Station XA SA48 - XA.SA48

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

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
SA48 XA.SA48 (-24.89, 29.22) 1998-05-01 / 1999-12-31 1000 m
Crust2 Type:G1,Archean, no seds.
Thickness Estimate:64 km
Thickness StdDev:17 km
Vp/Vs Estimate:1.93
Vp/Vs StdDev:0.11
Vs Estimate:3.338 km/s
Poisson's Ratio:0.32
Peak Value:0.01
Assumed Vp:6.459 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.795
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

4 with match > 90% ( 22.222221 %) and 7 with match > 80% ( 38.88889 %) 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 64 km 1.93 6.459 km/s 3.338 km/s 0.32
Crust2.0 37 km 1.76 6.459 km/s 3.665 km/s 0.26 G1,Archean, no seds.
Global Maxima 64 km 1.93 6.459 km/s 3.338 km/s 0.32 amp=0.011614065
Local Maxima 1 28 km 1.79 6.459 km/s 3.614 km/s 0.27 amp=0.0056011365
Local Maxima 2 37 km 1.89 6.459 km/s 3.413 km/s 0.31 amp=0.0046249777
Local Maxima 3 30 km 1.82 6.459 km/s 3.559 km/s 0.28 amp=0.0030563525
Local Maxima 4 51 km 1.68 6.459 km/s 3.856 km/s 0.22 amp=0.0030071924
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps9.19 SECOND
PpPs28.85 SECOND
PsPs/PpSs38.04 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

(7 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
96.288315 73.1 deg 43.848 deg Western Xizang-India Border Reg. 1999/03/28 19:05:11 GMT (30.5, 79.4) 15 km 6.4 MB, 6.6 MS, 6.6 MW, 6.5 ME
92.08118 41.4 deg 241.201 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
90.834694 86.9 deg 239.053 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
90.02918 94.7 deg 86.257 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
89.645164 40.7 deg 102.261 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
86.35717 42.9 deg 280.033 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
84.642395 90.4 deg 89.967 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

Losers

(11 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
76.41638 82.5 deg 231.43 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
73.85457 85.3 deg 236.661 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
72.09475 50.9 deg 217.297 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
70.71038 80.5 deg 94.624 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
69.62559 87.2 deg 246.353 deg Northern Chile 1999/03/02 17:45:55 GMT (-22.7, -68.5) 111 km 5.8 MB, 6.1 MW, 5.9 MW
66.61206 88.5 deg 98.46 deg Flores Region, Indonesia 1998/12/07 23:37:06 GMT (-8.3, 121.4) 33 km 5.5 MB, 5.4 MS, 5.9 UNKNOWN, 5.8 MW
64.14898 70.2 deg 75.674 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
62.38058 88.1 deg 297.971 deg Northern Mid-Atlantic Ridge 1999/04/06 04:51:05 GMT (24.5, -46.4) 10 km 5.6 MS, 5.3 MB, 5.9 MW, 5.8 MW
60.691742 59.5 deg 79.427 deg South Indian Ocean 1999/03/29 06:17:58 GMT (-4.0, 87.3) 10 km 5.5 MS, 5.4 MB, 5.8 MW, 5.8 MW
58.09857 69.6 deg 13.671 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
55.53685 85.2 deg 95.469 deg Bali Sea 1999/03/24 20:32:59 GMT (-7.0, 117.1) 621 km 5.9 MW, 5.3 MB