Station XA SA56 - XA.SA56

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

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
SA56 XA.SA56 (-23.01, 29.07) 1997-04-26 / 1999-12-31 909 m
Crust2 Type:G1,Archean, no seds.
Thickness Estimate:42 km
Thickness StdDev:0.2 km
Vp/Vs Estimate:1.72
Vp/Vs StdDev:0.01
Vs Estimate:3.755 km/s
Poisson's Ratio:0.24
Peak Value:0.06
Assumed Vp:6.459 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.266
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

5 with match > 90% ( 14.705882 %) and 14 with match > 80% ( 41.17647 %) out of 34.

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 1.72 6.459 km/s 3.755 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 1.72 6.459 km/s 3.755 km/s 0.24 amp=0.056482427
Local Maxima 1 40 km 1.74 6.459 km/s 3.723 km/s 0.25 amp=0.0140270805
Local Maxima 2 51 km 1.62 6.459 km/s 3.987 km/s 0.19 amp=0.012151094
Local Maxima 3 43 km 1.70 6.459 km/s 3.8 km/s 0.24 amp=0.008378747
Local Maxima 4 28 km 2.07 6.459 km/s 3.117 km/s 0.35 amp=0.0068188817
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps4.68 SECOND
PpPs17.69 SECOND
PsPs/PpSs22.37 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

(14 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
97.829834 82.5 deg 156.512 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
95.85133 88.8 deg 244.606 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
94.62072 85.4 deg 228.116 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
94.159645 71.1 deg 34.686 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
92.17042 86.8 deg 237.754 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
89.43795 37.2 deg 78.346 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
87.020744 87.7 deg 239.031 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
86.7701 41.2 deg 104.393 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
86.27471 42.2 deg 239.36 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
83.68506 42.4 deg 278.095 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
82.99603 41.1 deg 241.938 deg Southern Mid-Atlantic Ridge 1998/01/03 06:10:08 GMT (-35.5, -16.2) 10 km 5.9 MS, 5.4 MB, 6.3 UNKNOWN, 6.1 MW
81.66932 54.5 deg 211.94 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
81.46955 36.4 deg 81.946 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
80.14469 87.6 deg 238.424 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

Losers

(20 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
77.413925 77.5 deg 49.577 deg Xizang 1998/07/20 01:05:58 GMT (30.1, 88.2) 33 km 5.7 UNKNOWN, 5.4 MS, 5.4 MB
76.93357 57.8 deg 29.4 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
76.44619 86.2 deg 236.595 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
75.582115 76.9 deg 36.26 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
75.09676 80.3 deg 318.741 deg Azores Islands, Portugal 1997/06/27 04:39:52 GMT (38.3, -26.7) 10 km 5.6 MB, 5.4 MS, 5.9 UNKNOWN, 5.9 MW
72.58205 67.5 deg 50.744 deg Southern India 1997/05/21 22:51:28 GMT (23.1, 80.0) 36 km 6.0 MB, 5.6 MS, 5.8 UNKNOWN, 5.6 ME
70.91639 46.3 deg 126.313 deg Mid-Indian Ridge 1997/08/20 13:51:16 GMT (-41.7, 80.1) 10 km 5.6 MB, 6.4 MS, 6.5 UNKNOWN, 6.4 MW
70.25924 83.8 deg 238.515 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
69.94216 52.3 deg 216.379 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
69.38024 48.4 deg 289.917 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
66.886536 71.2 deg 34.665 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
66.00535 38.4 deg 80.54 deg Mid-Indian Ridge 1998/04/09 23:26:52 GMT (-12.2, 67.8) 10 km 5.5 MB, 5.4 MS, 5.9 UNKNOWN, 5.9 MW
64.490074 80.2 deg 92.046 deg Java Sea 1997/07/11 09:55:12 GMT (-5.7, 110.8) 574 km 5.6 MB
61.063564 69.9 deg 76.404 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
60.18889 87.8 deg 239.195 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
59.48916 59.5 deg 28.681 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
59.124413 87.9 deg 246.335 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
57.44009 83.6 deg 231.298 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
57.13037 80.7 deg 94.989 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
45.3696 84.8 deg 97.16 deg Sumbawa Region, Indonesia 1997/10/23 01:16:01 GMT (-8.7, 117.0) 160 km 5.5 MB