Station XA SA47 - XA.SA47

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

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
SA47 XA.SA47 (-24.85, 28.16) 1997-04-20 / 1999-12-31 1153 m
Crust2 Type:G1,Archean, no seds.
Thickness Estimate:30 km
Thickness StdDev:9.8 km
Vp/Vs Estimate:2.07
Vp/Vs StdDev:0.19
Vs Estimate:3.117 km/s
Poisson's Ratio:0.35
Peak Value:0.01
Assumed Vp:6.459 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.754
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

4 with match > 90% ( 15.384615 %) and 11 with match > 80% ( 42.307693 %) out of 26.

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 30 km 2.07 6.459 km/s 3.117 km/s 0.35
Crust2.0 37 km 1.76 6.459 km/s 3.665 km/s 0.26 G1,Archean, no seds.
Global Maxima 30 km 2.07 6.459 km/s 3.117 km/s 0.35 amp=0.007405855
Local Maxima 1 49 km 1.66 6.459 km/s 3.891 km/s 0.22 amp=0.005285082
Local Maxima 2 52 km 1.72 6.459 km/s 3.761 km/s 0.24 amp=0.0035599903
Local Maxima 3 40 km 2.02 6.459 km/s 3.206 km/s 0.34 amp=0.0028091795
Local Maxima 4 39 km 1.60 6.459 km/s 4.037 km/s 0.18 amp=0.0026012624
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps4.90 SECOND
PpPs14.03 SECOND
PsPs/PpSs18.93 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

(11 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
97.328636 65.7 deg 28.648 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
96.78199 85.0 deg 238.318 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
95.486725 87.3 deg 245.018 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
93.16303 73.1 deg 34.938 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
89.21011 86.1 deg 239.462 deg Near Coast Of Central Chile 1998/09/03 17:37:58 GMT (-29.5, -71.7) 27 km 6.2 MB, 6.6 MS, 6.5 UNKNOWN, 6.4 ME
87.92705 41.9 deg 280.611 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
86.748924 91.4 deg 90.408 deg Minahassa Peninsula, Sulawesi 1998/05/21 05:34:25 GMT (0.2, 119.6) 33 km 6.2 MB, 6.3 MS, 6.6 UNKNOWN, 6.6 MW
83.78259 94.5 deg 90.708 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
83.07446 52.5 deg 212.509 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
82.62259 50.1 deg 214.22 deg South Sandwich Islands Region 1997/06/02 21:24:38 GMT (-57.8, -25.5) 33 km 5.9 MB, 5.8 MS, 6.1 UNKNOWN, 6.1 MW
81.24082 40.6 deg 241.061 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

Losers

(15 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
94.228264 73.0 deg 34.843 deg Hindu Kush Region, Afghanistan 1997/12/17 05:51:29 GMT (36.4, 70.8) 207 km 5.5 MB, 6.3 UNKNOWN
87.585846 95.9 deg 180.574 deg Pacific-Antarctic Ridge 1998/08/07 01:40:16 GMT (-59.6, -150.7) 10 km 5.6 MS, 4.9 MB
78.8106 38.0 deg 222.036 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
74.76101 84.5 deg 237.051 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
74.36341 85.9 deg 238.856 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
73.514 84.4 deg 247.388 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
67.69292 37.5 deg 80.078 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
66.040115 86.1 deg 239.625 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
64.068634 81.8 deg 231.784 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
62.01204 90.5 deg 254.718 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
57.175423 87.3 deg 249.061 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
54.45159 91.9 deg 153.141 deg Macquarie Island Region 1998/06/16 09:35:11 GMT (-53.0, 159.8) 10 km 5.7 MS, 4.9 MB, 6.2 UNKNOWN, 6.1 MW
49.24877 78.9 deg 36.539 deg Southern Xinjiang, China 1998/08/27 09:03:36 GMT (39.7, 77.3) 33 km 5.6 MB, 6.4 MS, 6.3 UNKNOWN, 6.3 MW
48.61155 69.8 deg 14.459 deg Eastern Caucasus 1999/01/31 05:07:13 GMT (43.2, 46.8) 33 km 5.8 MW, 5.4 MS, 5.3 MB, 5.7 MW
42.862328 71.1 deg 76.212 deg Northern Sumatra, Indonesia 1999/02/04 19:28:00 GMT (4.0, 95.3) 56 km 5.8 MB, 5.4 MS, 5.9 MW, 5.9 MW