Station XA SA45 - XA.SA45

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

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
SA45 XA.SA45 (-24.88, 26.16) 1997-04-23 / 1999-12-31 1015 m
Crust2 Type:G1,Archean, no seds.
Thickness Estimate:38 km
Thickness StdDev:7.5 km
Vp/Vs Estimate:1.94
Vp/Vs StdDev:0.13
Vs Estimate:3.33 km/s
Poisson's Ratio:0.32
Peak Value:0.00
Assumed Vp:6.459 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.767
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

10 with match > 90% ( 23.809525 %) and 18 with match > 80% ( 42.857143 %) out of 42.

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 1.94 6.459 km/s 3.33 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 1.94 6.459 km/s 3.33 km/s 0.32 amp=0.004657515
Local Maxima 1 38 km 2.08 6.459 km/s 3.106 km/s 0.35 amp=0.0032518613
Local Maxima 2 46 km 1.73 6.459 km/s 3.734 km/s 0.25 amp=0.0030359095
Local Maxima 3 34 km 1.97 6.459 km/s 3.287 km/s 0.33 amp=0.00281477
Local Maxima 4 60 km 1.60 6.459 km/s 4.037 km/s 0.18 amp=0.0025026668
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps5.49 SECOND
PpPs17.18 SECOND
PsPs/PpSs22.68 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

(18 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
98.73657 81.8 deg 157.246 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
98.56618 83.5 deg 239.062 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
98.062935 66.6 deg 30.177 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
96.1328 75.1 deg 45.69 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
94.812294 84.5 deg 240.224 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
94.28038 83.6 deg 238.945 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
93.34988 82.1 deg 229.252 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
91.74163 36.8 deg 221.125 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
91.73547 74.2 deg 36.201 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
90.25638 40.1 deg 281.889 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
89.572845 39.0 deg 240.873 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
86.66713 96.3 deg 91.55 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
85.922935 43.4 deg 102.885 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
85.51235 62.3 deg 355.06 deg Ionian Sea 1997/11/18 13:07:41 GMT (37.6, 20.7) 33 km 5.9 MB, 6.4 MS, 6.7 UNKNOWN, 6.1 ML
82.682846 51.5 deg 212.161 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
81.14091 49.3 deg 216.714 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
81.11514 82.9 deg 237.782 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
80.13529 74.3 deg 36.242 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

Losers

(24 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
95.38497 78.6 deg 52.037 deg Nepal 1998/09/03 18:15:56 GMT (27.9, 86.9) 33 km 5.6 MB
87.72451 98.0 deg 186.185 deg Pacific-Antarctic Ridge 1998/10/11 23:36:22 GMT (-56.9, -142.6) 10 km 5.2 MB, 5.7 MS, 6.3 UNKNOWN, 6.2 MW
81.31498 84.4 deg 239.615 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
79.60005 90.9 deg 100.436 deg Savu Sea 1998/11/08 07:25:48 GMT (-9.1, 121.4) 33 km 6.0 MB, 5.9 MS, 6.4 UNKNOWN, 5.7 ME
79.43304 80.3 deg 232.447 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
77.94985 39.3 deg 81.245 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
77.60818 47.4 deg 124.612 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
71.96264 80.8 deg 157.364 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
69.11921 41.3 deg 80.049 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
66.73692 97.5 deg 194.064 deg Pacific-Antarctic Ridge 1997/09/03 06:22:44 GMT (-55.2, -129.0) 10 km 5.1 MB, 6.0 MS, 6.1 UNKNOWN, 6.0 MW
65.567764 74.3 deg 36.178 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
64.58583 66.6 deg 18.902 deg Armenia-Azerbaijan-Iran Bord Reg 1998/07/09 14:19:18 GMT (38.7, 48.5) 26 km 5.9 MB, 6.0 UNKNOWN, 5.7 ME
62.92209 62.2 deg 80.977 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
61.7164 72.9 deg 77.173 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
60.79563 48.6 deg 215.221 deg South Sandwich Islands Region 1998/10/03 06:48:12 GMT (-56.6, -25.4) 33 km 5.5 MS, 4.9 MB
59.415398 46.7 deg 293.579 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
57.47811 88.7 deg 255.55 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
56.714302 86.0 deg 249.477 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
56.269184 82.8 deg 92.924 deg Java Sea 1997/07/11 09:55:12 GMT (-5.7, 110.8) 574 km 5.6 MB
56.049133 84.5 deg 240.388 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
55.843952 74.1 deg 77.452 deg Northern Sumatra, Indonesia 1997/08/20 07:15:15 GMT (4.4, 96.5) 33 km 5.9 MB, 6.0 MS, 6.1 UNKNOWN, 6.0 MW
54.463085 82.7 deg 248.15 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
54.081017 83.7 deg 243.13 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
53.24815 84.8 deg 247.856 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