Station XA SA46 - XA.SA46

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

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
SA46 XA.SA46 (-24.84, 27.11) 1997-04-23 / 1999-12-31 1037 m
Crust2 Type:G1,Archean, no seds.
Thickness Estimate:38 km
Thickness StdDev:4.3 km
Vp/Vs Estimate:1.93
Vp/Vs StdDev:0.13
Vs Estimate:3.343 km/s
Poisson's Ratio:0.32
Peak Value:0.01
Assumed Vp:6.459 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.611
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

9 with match > 90% ( 20.454546 %) and 19 with match > 80% ( 43.18182 %) out of 44.

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 38 km 1.93 6.459 km/s 3.343 km/s 0.32
Crust2.0 37 km 1.76 6.459 km/s 3.665 km/s 0.26 G1,Archean, no seds.
Global Maxima 38 km 1.93 6.459 km/s 3.343 km/s 0.32 amp=0.009466752
Local Maxima 1 48 km 1.63 6.459 km/s 3.963 km/s 0.20 amp=0.0063101365
Local Maxima 2 40 km 1.75 6.459 km/s 3.702 km/s 0.26 amp=0.004274585
Local Maxima 3 29 km 2.01 6.459 km/s 3.214 km/s 0.34 amp=0.0038097173
Local Maxima 4 41 km 1.84 6.459 km/s 3.515 km/s 0.29 amp=0.0031437725
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps5.49 SECOND
PpPs17.25 SECOND
PsPs/PpSs22.74 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

(19 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
98.79774 81.5 deg 156.97 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
97.243484 84.2 deg 238.711 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
95.932625 73.6 deg 82.846 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
95.74211 74.4 deg 45.138 deg Western Xizang-India Border Reg. 1999/03/28 19:05:11 GMT (30.5, 79.4) 15 km 6.4 MB, 6.6 MS, 6.6 MW, 6.5 ME
95.07739 86.4 deg 245.435 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
94.56456 82.8 deg 228.927 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
93.91857 84.4 deg 238.593 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
93.25904 73.6 deg 35.612 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
91.38872 62.0 deg 29.852 deg Northern And Central Iran 1998/03/14 19:40:27 GMT (30.2, 57.6) 9.0 km 5.9 MB, 6.9 MS, 6.6 UNKNOWN, 6.3 ME
89.42639 85.3 deg 239.864 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
88.34765 39.8 deg 240.943 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
87.25947 42.5 deg 102.737 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
86.9675 37.4 deg 221.547 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
86.51776 95.4 deg 91.148 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
86.20016 83.7 deg 237.437 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
85.29708 92.3 deg 90.847 deg Minahassa Peninsula, Sulawesi 1998/05/21 05:34:25 GMT (0.2, 119.6) 33 km 6.2 MB, 6.3 MS, 6.6 UNKNOWN, 6.6 MW
83.86307 41.0 deg 281.246 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
83.75956 38.4 deg 80.734 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
81.629364 52.0 deg 212.32 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

Losers

(25 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
76.405914 38.6 deg 243.69 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
74.996185 70.1 deg 15.238 deg Eastern Caucasus 1999/01/31 05:07:13 GMT (43.2, 46.8) 33 km 5.8 MW, 5.4 MS, 5.3 MB, 5.7 MW
74.44909 73.7 deg 34.612 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
70.58935 80.5 deg 157.102 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
69.529236 84.9 deg 238.847 deg Near Coast Of Central Chile 1997/07/27 05:21:29 GMT (-30.5, -71.9) 33 km 5.6 MB, 5.8 MS, 6.3 UNKNOWN, 6.2 MW
68.87404 82.4 deg 95.488 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
67.80893 73.8 deg 35.59 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
67.59749 85.3 deg 240.028 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
66.39405 81.3 deg 239.391 deg San Juan Province, Argentina 1998/06/07 16:10:46 GMT (-31.5, -67.8) 113 km 5.6 MB, 5.9 UNKNOWN, 5.9 MW
66.065765 83.7 deg 223.19 deg Off Coast Of Southern Chile 1998/01/19 18:23:59 GMT (-45.0, -79.5) 10 km 5.5 MS, 5.4 MB, 6.2 UNKNOWN, 6.2 MW
63.45093 81.9 deg 319.185 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
62.952984 72.1 deg 76.729 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
62.72141 85.6 deg 247.485 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
61.970196 86.8 deg 249.099 deg Chile-Bolivia Border Region 1999/03/05 00:33:46 GMT (-20.4, -68.9) 111 km 5.7 MB, 5.9 MW, 5.8 MW
61.80795 95.9 deg 153.218 deg Auckland Islands, N.Z. Region 1998/03/20 21:08:08 GMT (-50.0, 163.1) 10 km 5.8 MB, 6.1 MS, 6.7 UNKNOWN, 6.4 MW
60.97751 96.8 deg 257.832 deg Peru-Brazil Border Region 1998/04/03 22:01:48 GMT (-8.1, -74.2) 165 km 6.1 MB, 5.6 MS, 6.6 UNKNOWN, 6.6 MW
59.866558 61.3 deg 80.529 deg South Indian Ocean 1999/03/29 06:17:58 GMT (-4.0, 87.3) 10 km 5.5 MS, 5.4 MB, 5.8 MW, 5.8 MW
59.718056 40.4 deg 79.525 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
58.82499 84.2 deg 152.27 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
58.76694 65.0 deg 30.403 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
58.725365 47.4 deg 292.834 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
58.601456 81.0 deg 232.133 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
58.36892 81.9 deg 92.54 deg Java Sea 1997/07/11 09:55:12 GMT (-5.7, 110.8) 574 km 5.6 MB
49.21742 86.4 deg 249.482 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
35.546673 83.7 deg 58.477 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