Station XA SA66 - XA.SA66

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

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
SA66 XA.SA66 (-21.90, 26.37) 1997-05-02 / 1999-12-31 1057 m
Crust2 Type:G1,Archean, no seds.
Thickness Estimate:40 km
Thickness StdDev:5.5 km
Vp/Vs Estimate:1.64
Vp/Vs StdDev:0.16
Vs Estimate:3.939 km/s
Poisson's Ratio:0.20
Peak Value:0.01
Assumed Vp:6.459 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.804
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

5 with match > 90% ( 21.73913 %) and 9 with match > 80% ( 39.130436 %) out of 23.

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 40 km 1.64 6.459 km/s 3.939 km/s 0.20
Crust2.0 37 km 1.76 6.459 km/s 3.665 km/s 0.26 G1,Archean, no seds.
Global Maxima 40 km 1.64 6.459 km/s 3.939 km/s 0.20 amp=0.014046271
Local Maxima 1 45 km 1.78 6.459 km/s 3.624 km/s 0.27 amp=0.013745901
Local Maxima 2 35 km 1.98 6.459 km/s 3.258 km/s 0.33 amp=0.01155608
Local Maxima 3 40 km 2.09 6.459 km/s 3.094 km/s 0.35 amp=0.0067932275
Local Maxima 4 34 km 1.72 6.459 km/s 3.75 km/s 0.25 amp=0.006428811
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps4.01 SECOND
PpPs16.55 SECOND
PsPs/PpSs20.57 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

(9 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
98.761116 84.4 deg 157.324 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
96.37634 80.9 deg 46.568 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
96.35529 87.0 deg 245.557 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
95.3723 71.7 deg 36.612 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
95.335335 85.2 deg 238.737 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
87.07304 71.8 deg 36.65 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
86.76195 54.1 deg 211.024 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
85.898994 96.2 deg 91.143 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
82.47307 39.4 deg 240.401 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

(14 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
76.421646 38.7 deg 84.77 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
74.09467 86.1 deg 247.56 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
70.35985 77.9 deg 319.995 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
68.95217 89.6 deg 255.427 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
66.674644 87.1 deg 152.617 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
66.6194 48.9 deg 126.787 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
61.843807 84.0 deg 247.757 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
61.644135 82.8 deg 59.106 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
52.809204 86.2 deg 240.105 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
45.3791 85.2 deg 242.799 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
43.66197 86.8 deg 249.597 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
41.021206 87.4 deg 98.238 deg Sumbawa Region, Indonesia 1997/10/23 01:16:01 GMT (-8.7, 117.0) 160 km 5.5 MB
33.275444 82.7 deg 93.22 deg Java Sea 1997/07/11 09:55:12 GMT (-5.7, 110.8) 574 km 5.6 MB
23.24221 85.3 deg 238.626 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