.38512 95.6 deg 86.594 deg Celebes Sea 1999/03/04 08:52:01 GMT (5.4, 121.9) 33 km 6.4 MB, 6.5 MS, 7.1 MW, 7.1 MW
81.02924 39.9 deg 242.727 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

Losers

(32 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
88.438896 86.4 deg 238.802 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
80.38844 88.1 deg 168.214 deg Balleny Islands Region 1997/09/23 17:51:23 GMT (-65.5, 178.8) 10 km 5.9 MS, 5.0 MB
79.35635 81.0 deg 156.878 deg South Of Australia 1998/03/25 12:17:22 GMT (-63.6, 147.9) 10 km 5.8 MB, 6.1 MS, 6.5 UNKNOWN
76.94435 97.0 deg 100.704 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
76.30722 37.3 deg 81.346 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
75.99184 94.5 deg 90.633 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
74.93415 61.2 deg 353.381 deg Ionian Sea 1997/11/18 13:13:46 GMT (37.3, 20.9) 33 km 5.5 ML, 5.4 MB
74.12701 40.8 deg 243.146 deg Southern Mid-Atlantic Ridge 1998/04/25 06:07:23 GMT (-35.3, -17.3) 10 km 5.5 MB, 5.5 MS
73.38525 86.6 deg 239.573 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
71.81816 59.0 deg 29.954 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
71.69666 53.3 deg 212.112 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
71.64581 81.5 deg 95.208 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
70.48658 89.9 deg 94.065 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
68.29113 84.8 deg 247.305 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
67.75522 81.8 deg 318.561 deg Azores Islands, Portugal 1998/07/09 05:19:07 GMT (38.7, -28.6) 10 km 5.7 MB, 6.0 MS, 6.6 UNKNOWN, 6.2 MW
66.133736 81.0 deg 92.263 deg Java Sea 1997/07/11 09:55:12 GMT (-5.7, 110.8) 574 km 5.6 MB
65.424324 78.7 deg 49.918 deg Xizang 1998/07/20 01:05:58 GMT (30.1, 88.2) 33 km 5.7 UNKNOWN, 5.4 MS, 5.4 MB
64.94651 80.4 deg 319.307 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
64.324135 48.0 deg 291.259 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
62.721107 97.9 deg 92.104 deg Northern Molucca Sea 1998/12/06 00:47:13 GMT (1.3, 126.2) 33 km 6.3 MB, 6.2 MS, 6.6 UNKNOWN, 6.5 ME
62.153206 86.5 deg 161.066 deg Balleny Islands Region 1997/12/16 07:06:56 GMT (-62.9, 163.2) 10 km 5.6 MS, 4.7 MB
59.055725 84.6 deg 151.967 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
57.64985 86.8 deg 246.719 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
56.800877 91.3 deg 90.375 deg Minahassa Peninsula, Sulawesi 1999/02/23 07:27:56 GMT (0.2, 119.5) 33 km 5.6 MB, 5.8 MS
54.81757 90.7 deg 254.73 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
54.44955 83.6 deg 237.826 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
51.409252 70.9 deg 76.542 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
51.192272 82.4 deg 58.087 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
50.74506 87.7 deg 249.023 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
48.15628 91.4 deg 91.044 deg Minahassa Peninsula, Sulawesi 1998/10/10 16:32:19 GMT (-0.4, 119.8) 33 km 5.7 MB, 5.6 MS, 6.0 UNKNOWN, 6.0 MW
35.658203 78.0 deg 91.083 deg Java, Indonesia 1999/03/07 01:32:27 GMT (-5.8, 107.6) 325 km 5.6 MW, 5.0 MB
30.14582 82.4 deg 231.678 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