Station XA SA16 - XA.SA16

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

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
SA16 XA.SA16 (-28.95, 22.20) 1997-04-22 / 1999-12-31 1026 m
Crust2 Type:I7,late Proter., 1 km seds.
Thickness Estimate:25 km
Thickness StdDev:11 km
Vp/Vs Estimate:1.98
Vp/Vs StdDev:0.12
Vs Estimate:3.335 km/s
Poisson's Ratio:0.33
Peak Value:0.01
Assumed Vp:6.612 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.827
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

5 with match > 90% ( 23.809525 %) and 9 with match > 80% ( 42.857143 %) out of 21.

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Azimuth Distribution of Events:

Prior Results for this Station

Study Thickness Vp/Vs Vp Vs Poissons Ratio Extra
EARS 25 km 1.98 6.612 km/s 3.335 km/s 0.33
Crust2.0 42 km 1.78 6.612 km/s 3.71 km/s 0.27 I7,late Proter., 1 km seds.
Global Maxima 25 km 1.98 6.612 km/s 3.335 km/s 0.33 amp=0.011399411
Local Maxima 1 34 km 1.77 6.612 km/s 3.73 km/s 0.27 amp=0.0103664445
Local Maxima 2 36 km 1.98 6.612 km/s 3.344 km/s 0.33 amp=0.00725627
Local Maxima 3 57 km 2.07 6.612 km/s 3.202 km/s 0.35 amp=0.0069219684
Local Maxima 4 29 km 1.73 6.612 km/s 3.833 km/s 0.25 amp=0.0067413272
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps3.71 SECOND
PpPs11.28 SECOND
PsPs/PpSs14.99 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
99.12489 79.4 deg 158.235 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
98.36325 78.4 deg 241.13 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
96.31891 80.8 deg 247.876 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
94.640015 76.8 deg 231.198 deg Off Coast Of Southern Chile 1998/04/01 22:42:56 GMT (-40.3, -74.9) 9.0 km 6.2 MB, 6.0 MS, 6.7 UNKNOWN, 6.6 ME
92.94984 78.5 deg 241.007 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
85.82625 44.6 deg 76.252 deg Mid-Indian Ridge 1998/03/22 01:08:57 GMT (-11.4, 66.2) 10 km 5.4 MB, 6.1 MS, 6.1 UNKNOWN, 6.1 MW
85.53484 79.5 deg 38.079 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
85.32574 67.8 deg 32.825 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
83.90568 95.6 deg 261.89 deg Northern Peru 1997/10/28 06:15:17 GMT (-4.4, -76.7) 112 km 6.6 MB, 6.3 MS, 7.2 UNKNOWN, 6.6 ME

Losers

(12 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
78.51345 46.2 deg 213.257 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
78.2482 31.4 deg 223.041 deg Southern Mid-Atlantic Ridge 1997/04/25 09:11:34 GMT (-48.3, -10.0) 10 km 5.8 MS, 5.3 MB, 5.8 UNKNOWN, 5.7 MW
75.91668 79.5 deg 242.439 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
73.365906 43.5 deg 79.179 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
71.534325 84.3 deg 257.529 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
67.05138 86.1 deg 94.295 deg Java Sea 1997/07/11 09:55:12 GMT (-5.7, 110.8) 574 km 5.6 MB
62.31272 78.7 deg 245.245 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
61.3169 80.0 deg 249.98 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
59.705765 80.9 deg 251.963 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
56.479416 97.1 deg 222.225 deg Southern Pacific Ocean 1997/05/29 17:02:38 GMT (-36.0, -102.5) 10 km 5.6 MB, 6.1 MS, 6.5 UNKNOWN, 6.4 MW
55.18043 45.3 deg 300.415 deg North Of Ascension Island 1998/04/10 16:40:38 GMT (-1.3, -15.7) 10 km 5.9 MS, 5.4 MB, 6.2 UNKNOWN, 6.1 MW
50.734543 90.5 deg 257.268 deg Central Peru 1998/02/19 04:21:30 GMT (-11.0, -74.4) 33 km 5.8 MB, 5.4 MS, 6.0 UNKNOWN, 5.9 MW