Station XA SA65 - XA.SA65

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

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
SA65 XA.SA65 (-22.82, 27.22) 1997-05-01 / 1999-12-31 907 m
Crust2 Type:G1,Archean, no seds.
Thickness Estimate:42 km
Thickness StdDev:0.4 km
Vp/Vs Estimate:1.72
Vp/Vs StdDev:0.03
Vs Estimate:3.755 km/s
Poisson's Ratio:0.24
Peak Value:0.03
Assumed Vp:6.459 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.482
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

5 with match > 90% ( 21.73913 %) and 8 with match > 80% ( 34.782608 %) 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 42 km 1.72 6.459 km/s 3.755 km/s 0.24
Crust2.0 37 km 1.76 6.459 km/s 3.665 km/s 0.26 G1,Archean, no seds.
Global Maxima 42 km 1.72 6.459 km/s 3.755 km/s 0.24 amp=0.031512246
Local Maxima 1 32 km 1.95 6.459 km/s 3.308 km/s 0.32 amp=0.013975421
Local Maxima 2 39 km 1.72 6.459 km/s 3.761 km/s 0.24 amp=0.0103567885
Local Maxima 3 45 km 1.92 6.459 km/s 3.364 km/s 0.31 amp=0.005859702
Local Maxima 4 41 km 1.74 6.459 km/s 3.707 km/s 0.25 amp=0.0054410677
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps4.74 SECOND
PpPs17.90 SECOND
PsPs/PpSs22.63 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

(8 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
98.759315 85.4 deg 238.514 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
97.46631 87.3 deg 245.293 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
96.71445 71.9 deg 35.905 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
95.503105 85.5 deg 238.4 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
90.65163 72.1 deg 35.946 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
88.01363 95.4 deg 90.913 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
83.7497 53.8 deg 211.537 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
82.45676 86.2 deg 239.085 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

Losers

(15 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
78.414764 39.7 deg 241.51 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
74.99354 72.4 deg 81.151 deg Northern Sumatra, Indonesia 1997/07/07 11:24:37 GMT (1.1, 97.6) 29 km 5.7 MS, 5.4 MB, 5.9 UNKNOWN, 5.8 MW
73.60677 60.4 deg 354.001 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
72.27472 86.4 deg 239.86 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
69.53042 77.9 deg 59.578 deg India-Bangladesh Border Region 1997/11/21 11:23:06 GMT (22.2, 92.7) 54 km 5.9 MB, 6.1 UNKNOWN, 6.1 MW
66.32295 84.4 deg 247.552 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
65.923935 81.9 deg 92.781 deg Java Sea 1997/07/11 09:55:12 GMT (-5.7, 110.8) 574 km 5.6 MB
64.023445 47.8 deg 126.229 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
59.237247 87.8 deg 161.411 deg Balleny Islands Region 1997/12/16 07:06:56 GMT (-62.9, 163.2) 10 km 5.6 MS, 4.7 MB
58.74097 79.1 deg 319.671 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
58.54365 90.2 deg 255.108 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
57.83942 86.1 deg 238.704 deg Near Coast Of Central Chile 1997/07/25 06:47:02 GMT (-30.5, -71.9) 33 km 5.6 MB, 5.5 MS, 6.3 UNKNOWN
56.386127 87.2 deg 249.334 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
51.673622 85.5 deg 242.574 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
38.53511 38.0 deg 83.198 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