Station XA SA39 - XA.SA39

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

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
SA39 XA.SA39 (-25.90, 26.15) 1997-04-22 / 1999-12-31 1545 m
Crust2 Type:G1,Archean, no seds.
Thickness Estimate:42 km
Thickness StdDev:2.6 km
Vp/Vs Estimate:1.70
Vp/Vs StdDev:0.03
Vs Estimate:3.8 km/s
Poisson's Ratio:0.24
Peak Value:0.05
Assumed Vp:6.459 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.388
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

2 with match > 90% ( 12.5 %) and 5 with match > 80% ( 31.25 %) out of 16.

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 1.70 6.459 km/s 3.8 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 1.70 6.459 km/s 3.8 km/s 0.24 amp=0.047448754
Local Maxima 1 42 km 1.73 6.459 km/s 3.728 km/s 0.25 amp=0.020249227
Local Maxima 2 40 km 1.71 6.459 km/s 3.772 km/s 0.24 amp=0.010425048
Local Maxima 3 27 km 1.72 6.459 km/s 3.766 km/s 0.24 amp=0.008042447
Local Maxima 4 35 km 1.84 6.459 km/s 3.52 km/s 0.29 amp=0.0077054133
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps4.52 SECOND
PpPs17.45 SECOND
PsPs/PpSs21.98 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

(5 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
98.63785 82.9 deg 239.17 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
92.44393 75.0 deg 36.045 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
83.84392 50.7 deg 212.595 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
83.535805 96.3 deg 91.667 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
82.89535 39.5 deg 80.036 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
83.41859 83.8 deg 239.71 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
71.26727 83.7 deg 152.546 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
62.69993 88.4 deg 255.58 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
61.468273 82.7 deg 92.801 deg Java Sea 1997/07/11 09:55:12 GMT (-5.7, 110.8) 574 km 5.6 MB
60.313602 83.7 deg 239.334 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
60.010708 91.6 deg 94.933 deg Sulawesi, Indonesia 1997/09/28 01:38:28 GMT (-3.8, 119.7) 33 km 5.6 MB, 5.5 MS, 5.9 UNKNOWN, 5.9 MW
59.41895 83.2 deg 243.239 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
58.562935 98.1 deg 190.198 deg Pacific-Antarctic Ridge 1997/05/27 06:10:31 GMT (-54.9, -136.2) 10 km 5.9 MS, 5.3 MB, 6.1 UNKNOWN, 6.0 MW
56.570526 82.4 deg 248.278 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
54.406425 84.0 deg 240.481 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
40.056442 85.3 deg 249.94 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