Station XA SA72 - XA.SA72
Network: XA97 - Anatomy of an Archean Craton, South Africa
Nearby stations (2 deg radius)
| Station | Name | (Lat, Lon) | Start / End | Elevation |
| SA72 | XA.SA72 | (-20.14, 28.61) | 1997-04-26 / 1999-12-31 | 1337 m |
| Crust2 Type: | G1,Archean, no seds. |
| Thickness Estimate: | 38 km |
| Thickness StdDev: | 0.4 km |
| Vp/Vs Estimate: | 1.72 |
| Vp/Vs StdDev: | 0.01 |
| Vs Estimate: | 3.761 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: | 0.489 |
| Nearby stations H: | +- |
| (2.0 deg) Vp/Vs: | +- |
11 with match > 90% ( 29.72973 %) and 18 with match > 80% ( 48.648647 %) out of 37.
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 | 38 km | 1.72 | 6.459 km/s | 3.761 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 | 38 km | 1.72 | 6.459 km/s | 3.761 km/s | 0.24 | amp=0.056287006 |
| Local Maxima 1 | 36 km | 1.75 | 6.459 km/s | 3.691 km/s | 0.26 | amp=0.028234622 |
| Local Maxima 2 | 34 km | 1.76 | 6.459 km/s | 3.665 km/s | 0.26 | amp=0.016671158 |
| Local Maxima 3 | 31 km | 1.83 | 6.459 km/s | 3.53 km/s | 0.29 | amp=0.010178807 |
| Local Maxima 4 | 40 km | 1.68 | 6.459 km/s | 3.845 km/s | 0.23 | amp=0.009290811 |
| Predicted Arrivals for vertical incidence (zero ray parameter) | |
| Ps | 4.22 SECOND |
| PpPs | 15.99 SECOND |
| PsPs/PpSs | 20.21 SECOND |
Events Processed for this Station
Download zip of receiver functions as SAC
Plot maxima for each earthquake.
Events Used in the Stack
(18 events)| Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude |
| 98.106544 | 78.2 deg | 45.734 deg | Xizang | 1997/11/08 10:02:52 GMT | (35.1, 87.3) | 33 km | 6.2 MB, 7.9 MS, 7.7 UNKNOWN, 7.6 MW |
| 97.8188 | 71.7 deg | 83.676 deg | Southern Sumatra, Indonesia | 1998/04/01 17:56:23 GMT | (-0.5, 99.3) | 56 km | 6.2 MB, 6.9 MS, 7.0 UNKNOWN, 6.6 ME |
| 97.36654 | 87.9 deg | 237.914 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 |
| 96.65476 | 87.0 deg | 228.124 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 |
| 96.16776 | 89.6 deg | 244.738 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 |
| 94.61526 | 88.8 deg | 239.12 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 |
| 94.132256 | 42.4 deg | 107.493 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 |
| 92.32311 | 69.2 deg | 35.618 deg | Afghanistan-Tajikistan Bord Reg. | 1998/02/20 12:18:06 GMT | (36.5, 71.1) | 236 km | 5.8 MB, 5.7 MS, 6.4 UNKNOWN, 6.3 MW |
| 91.76495 | 88.0 deg | 237.805 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 |
| 91.63752 | 94.1 deg | 90.185 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 |
| 91.0166 | 43.4 deg | 236.671 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 |
| 88.32776 | 57.3 deg | 29.939 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 |
| 88.03511 | 87.4 deg | 236.618 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 |
| 87.92703 | 41.7 deg | 275.181 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 |
| 85.49257 | 80.7 deg | 92.69 deg | Java Sea | 1997/07/11 09:55:12 GMT | (-5.7, 110.8) | 574 km | 5.6 MB |
| 85.19512 | 56.7 deg | 210.842 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 |
| 84.8728 | 42.1 deg | 239.074 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 |
| 81.1775 | 77.9 deg | 318.612 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 |
Losers
(19 events)| Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude | Reason |
| 96.76292 | 73.9 deg | 51.671 deg | Nepal | 1998/09/03 18:15:56 GMT | (27.9, 86.9) | 33 km | 5.6 MB | |
| 78.8407 | 36.5 deg | 86.016 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 | |
| 73.51119 | 38.4 deg | 84.347 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 | |
| 73.29518 | 79.3 deg | 317.929 deg | Azores Islands, Portugal | 1998/07/09 05:19:07 GMT | (38.7, -28.6) | 10 km | 5.7 MB, 6.0 MS, 6.6 UNKNOWN, 6.2 MW | |
| 73.23633 | 86.6 deg | 246.892 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 | |
| 72.95773 | 98.2 deg | 90.763 deg | Northern Molucca Sea | 1997/09/17 14:50:35 GMT | (2.1, 126.6) | 33 km | 5.7 MB, 5.5 MS, 6.2 UNKNOWN, 5.9 MW | |
| 72.90693 | 69.1 deg | 34.556 deg | Afghanistan-Tajikistan Bord Reg. | 1998/02/04 14:33:21 GMT | (37.1, 70.1) | 33 km | 5.6 MB, 6.1 MS, 6.0 UNKNOWN, 5.9 MW | |
| 70.780426 | 88.9 deg | 239.286 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 | |
| 70.653885 | 54.4 deg | 215.051 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 | |
| 68.82529 | 69.7 deg | 77.631 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 | |
| 68.24665 | 56.6 deg | 353.675 deg | Southern Greece | 1997/10/13 13:39:37 GMT | (36.4, 22.1) | 24 km | 6.2 MB, 6.6 MS, 6.7 UNKNOWN, 6.5 MW | |
| 65.39968 | 76.0 deg | 50.324 deg | Xizang | 1998/07/20 01:05:58 GMT | (30.1, 88.2) | 33 km | 5.7 UNKNOWN, 5.4 MS, 5.4 MB | |
| 61.90853 | 96.3 deg | 76.705 deg | Luzon, Philippines | 1998/08/23 05:36:12 GMT | (14.7, 120.0) | 70 km | 6.1 MB, 6.1 UNKNOWN, 6.0 MW | |
| 56.736008 | 89.4 deg | 248.769 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 | |
| 56.54647 | 88.7 deg | 246.725 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 | |
| 55.43887 | 96.0 deg | 92.346 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 | |
| 52.252216 | 70.1 deg | 74.027 deg | Nicobar Islands, India Region | 1998/08/10 09:52:14 GMT | (7.3, 94.3) | 33 km | 5.9 MB, 5.8 MS, 6.0 UNKNOWN | |
| 46.041718 | 92.1 deg | 254.646 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 | |
| 37.989964 | 98.3 deg | 255.152 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 |
