Station BX QNGWA - Qangwa

Network: BX - Botswana Seismological Network

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
QNGWA Qangwa (-19.53, 21.17) 2018-02-17 / 2599-12-31 1094 m
Crust2 Type:H3,early/mid Proter. shield, Finland, 0.5 km seds.
Thickness Estimate:38 km
Thickness StdDev:0.3 km
Vp/Vs Estimate:1.74
Vp/Vs StdDev:0.01
Vs Estimate:3.78 km/s
Poisson's Ratio:0.25
Peak Value:0.04
Assumed Vp:6.577 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.318
Nearby stations H:38 km +- 0.0 km
(2.0 deg) Vp/Vs:1.73 +- 0.04

6 with match > 90% ( 14.634147 %) and 12 with match > 80% ( 29.268293 %) out of 41.

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 1.74 6.577 km/s 3.78 km/s 0.25
Crust2.0 46 km 1.78 6.577 km/s 3.701 km/s 0.27 H3,early/mid Proter. shield, Finland, 0.5 km seds.
Global Maxima 38 km 1.74 6.577 km/s 3.78 km/s 0.25 amp=0.04190037
Local Maxima 1 37 km 1.73 6.577 km/s 3.796 km/s 0.25 amp=0.010606303
Local Maxima 2 40 km 1.71 6.577 km/s 3.846 km/s 0.24 amp=0.00790276
Local Maxima 3 65 km 1.82 6.577 km/s 3.609 km/s 0.28 amp=0.0075673936
Local Maxima 4 29 km 1.99 6.577 km/s 3.309 km/s 0.33 amp=0.0071786186
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps4.25 SECOND
PpPs15.73 SECOND
PsPs/PpSs19.97 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

(12 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
98.6623 52.0 deg 209.411 deg South Sandwich Islands Region 2018/12/11 02:26:32 UTC (-58.6, -26.5) 165 km 7.1 mww
97.67752 94.1 deg 262.303 deg Northern Peru 2019/05/26 07:41:13 UTC (-5.9, -75.3) 105 km 7.5 Mi
96.90857 83.1 deg 242.058 deg Near Coast Of Central Chile 2023/10/31 12:33:44 UTC (-28.7, -71.6) 41 km 6.7 mww
95.988846 51.4 deg 209.04 deg South Sandwich Islands Region 2019/04/09 17:53:59 UTC (-58.6, -25.3) 46 km 6.5 Mww
90.8098 46.6 deg 52.693 deg Carlsberg Ridge 2019/04/29 14:19:52 UTC (10.9, 57.2) 10 km 6.3 Mww
90.56953 66.4 deg 36.085 deg Northwestern Afghanistan 2023/10/15 03:36:00 UTC (34.6, 62.1) 8.2 km 6.3 Mww
86.2582 82.6 deg 240.832 deg Near Coast Of Central Chile 2019/01/20 01:32:51 UTC (-30.1, -71.4) 53 km 6.7 mww
85.781456 66.0 deg 85.646 deg South Indian Ocean 2023/11/14 07:00:56 UTC (-4.0, 87.1) 10 km 6.1 mww
84.46486 97.8 deg 101.097 deg Flores Sea 2021/12/14 03:20:24 UTC (-7.8, 122.3) 76 km 7.6 Mi
82.43489 51.5 deg 212.888 deg South Sandwich Islands Region 2019/04/05 16:14:16 UTC (-55.9, -27.8) 58 km 6.5 mww
81.392914 44.8 deg 84.066 deg Mid-Indian Ridge 2019/03/30 06:27:23 UTC (-9.7, 66.5) 10 km 5.9 Mww
80.171265 66.3 deg 35.995 deg Northwestern Afghanistan 2023/10/07 06:41:02 UTC (34.6, 61.9) 10 km 6.2 mww

Losers

(29 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
93.13658 66.3 deg 36.023 deg Northwestern Afghanistan 2023/10/07 07:12:50 UTC (34.5, 61.9) 11 km 6.2 mww
73.67909 90.1 deg 253.499 deg Near Coast Of Peru 2021/04/25 23:50:30 UTC (-15.6, -74.6) 13 km 5.5 mww
72.61578 89.9 deg 261.461 deg Western Brazil 2019/01/05 19:25:38 UTC (-8.1, -71.6) 575 km 6.8 Mww
72.268486 83.2 deg 240.661 deg Off Coast Of Central Chile 2019/06/14 00:19:10 UTC (-30.0, -72.2) 10 km 6.5 Mww
72.137535 64.4 deg 211.023 deg Scotia Sea 2019/11/28 00:26:29 UTC (-60.9, -50.9) 10 km 5.6 Mww
69.86411 82.0 deg 239.176 deg Near Coast Of Central Chile 2019/11/04 21:53:24 UTC (-31.8, -71.4) 49 km 6.0 Mww
67.69774 76.2 deg 244.72 deg Santiago Del Estero Prov., Arg. 2023/08/05 07:20:07 UTC (-28.2, -63.2) 598 km 6.2 Mww
66.98081 57.8 deg 28.566 deg Western Iran 2019/07/08 07:00:31 UTC (31.8, 49.5) 10 km 5.7 mb
66.88205 83.6 deg 112.377 deg Western Australia 2018/12/16 14:26:19 UTC (-23.3, 112.5) 10 km 5.8 Mww
65.68641 51.4 deg 212.351 deg South Sandwich Islands Region 2019/04/22 14:49:06 UTC (-56.3, -27.4) 94 km 6.0 Mww
64.03899 82.4 deg 243.711 deg Near Coast Of Northern Chile 2019/06/05 16:19:42 UTC (-27.4, -70.2) 75 km 5.3 Mww
63.659874 45.9 deg 204.35 deg East Of South Sandwich Islands 2023/07/04 12:01:02 UTC (-58.2, -12.8) 10 km 5.9 mww
62.506886 87.6 deg 68.527 deg Laos 2019/11/20 23:50:44 UTC (19.5, 101.3) 10 km 6.1 Mww
61.322098 39.0 deg 28.922 deg Ethiopia 2023/08/01 17:15:25 UTC (15.2, 39.5) 10 km 5.6 mww
60.624527 51.2 deg 209.754 deg South Sandwich Islands Region 2019/06/24 19:21:37 UTC (-58.0, -25.4) 35 km 5.5 Mww
60.493786 44.2 deg 290.71 deg Central Mid-Atlantic Ridge 2023/08/17 16:41:02 UTC (-0.3, -19.6) 10 km 6.0 Mww
60.048035 83.2 deg 246.469 deg Near Coast Of Northern Chile 2019/03/28 15:05:32 UTC (-24.5, -70.1) 59 km 5.4 Mww
53.896614 42.3 deg 293.225 deg North Of Ascension Island 2020/01/06 01:29:20 UTC (0.2, -17.0) 10 km 5.6 Mww
53.88659 56.9 deg 36.286 deg Southern Iran 2019/10/21 10:58:52 UTC (27.2, 55.0) 10 km 5.4 Mww
52.98653 68.1 deg 134.848 deg Southeast Indian Ridge 2019/06/25 06:01:49 UTC (-48.0, 99.6) 10 km 5.8 Mww
48.353016 68.8 deg 82.326 deg South Indian Ocean 2023/07/01 07:29:40 UTC (-0.1, 88.7) 10 km 5.8 mww
48.12109 91.0 deg 146.86 deg Western Indian-Antarctic Ridge 2023/10/13 03:44:32 UTC (-51.8, 139.5) 4.9 km 6.0 mww
47.21989 86.1 deg 52.944 deg Qinghai, China 2022/08/14 08:20:01 UTC (33.2, 92.8) 10 km 5.5 mww
45.63283 78.5 deg 88.504 deg Southern Sumatra, Indonesia 2019/10/22 22:11:06 UTC (-2.4, 99.8) 12 km 5.1 Mww
45.43589 36.5 deg 115.018 deg Southwest Indian Ridge 2023/07/28 07:03:06 UTC (-30.5, 59.8) 10 km 5.6 Mww
45.08439 78.2 deg 85.087 deg Northern Sumatra, Indonesia 2019/06/02 03:03:07 UTC (0.7, 98.5) 26 km 5.3 Mww
43.077446 51.6 deg 212.401 deg South Sandwich Islands Region 2019/05/27 23:29:31 UTC (-56.3, -27.8) 111 km 5.7 Mww
42.77296 77.3 deg 73.915 deg Andaman Islands, India Region 2023/07/28 19:23:48 UTC (10.5, 93.5) 102 km 5.9 mww
39.306526 89.6 deg 291.285 deg North Atlantic Ocean 2023/07/10 20:28:25 UTC (20.0, -61.1) 10 km 6.6 mww