Station XA SA71 - XA.SA71

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

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
SA71 XA.SA71 (-20.93, 27.14) 1997-04-28 / 1999-12-31 1072 m
Crust2 Type:G1,Archean, no seds.
Thickness Estimate:50 km
Thickness StdDev:4.3 km
Vp/Vs Estimate:1.63
Vp/Vs StdDev:0.09
Vs Estimate:3.951 km/s
Poisson's Ratio:0.20
Peak Value:0.02
Assumed Vp:6.459 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.739
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

6 with match > 90% ( 28.571428 %) and 10 with match > 80% ( 47.61905 %) out of 21.

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 50 km 1.63 6.459 km/s 3.951 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 50 km 1.63 6.459 km/s 3.951 km/s 0.20 amp=0.016234573
Local Maxima 1 42 km 1.80 6.459 km/s 3.599 km/s 0.27 amp=0.012206227
Local Maxima 2 41 km 1.75 6.459 km/s 3.691 km/s 0.26 amp=0.006629739
Local Maxima 3 27 km 1.75 6.459 km/s 3.691 km/s 0.26 amp=0.0046642455
Local Maxima 4 52 km 1.60 6.459 km/s 4.031 km/s 0.18 amp=0.0034623884
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps4.92 SECOND
PpPs20.40 SECOND
PsPs/PpSs25.31 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

(10 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
97.81187 86.3 deg 238.424 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
97.07474 62.7 deg 30.37 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
95.54825 70.5 deg 36.334 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
92.37274 86.4 deg 238.314 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
91.144905 58.6 deg 30.949 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
90.00587 70.6 deg 36.372 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
87.76261 95.5 deg 90.764 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
87.74606 55.3 deg 210.827 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
82.461 87.1 deg 239.019 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
81.42994 37.9 deg 85.638 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

Losers

(11 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
80.02827 62.7 deg 30.041 deg Northern And Central Iran 1997/06/25 19:38:40 GMT (33.9, 59.5) 10 km 5.5 MB, 5.8 MS, 6.0 UNKNOWN, 5.9 MW
78.5892 82.1 deg 93.075 deg Java Sea 1997/07/11 09:55:12 GMT (-5.7, 110.8) 574 km 5.6 MB
73.809425 87.3 deg 239.798 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
70.4346 85.1 deg 247.418 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
68.73531 49.0 deg 127.558 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
66.67072 67.6 deg 52.594 deg Southern India 1997/05/21 22:51:28 GMT (23.1, 80.0) 36 km 6.0 MB, 5.6 MS, 5.8 UNKNOWN, 5.6 ME
66.12108 87.1 deg 247.245 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
65.55478 77.0 deg 59.979 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
59.998142 87.1 deg 238.755 deg Near Coast Of Central Chile 1997/07/21 23:19:39 GMT (-30.3, -71.9) 33 km 5.2 MB, 5.5 MS, 6.1 UNKNOWN
57.881588 77.6 deg 319.461 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
49.002003 86.3 deg 242.481 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