Station XA SA40 - XA.SA40
Network: XA97 - Anatomy of an Archean Craton, South Africa
Nearby stations (2 deg radius)
| Station | Name | (Lat, Lon) | Start / End | Elevation |
| SA40 | XA.SA40 | (-25.90, 27.15) | 1997-04-21 / 1999-12-31 | 1512 m |
| Crust2 Type: | G1,Archean, no seds. |
| Thickness Estimate: | 43 km |
| Thickness StdDev: | 2.7 km |
| Vp/Vs Estimate: | 1.76 |
| Vp/Vs StdDev: | 0.05 |
| Vs Estimate: | 3.66 km/s |
| Poisson's Ratio: | 0.26 |
| Peak Value: | 0.02 |
| Assumed Vp: | 6.459 km/s |
| Ps Weight: | 0.33333334 |
| PpPs Weight: | 0.33333334 |
| PsPs Weight: | 0.33333328 |
| Residual Complexity: | 0.637 |
| Nearby stations H: | +- |
| (2.0 deg) Vp/Vs: | +- |
6 with match > 90% ( 16.666666 %) and 12 with match > 80% ( 33.333332 %) out of 36.
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 | 43 km | 1.76 | 6.459 km/s | 3.66 km/s | 0.26 | |
| Crust2.0 | 37 km | 1.76 | 6.459 km/s | 3.665 km/s | 0.26 | G1,Archean, no seds. |
| Global Maxima | 43 km | 1.76 | 6.459 km/s | 3.66 km/s | 0.26 | amp=0.020522987 |
| Local Maxima 1 | 40 km | 1.81 | 6.459 km/s | 3.574 km/s | 0.28 | amp=0.015944572 |
| Local Maxima 2 | 38 km | 1.82 | 6.459 km/s | 3.544 km/s | 0.28 | amp=0.008905635 |
| Local Maxima 3 | 46 km | 1.67 | 6.459 km/s | 3.862 km/s | 0.22 | amp=0.0072241495 |
| Local Maxima 4 | 55 km | 1.60 | 6.459 km/s | 4.031 km/s | 0.18 | amp=0.0062531177 |
| Predicted Arrivals for vertical incidence (zero ray parameter) | |
| Ps | 5.06 SECOND |
| PpPs | 18.30 SECOND |
| PsPs/PpSs | 23.36 SECOND |
Events Processed for this Station
Download zip of receiver functions as SAC
Plot maxima for each earthquake.
Events Used in the Stack
(12 events)| Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude |
| 99.22153 | 80.5 deg | 156.893 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 |
| 98.43385 | 83.7 deg | 238.791 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 |
| 95.84212 | 86.0 deg | 245.483 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 |
| 95.56055 | 82.2 deg | 229.018 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 |
| 93.31962 | 74.5 deg | 35.412 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 |
| 92.15306 | 42.3 deg | 101.599 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 |
| 85.952736 | 83.8 deg | 238.671 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 |
| 85.86763 | 51.1 deg | 212.778 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 |
| 85.057144 | 84.6 deg | 239.323 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 |
| 84.30911 | 84.8 deg | 239.929 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 |
| 81.85413 | 41.2 deg | 282.406 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 |
| 80.66742 | 39.3 deg | 242.071 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
(24 events)| Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude | Reason |
| 95.36652 | 78.5 deg | 51.344 deg | Nepal | 1998/09/03 18:15:56 GMT | (27.9, 86.9) | 33 km | 5.6 MB | |
| 78.95972 | 83.2 deg | 237.525 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 | |
| 77.63874 | 38.6 deg | 79.401 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 | |
| 75.11465 | 38.2 deg | 244.891 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 | |
| 75.0573 | 79.5 deg | 157.018 deg | South Of Australia | 1998/03/25 12:17:22 GMT | (-63.6, 147.9) | 10 km | 5.8 MB, 6.1 MS, 6.5 UNKNOWN | |
| 70.38318 | 80.4 deg | 232.256 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 | |
| 69.30843 | 84.0 deg | 242.851 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 | |
| 68.085335 | 84.5 deg | 239.064 deg | Near Coast Of Central Chile | 1997/07/21 23:19:39 GMT | (-30.3, -71.9) | 33 km | 5.2 MB, 5.5 MS, 6.1 UNKNOWN | |
| 67.999214 | 95.5 deg | 255.096 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 | |
| 67.110435 | 89.3 deg | 255.151 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 | |
| 66.2496 | 97.6 deg | 101.466 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 | |
| 65.548775 | 84.8 deg | 240.092 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 | |
| 63.159645 | 74.6 deg | 35.391 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 | |
| 60.471943 | 83.3 deg | 152.203 deg | West Of Macquarie Island | 1997/10/17 09:55:15 GMT | (-57.5, 148.0) | 10 km | 5.2 MB, 5.9 MS, 6.2 UNKNOWN, 6.0 MW | |
| 59.714973 | 72.3 deg | 76.38 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 | |
| 55.12091 | 83.2 deg | 247.887 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 | |
| 54.9719 | 47.9 deg | 293.688 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 | |
| 52.301876 | 75.0 deg | 86.458 deg | Southern Sumatra, Indonesia | 1997/04/22 05:55:59 GMT | (-3.4, 102.1) | 108 km | 5.6 MB, 5.9 UNKNOWN, 5.9 MW | |
| 50.44116 | 90.5 deg | 251.903 deg | Southern Peru | 1998/10/08 04:51:42 GMT | (-16.1, -71.4) | 136 km | 6.1 MB, 6.4 UNKNOWN, 6.2 MW | |
| 49.975647 | 85.2 deg | 247.548 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 | |
| 48.115807 | 81.8 deg | 92.373 deg | Java Sea | 1997/07/11 09:55:12 GMT | (-5.7, 110.8) | 574 km | 5.6 MB | |
| 45.744083 | 40.6 deg | 78.288 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 | |
| 45.491283 | 86.1 deg | 249.53 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 | |
| 42.947556 | 89.4 deg | 107.407 deg | Western Australia | 1997/08/10 09:20:30 GMT | (-16.0, 124.3) | 10 km | 5.9 MB, 6.0 MS, 6.3 UNKNOWN, 6.3 MW |
