Station 8A NEPA - Namibia
Network: 8A - AfricaArray - Namibia
Nearby stations (2 deg radius)
| Station | Name | (Lat, Lon) | Start / End | Elevation |
| NEPA | Namibia | (-17.77, 18.46) | 2015-05-01 / 2018-12-31 | 1129 m |
| Crust2 Type: | I3,late Proter., 3.5 km seds. |
| Thickness Estimate: | 42 km |
| Thickness StdDev: | 3.3 km |
| Vp/Vs Estimate: | 1.83 |
| Vp/Vs StdDev: | 0.09 |
| Vs Estimate: | 3.517 km/s |
| Poisson's Ratio: | 0.29 |
| Peak Value: | 0.02 |
| Assumed Vp: | 6.428 km/s |
| Ps Weight: | 0.33333334 |
| PpPs Weight: | 0.33333334 |
| PsPs Weight: | 0.33333328 |
| Residual Complexity: | 0.644 |
| Nearby stations H: | +- |
| (2.0 deg) Vp/Vs: | +- |
12 with match > 90% ( 11.320755 %) and 25 with match > 80% ( 23.584906 %) out of 106.
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 | 1.83 | 6.428 km/s | 3.517 km/s | 0.29 | |
| Crust2.0 | 41 km | 1.78 | 6.428 km/s | 3.601 km/s | 0.27 | I3,late Proter., 3.5 km seds. |
| Global Maxima | 42 km | 1.83 | 6.428 km/s | 3.517 km/s | 0.29 | amp=0.018931327 |
| Local Maxima 1 | 31 km | 2.10 | 6.428 km/s | 3.065 km/s | 0.35 | amp=0.010229512 |
| Local Maxima 2 | 36 km | 2.10 | 6.428 km/s | 3.065 km/s | 0.35 | amp=0.010097192 |
| Local Maxima 3 | 42 km | 1.87 | 6.428 km/s | 3.442 km/s | 0.30 | amp=0.009533269 |
| Local Maxima 4 | 29 km | 1.77 | 6.428 km/s | 3.632 km/s | 0.27 | amp=0.0091808345 |
| Predicted Arrivals for vertical incidence (zero ray parameter) | |
| Ps | 5.37 SECOND |
| PpPs | 18.36 SECOND |
| PsPs/PpSs | 23.74 SECOND |
Events Processed for this Station
Download zip of receiver functions as SAC
Plot maxima for each earthquake.
Events Used in the Stack
(25 events)| Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude |
| 98.149445 | 81.1 deg | 239.758 deg | Near Coast Of Central Chile | 2015/09/16 22:54:31 GMT | (-31.6, -71.8) | 12 km | 8.3 MWW, 7.9 MI |
| 97.02987 | 98.1 deg | 267.79 deg | Near Coast Of Ecuador | 2016/04/16 23:58:37 GMT | (0.4, -79.9) | 19 km | 7.8 MWW, 7.4 MI |
| 96.81122 | 53.4 deg | 213.242 deg | South Georgia Island Region | 2016/08/19 07:32:22 GMT | (-55.3, -31.9) | 10 km | 7.4 MO |
| 96.53119 | 51.3 deg | 210.644 deg | South Sandwich Islands Region | 2016/05/28 09:46:59 GMT | (-56.2, -26.9) | 73 km | 7.2 MWW, 7.3 MI |
| 96.448524 | 75.0 deg | 90.395 deg | Southwest Of Sumatra, Indonesia | 2016/03/02 12:49:46 GMT | (-4.9, 94.2) | 10 km | 7.9 MWW |
| 95.285194 | 73.1 deg | 41.796 deg | Hindu Kush Region, Afghanistan | 2015/10/26 09:09:32 GMT | (36.4, 70.7) | 212 km | 7.5 MWW, 7.5 MWB |
| 94.27588 | 81.9 deg | 241.755 deg | Off Coast Of Central Chile | 2015/11/11 01:54:37 GMT | (-29.4, -72.1) | 10 km | 6.9 MWW, 6.6 MI |
| 93.27145 | 85.0 deg | 63.936 deg | Myanmar-India Border Region | 2016/04/13 13:55:17 GMT | (23.1, 94.9) | 135 km | 6.9 MWB |
| 93.19762 | 39.8 deg | 292.382 deg | North Of Ascension Island | 2016/08/29 04:29:57 GMT | (-0.0, -17.8) | 10 km | 7.1 MWW, 7.1 MWC, 7.4 MI |
| 93.068085 | 86.3 deg | 260.138 deg | Peru-Brazil Border Region | 2015/11/24 22:45:38 GMT | (-10.6, -71.0) | 602 km | 7.5 MWW, 6.9 MI |
| 91.575584 | 73.4 deg | 41.981 deg | Afghanistan-Tajikistan Bord Reg. | 2016/04/10 10:28:58 GMT | (36.5, 71.2) | 210 km | 6.6 MWB |
| 90.143875 | 80.9 deg | 239.628 deg | Near Coast Of Central Chile | 2015/09/21 17:39:58 GMT | (-31.7, -71.6) | 25 km | 6.5 MB, 6.5 MI, 6.6 MWW |
| 88.90944 | 83.9 deg | 65.885 deg | Myanmar | 2016/08/24 10:34:55 GMT | (20.9, 94.6) | 84 km | 6.8 MO |
| 88.53571 | 53.3 deg | 213.259 deg | South Georgia Island Region | 2016/08/21 03:45:23 GMT | (-55.3, -31.8) | 10 km | 6.4 MWP |
| 88.46091 | 86.5 deg | 260.564 deg | Peru-Brazil Border Region | 2015/11/24 22:50:53 GMT | (-10.1, -71.1) | 595 km | 5.9 MB |
| 86.88972 | 81.2 deg | 240.71 deg | Near Coast Of Central Chile | 2016/02/10 00:33:05 GMT | (-30.6, -71.6) | 32 km | 6.3 MWB |
| 85.42024 | 81.5 deg | 234.678 deg | Near Coast Of Central Chile | 2015/06/20 02:10:06 GMT | (-36.3, -73.8) | 10 km | 6.4 MO |
| 84.03179 | 81.1 deg | 240.463 deg | Near Coast Of Central Chile | 2015/11/07 07:31:42 GMT | (-30.9, -71.5) | 36 km | 6.8 MWP, 6.8 MI |
| 83.45673 | 75.5 deg | 41.306 deg | Tajikistan | 2015/12/07 07:50:07 GMT | (38.3, 72.7) | 29 km | 7.2 MWB |
| 83.09212 | 81.0 deg | 240.583 deg | Near Coast Of Central Chile | 2015/09/26 02:51:18 GMT | (-30.8, -71.4) | 38 km | 6.2 MO |
| 82.93904 | 84.6 deg | 61.932 deg | Myanmar-India Border Region | 2016/01/03 23:05:22 GMT | (24.8, 93.7) | 55 km | 6.7 MWW, 6.6 MWB |
| 82.29366 | 81.9 deg | 89.619 deg | Southern Sumatra, Indonesia | 2016/06/01 22:56:00 GMT | (-2.1, 100.7) | 50 km | 6.6 MWW, 6.4 MWB, 6.6 MWC, 6.7 MWC |
| 82.03174 | 32.0 deg | 154.967 deg | Prince Edward Islands Region | 2015/10/23 04:04:17 GMT | (-45.8, 37.1) | 10 km | 5.7 MB |
| 81.51359 | 60.4 deg | 355.519 deg | Central Italy | 2016/08/24 01:36:33 GMT | (42.7, 13.2) | 10 km | 6.2 MWP |
| 80.140564 | 73.4 deg | 41.952 deg | Afghanistan-Tajikistan Bord Reg. | 2015/12/25 19:14:48 GMT | (36.5, 71.1) | 204 km | 6.2 MO |
Losers
(81 events)| Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude | Reason |
| 95.8512 | 36.3 deg | 125.002 deg | Southwest Indian Ridge | 2015/07/21 07:14:47 GMT | (-34.8, 54.6) | 4.0 km | 5.3 MW | |
| 94.38128 | 78.4 deg | 44.539 deg | Southern Xinjiang, China | 2015/07/03 01:44:46 GMT | (37.4, 78.0) | 28 km | 4.7 mb | |
| 92.56281 | 61.4 deg | 135.099 deg | Southeast Indian Ridge | 2015/12/04 22:24:54 GMT | (-47.7, 85.2) | 10 km | 7.1 MWP | |
| 79.64422 | 39.5 deg | 198.36 deg | Bouvet Island Region | 2015/12/23 16:55:10 GMT | (-54.2, -1.5) | 15 km | 5.5 MB | |
| 79.411156 | 76.9 deg | 249.268 deg | Jujuy Province, Argentina | 2015/11/29 18:52:49 GMT | (-23.5, -64.6) | 9.6 km | 5.9 MWP | |
| 77.72172 | 81.6 deg | 245.339 deg | Near Coast Of Northern Chile | 2016/07/25 17:26:49 GMT | (-26.1, -70.6) | 68 km | 6.2 MB | |
| 76.589645 | 87.0 deg | 261.337 deg | Peru-Brazil Border Region | 2015/11/26 05:45:18 GMT | (-9.2, -71.3) | 604 km | 6.4 MWP | |
| 74.33221 | 97.9 deg | 267.972 deg | Near Coast Of Ecuador | 2016/05/18 16:46:44 GMT | (0.5, -79.6) | 31 km | 6.8 MO | |
| 74.31764 | 78.5 deg | 44.491 deg | Southern Xinjiang, China | 2015/07/03 01:07:45 GMT | (37.5, 78.1) | 10 km | 6.1 MB | |
| 74.26455 | 81.6 deg | 94.535 deg | Southwest Of Sumatra, Indonesia | 2016/05/14 20:52:11 GMT | (-6.9, 101.8) | 10 km | 5.6 MB, 5.3 MWW | |
| 73.970604 | 81.9 deg | 246.59 deg | Near Coast Of Northern Chile | 2015/11/27 21:00:22 GMT | (-24.8, -70.6) | 35 km | 6.2 MWW, 6.2 MWB | |
| 72.71146 | 81.1 deg | 239.804 deg | Near Coast Of Central Chile | 2015/09/17 04:10:31 GMT | (-31.5, -71.8) | 40 km | 6.3 MB | |
| 71.90106 | 54.6 deg | 9.066 deg | Dodecanese Islands, Greece | 2016/09/27 20:57:08 GMT | (36.4, 27.6) | 85 km | 5.1 Mww | |
| 71.32414 | 81.2 deg | 238.948 deg | Off Coast Of Central Chile | 2015/09/19 12:52:19 GMT | (-32.3, -72.1) | 11 km | 6.2 MWB | |
| 71.005516 | 51.1 deg | 211.412 deg | South Sandwich Islands Region | 2016/04/19 05:25:39 GMT | (-55.6, -27.2) | 11 km | 5.9 MB | |
| 70.61984 | 59.7 deg | 107.751 deg | South Indian Ocean | 2016/08/01 07:42:51 GMT | (-24.0, 82.5) | 10 km | 6.1 MB | |
| 69.33782 | 53.4 deg | 213.43 deg | South Georgia Island Region | 2016/08/19 17:33:40 GMT | (-55.2, -32.1) | 4.3 km | 5.8 MWW, 5.7 MWB, 5.8 MWC | |
| 67.87501 | 34.8 deg | 179.576 deg | Southwest Of Africa | 2016/03/14 23:25:40 GMT | (-52.6, 18.9) | 10 km | 5.8 MWP | |
| 65.372856 | 80.9 deg | 240.441 deg | Near Coast Of Central Chile | 2015/09/17 03:55:07 GMT | (-31.0, -71.4) | 35 km | 6.2 MO | |
| 64.64299 | 73.3 deg | 41.813 deg | Hindu Kush Region, Afghanistan | 2016/01/12 20:04:59 GMT | (36.6, 71.0) | 239 km | 5.7 MWW, 5.7 MWB, 5.7 MWC | |
| 64.55795 | 96.3 deg | 100.676 deg | Sumbawa Region, Indonesia | 2016/07/31 23:40:00 GMT | (-8.2, 117.8) | 10 km | 5.8 MB | |
| 63.82386 | 79.4 deg | 237.825 deg | Chile-Argentina Border Region | 2016/04/14 09:38:44 GMT | (-33.9, -70.4) | 112 km | 5.5 MB | |
| 63.504906 | 75.4 deg | 242.97 deg | Santiago Del Estero Prov., Arg. | 2015/11/13 06:04:15 GMT | (-29.9, -64.5) | 11 km | 5.8 MWP | |
| 63.306423 | 81.9 deg | 241.541 deg | Off Coast Of Central Chile | 2015/09/19 05:06:47 GMT | (-29.7, -72.1) | 10 km | 5.8 MWR | |
| 62.91916 | 81.4 deg | 241.027 deg | Near Coast Of Central Chile | 2015/10/05 16:33:26 GMT | (-30.3, -71.7) | 35 km | 6.0 MB | |
| 62.679695 | 57.1 deg | 208.432 deg | Scotia Sea | 2015/07/01 18:24:41 GMT | (-60.4, -35.3) | 10 km | 5.5 MW | |
| 62.36644 | 51.3 deg | 206.579 deg | South Sandwich Islands Region | 2015/12/10 12:05:15 GMT | (-58.9, -23.9) | 10 km | 5.7 MWP | |
| 62.352787 | 50.8 deg | 78.648 deg | Carlsberg Ridge | 2016/03/26 03:24:24 GMT | (-2.7, 68.0) | 10 km | 5.6 MB | |
| 62.090122 | 52.6 deg | 212.821 deg | South Sandwich Islands Region | 2016/08/30 15:46:02 GMT | (-55.3, -30.4) | 10 km | 5.6 MB | |
| 62.012554 | 81.3 deg | 241.692 deg | Near Coast Of Central Chile | 2015/08/23 23:10:03 GMT | (-29.7, -71.4) | 34 km | 5.5 MB, 5.5 MB | |
| 61.805264 | 95.4 deg | 52.263 deg | Qinghai, China | 2016/01/20 17:13:14 GMT | (37.7, 101.6) | 10 km | 5.9 MWB | |
| 61.65679 | 81.7 deg | 240.646 deg | Off Coast Of Central Chile | 2015/09/19 13:08:57 GMT | (-30.6, -72.2) | 14 km | 5.6 MB | |
| 61.426033 | 52.9 deg | 212.973 deg | South Sandwich Islands Region | 2016/09/02 01:57:53 GMT | (-55.3, -31.0) | 31 km | 5.6 MB | |
| 61.277763 | 80.2 deg | 248.757 deg | Northern Chile | 2015/11/01 15:16:14 GMT | (-23.2, -68.2) | 80 km | 5.8 MB | |
| 61.18734 | 98.0 deg | 267.898 deg | Near Coast Of Ecuador | 2016/05/18 07:57:05 GMT | (0.4, -79.8) | 32 km | 6.7 MWP, 6.7 MWW, 6.7 MI | |
| 60.856018 | 81.3 deg | 241.035 deg | Near Coast Of Central Chile | 2015/10/03 06:26:55 GMT | (-30.3, -71.6) | 40 km | 5.8 MWR | |
| 60.177345 | 37.4 deg | 292.055 deg | North Of Ascension Island | 2015/12/18 11:46:48 GMT | (-1.4, -15.8) | 10 km | 5.6 MB | |
| 59.988823 | 76.6 deg | 253.258 deg | Southern Bolivia | 2016/01/14 03:25:28 GMT | (-19.8, -63.3) | 582 km | 6.1 MWW, 6.1 MWB | |
| 59.63442 | 81.0 deg | 240.677 deg | Near Coast Of Central Chile | 2015/11/07 10:53:38 GMT | (-30.7, -71.3) | 3.8 km | 5.9 MB | |
| 59.580242 | 38.3 deg | 118.133 deg | Southwest Indian Ridge | 2016/01/12 09:45:11 GMT | (-31.3, 58.1) | 10 km | 5.9 MB | |
| 59.51175 | 64.3 deg | 46.707 deg | Pakistan | 2015/08/03 13:16:03 GMT | (27.3, 66.0) | 25 km | 5.4 MW | |
| 58.95109 | 53.1 deg | 207.259 deg | South Sandwich Islands Region | 2016/09/22 16:07:27 GMT | (-59.5, -27.4) | 10 km | 5.6 MB | |
| 58.611675 | 93.5 deg | 263.059 deg | Northern Peru | 2016/09/10 10:08:20 GMT | (-5.6, -77.0) | 114 km | 6.0 MB | |
| 56.826145 | 51.5 deg | 210.452 deg | South Sandwich Islands Region | 2016/03/14 07:26:43 GMT | (-56.4, -27.1) | 104 km | 5.7 MB | |
| 56.345356 | 81.0 deg | 240.757 deg | Near Coast Of Central Chile | 2015/12/19 19:25:04 GMT | (-30.6, -71.4) | 46 km | 5.8 MWR | |
| 56.21552 | 80.6 deg | 239.758 deg | Near Coast Of Central Chile | 2016/04/18 11:38:38 GMT | (-31.7, -71.2) | 39 km | 5.6 MB | |
| 56.202694 | 51.6 deg | 210.816 deg | South Sandwich Islands Region | 2016/07/31 11:33:20 GMT | (-56.3, -27.5) | 98 km | 5.9 MWW, 5.9 MWC, 5.9 MWB | |
| 55.96445 | 73.2 deg | 41.842 deg | Hindu Kush Region, Afghanistan | 2016/02/21 09:12:08 GMT | (36.5, 70.9) | 177 km | 5.5 MB | |
| 55.883896 | 64.3 deg | 46.716 deg | Pakistan | 2015/07/15 11:25:59 GMT | (27.4, 66.0) | 10 km | 5.5 MB, 5.1 MWB, 5.3 MWC, 5.3 MWW | |
| 55.67253 | 38.2 deg | 210.883 deg | Southern Mid-Atlantic Ridge | 2015/08/02 05:29:33 GMT | (-48.3, -9.9) | 10 km | 5.1 MW | |
| 55.650528 | 81.8 deg | 241.886 deg | Near Coast Of Central Chile | 2016/06/05 05:51:09 GMT | (-29.4, -71.9) | 15 km | 5.7 MWP | |
| 54.771202 | 51.7 deg | 210.856 deg | South Sandwich Islands Region | 2016/03/28 19:07:09 GMT | (-56.3, -27.7) | 31 km | 5.5 MWC, 5.3 MB, 5.5 MWC | |
| 54.6489 | 81.4 deg | 240.724 deg | Near Coast Of Central Chile | 2015/11/21 23:05:29 GMT | (-30.6, -71.8) | 24 km | 5.5 MB | |
| 54.642517 | 84.8 deg | 93.611 deg | Southern Sumatra, Indonesia | 2016/05/02 04:21:24 GMT | (-5.0, 104.6) | 117 km | 5.7 MWW, 5.7 MWB, 5.7 MWC | |
| 54.611404 | 81.3 deg | 240.532 deg | Near Coast Of Central Chile | 2015/12/08 12:56:07 GMT | (-30.8, -71.7) | 30 km | 5.6 MB | |
| 54.593838 | 63.6 deg | 6.378 deg | Romania | 2016/09/23 23:11:20 GMT | (45.7, 26.6) | 88 km | 5.6 MO | |
| 53.771145 | 80.6 deg | 239.984 deg | Near Coast Of Central Chile | 2015/09/22 07:12:59 GMT | (-31.5, -71.2) | 54 km | 6.1 MWB | |
| 52.190487 | 81.3 deg | 240.671 deg | Near Coast Of Central Chile | 2016/01/08 01:12:00 GMT | (-30.7, -71.7) | 31 km | 5.6 MWR | |
| 51.666237 | 78.5 deg | 80.939 deg | Northern Sumatra, Indonesia | 2015/07/08 00:38:56 GMT | (5.0, 94.7) | 51 km | 5.0 MW | |
| 51.354576 | 81.1 deg | 240.249 deg | Near Coast Of Central Chile | 2015/09/19 09:07:08 GMT | (-31.1, -71.6) | 23 km | 6.1 MWP | |
| 51.237682 | 59.7 deg | 107.725 deg | South Indian Ocean | 2016/08/05 12:34:15 GMT | (-23.9, 82.4) | 10 km | 5.7 MB | |
| 51.013145 | 81.2 deg | 235.23 deg | Off Coast Of Central Chile | 2015/12/10 00:09:32 GMT | (-35.9, -73.3) | 10 km | 5.5 MWW, 5.4 MWB | |
| 50.79854 | 81.3 deg | 240.065 deg | Near Coast Of Central Chile | 2015/09/17 04:02:10 GMT | (-31.2, -71.9) | 16 km | 5.7 mwr | |
| 49.91014 | 81.0 deg | 239.763 deg | Near Coast Of Central Chile | 2015/09/21 05:39:33 GMT | (-31.6, -71.7) | 23 km | 6.3 MWP | |
| 49.666626 | 60.8 deg | 209.702 deg | Scotia Sea | 2016/06/23 03:05:39 GMT | (-60.7, -43.0) | 10 km | 5.5 MB | |
| 49.191605 | 80.8 deg | 236.353 deg | Near Coast Of Central Chile | 2016/08/30 08:09:10 GMT | (-34.9, -72.5) | 19 km | 5.5 MB, 5.5 MB | |
| 46.413513 | 81.1 deg | 86.357 deg | Northern Sumatra, Indonesia | 2015/11/08 09:34:57 GMT | (0.7, 98.9) | 75 km | 6.1 MB | |
| 46.248585 | 97.9 deg | 268.073 deg | Near Coast Of Ecuador | 2016/07/11 02:01:09 GMT | (0.6, -79.6) | 14 km | 5.8 MWW, 5.7 MWB, 5.9 MWC | |
| 45.01891 | 81.4 deg | 238.987 deg | Off Coast Of Central Chile | 2015/09/18 08:18:17 GMT | (-32.2, -72.4) | 6.0 km | 5.6 MWW, 5.5 MWC, 5.5 MWR, 5.5 MWB | |
| 44.611946 | 73.6 deg | 41.881 deg | Afghanistan-Tajikistan Bord Reg. | 2015/06/29 22:07:48 GMT | (36.7, 71.3) | 190 km | 5.5 MB | |
| 42.29906 | 89.0 deg | 98.961 deg | Java, Indonesia | 2015/11/11 11:45:25 GMT | (-8.9, 110.2) | 96 km | 5.9 MB | |
| 42.139706 | 73.4 deg | 41.981 deg | Afghanistan-Tajikistan Bord Reg. | 2015/08/10 10:05:25 GMT | (36.5, 71.2) | 223 km | 5.7 MB | |
| 41.855236 | 52.9 deg | 206.818 deg | South Sandwich Islands Region | 2015/06/20 05:32:16 GMT | (-59.6, -26.6) | 117 km | 5.6 MB | |
| 41.711685 | 35.1 deg | 234.488 deg | Southern Mid-Atlantic Ridge | 2015/07/02 07:26:49 GMT | (-34.7, -16.2) | 10 km | 5.7 MB | |
| 40.93812 | 51.6 deg | 210.889 deg | South Sandwich Islands Region | 2016/02/18 01:07:14 GMT | (-56.2, -27.6) | 119 km | 5.8 MB | |
| 40.699135 | 97.9 deg | 276.114 deg | Panama-Colombia Border Region | 2015/07/29 00:10:24 GMT | (8.2, -77.3) | 10 km | 5.9 MWP, 6.1 MI | |
| 40.426113 | 91.7 deg | 225.791 deg | Southeast Of Easter Island | 2015/12/12 23:32:54 GMT | (-41.1, -90.1) | 10 km | 5.5 mwb | |
| 39.174526 | 73.6 deg | 42.144 deg | Afghanistan-Tajikistan Bord Reg. | 2015/11/22 18:16:04 GMT | (36.5, 71.5) | 92 km | 5.9 MB | |
| 35.570568 | 75.2 deg | 90.373 deg | Southwest Of Sumatra, Indonesia | 2016/03/03 00:10:50 GMT | (-4.8, 94.4) | 10 km | 5.5 MB | |
| 31.470394 | 85.6 deg | 290.357 deg | Leeward Islands | 2016/03/19 11:26:34 GMT | (18.0, -60.7) | 32 km | 6.0 MWW, 5.9 MWB | |
| 28.024794 | 91.2 deg | 100.036 deg | South Of Java, Indonesia | 2015/07/26 07:05:08 GMT | (-9.2, 112.7) | 59 km | 6.0 MWP |
