Station XA SA04 - XA.SA04

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

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
SA04 XA.SA04 (-32.85, 19.62) 1998-04-11 / 1999-12-31 1200 m
Crust2 Type:I1,late Proter., no seds.
Thickness Estimate:66 km
Thickness StdDev:11 km
Vp/Vs Estimate:2.04
Vp/Vs StdDev:0.19
Vs Estimate:3.264 km/s
Poisson's Ratio:0.34
Peak Value:0.02
Assumed Vp:6.642 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.872
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

0 with match > 90% ( 0.0 %) and 3 with match > 80% ( 37.5 %) out of 8.

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Azimuth Distribution of Events:

Prior Results for this Station

Study Thickness Vp/Vs Vp Vs Poissons Ratio Extra
EARS 66 km 2.04 6.642 km/s 3.264 km/s 0.34
Crust2.0 43 km 1.77 6.642 km/s 3.756 km/s 0.26 I1,late Proter., no seds.
Global Maxima 66 km 2.04 6.642 km/s 3.264 km/s 0.34 amp=0.02197927
Local Maxima 1 64 km 1.60 6.642 km/s 4.151 km/s 0.18 amp=0.017317286
Local Maxima 2 56 km 1.86 6.642 km/s 3.571 km/s 0.30 amp=0.014803333
Local Maxima 3 39 km 1.60 6.642 km/s 4.151 km/s 0.18 amp=0.012913771
Local Maxima 4 49 km 1.74 6.642 km/s 3.812 km/s 0.25 amp=0.011330969
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps10.21 SECOND
PpPs29.93 SECOND
PsPs/PpSs40.14 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

(3 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
88.24006 47.7 deg 97.346 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
85.021255 37.3 deg 296.801 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
84.6484 83.0 deg 254.788 deg Near Coast Of Peru 1999/04/03 06:17:18 GMT (-16.7, -72.7) 87 km 6.1 MB, 6.2 MS, 6.8 MW, 6.8 MW

Losers

(5 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
67.952965 74.0 deg 241.746 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
67.720764 77.5 deg 295.4 deg Northern Mid-Atlantic Ridge 1998/10/01 03:41:13 GMT (13.7, -45.6) 10 km 5.4 MB, 5.5 MS, 6.1 UNKNOWN, 5.9 MW
67.05355 70.5 deg 34.727 deg Southern Iran 1999/03/04 05:47:49 GMT (28.3, 57.1) 33 km 5.6 MB
61.958813 71.0 deg 236.397 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
56.530476 30.5 deg 251.132 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