Station XA SA155 - XA.SA155

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

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
SA155 XA.SA155 (-22.88, 28.34) 1998-05-30 / 1999-12-31 900 m
Crust2 Type:G1,Archean, no seds.
Thickness Estimate:42 km
Thickness StdDev:2.3 km
Vp/Vs Estimate:1.71
Vp/Vs StdDev:0.05
Vs Estimate:3.772 km/s
Poisson's Ratio:0.24
Peak Value:0.04
Assumed Vp:6.459 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.424
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

2 with match > 90% ( 11.111111 %) and 5 with match > 80% ( 27.777779 %) out of 18.

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 1.71 6.459 km/s 3.772 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 1.71 6.459 km/s 3.772 km/s 0.24 amp=0.03914263
Local Maxima 1 34 km 1.87 6.459 km/s 3.454 km/s 0.30 amp=0.013951135
Local Maxima 2 45 km 1.71 6.459 km/s 3.783 km/s 0.24 amp=0.012699523
Local Maxima 3 36 km 1.88 6.459 km/s 3.44 km/s 0.30 amp=0.007823689
Local Maxima 4 52 km 1.60 6.459 km/s 4.031 km/s 0.18 amp=0.006933205
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps4.63 SECOND
PpPs17.64 SECOND
PsPs/PpSs22.27 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
92.99701 87.2 deg 239.296 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
90.8913 41.9 deg 104.625 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
89.50783 41.7 deg 278.348 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
88.440445 95.4 deg 86.428 deg Celebes Sea 1999/03/04 08:52:01 GMT (5.4, 121.9) 33 km 6.4 MB, 6.5 MS, 7.1 MW, 7.1 MW
81.71435 85.7 deg 236.846 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

Losers

(13 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
95.13198 83.1 deg 231.522 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
78.97201 58.0 deg 30.092 deg Southern Iran 1999/03/04 05:38:26 GMT (28.3, 57.2) 33 km 6.2 MB, 6.5 MS, 6.6 MW, 6.4 MW
77.667274 83.3 deg 238.748 deg San Juan Province, Argentina 1998/06/07 16:10:46 GMT (-31.5, -67.8) 113 km 5.6 MB, 5.9 UNKNOWN, 5.9 MW
76.46222 97.1 deg 100.571 deg Banda Sea 1998/11/09 05:30:14 GMT (-7.0, 129.0) 33 km 6.1 MB, 6.7 UNKNOWN, 6.6 ME
74.04034 97.0 deg 100.509 deg Banda Sea 1998/11/09 05:38:44 GMT (-6.9, 128.9) 33 km 6.4 MB, 7.0 MS, 7.3 UNKNOWN, 7.0 MW
73.73831 52.0 deg 216.182 deg South Sandwich Islands Region 1998/08/29 08:30:21 GMT (-55.7, -27.0) 33 km 5.6 MB, 5.6 MS, 6.0 UNKNOWN, 5.9 MW
72.97321 81.4 deg 95.284 deg Java, Indonesia 1998/09/28 13:34:30 GMT (-8.2, 112.4) 152 km 6.4 MB, 6.5 UNKNOWN, 6.5 MW
69.70644 85.7 deg 151.075 deg West Of Macquarie Island 1998/08/04 15:51:01 GMT (-56.7, 147.4) 10 km 5.5 MS, 5.3 MB
68.74776 71.5 deg 35.161 deg Afghanistan-Tajikistan Bord Reg. 1998/12/11 20:16:24 GMT (36.5, 71.0) 223 km 5.7 UNKNOWN, 5.0 MB, 5.6 MW
60.245216 77.2 deg 36.686 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
59.54445 91.2 deg 90.281 deg Minahassa Peninsula, Sulawesi 1999/02/23 07:27:56 GMT (0.2, 119.5) 33 km 5.6 MB, 5.8 MS
58.78857 70.5 deg 76.79 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
37.345543 96.1 deg 92.733 deg Southern Molucca Sea 1998/08/28 12:40:58 GMT (-0.2, 125.0) 66 km 6.2 MB, 6.1 UNKNOWN, 6.1 MW