Station TA W42A - Bald Knob, AR, USA

Network: TA - USArray Transportable Network (new EarthScope stations)

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
W42A Bald Knob, AR, USA (35.27, -91.52) 2011-07-29 / 2599-12-31 71 m
Crust2 Type:DD,Platform 5.0 km seds.
Thickness Estimate:44 km
Thickness StdDev:2.9 km
Vp/Vs Estimate:1.72
Vp/Vs StdDev:0.03
Vs Estimate:3.653 km/s
Poisson's Ratio:0.24
Peak Value:0.02
Assumed Vp:6.273 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.688
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

6 with match > 90% ( 8.333333 %) and 18 with match > 80% ( 25.0 %) out of 72.

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 44 km 1.72 6.273 km/s 3.653 km/s 0.24
Crust2.0 41 km 1.78 6.273 km/s 3.524 km/s 0.27 DD,Platform 5.0 km seds.
Global Maxima 44 km 1.72 6.273 km/s 3.653 km/s 0.24 amp=0.019615296
Local Maxima 1 41 km 1.73 6.273 km/s 3.626 km/s 0.25 amp=0.015736993
Local Maxima 2 31 km 1.63 6.273 km/s 3.843 km/s 0.20 amp=0.008863917
Local Maxima 3 30 km 2.03 6.273 km/s 3.098 km/s 0.34 amp=0.007946798
Local Maxima 4 33 km 1.61 6.273 km/s 3.902 km/s 0.18 amp=0.005302769
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps5.03 SECOND
PpPs19.06 SECOND
PsPs/PpSs24.09 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

(18 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
94.31816 35.6 deg 317.963 deg Southeastern Alaska 2013/01/05 08:58:19 GMT (55.4, -134.7) 10 km 6.4 MB, 7.7 MS, 7.5 MW, 7.5 MW
93.68193 33.5 deg 314.249 deg Queen Charlotte Islands Region 2012/10/28 03:04:08 GMT (52.8, -132.1) 14 km 6.5 MB, 7.5 MS, 7.8 MW, 7.8 MW
92.94623 51.6 deg 160.636 deg Near Coast Of Peru 2011/10/28 18:54:34 GMT (-14.4, -76.0) 24 km 6.5 MB, 6.9 MS, 6.9 MW, 6.9 MW
92.31813 36.0 deg 153.629 deg Colombia 2012/09/30 16:31:35 GMT (1.9, -76.4) 170 km 7.0 MB, 7.3 MW, 7.2 MW
91.15305 90.9 deg 319.316 deg Off East Coast Of Honshu, Japan 2012/12/07 08:18:23 GMT (37.9, 143.9) 31 km 7.2 MB, 7.3 MS, 7.3 MW, 7.3 MW
90.04138 45.6 deg 156.072 deg Peru-Brazil Border Region 2011/08/24 17:46:11 GMT (-7.6, -74.5) 147 km 6.8 MB, 7.0 MW, 7.0 MW
88.72974 66.0 deg 159.854 deg Central Chile 2013/01/30 20:15:43 GMT (-28.1, -70.7) 45 km 6.5 MB, 6.5 MS, 6.8 MW, 6.8 MW
88.37394 75.0 deg 322.381 deg Kuril Islands 2013/02/28 14:05:50 GMT (51.0, 157.3) 41 km 6.4 MB, 6.7 MS, 6.9 MW, 6.8 MW
87.53491 69.7 deg 340.712 deg Eastern Siberia, Russia 2013/02/14 13:13:53 GMT (67.6, 142.5) 11 km 6.5 MB, 6.7 MS, 6.6 MW, 6.7 MW
86.66996 56.6 deg 154.761 deg Peru-Bolivia Border Region 2012/05/14 10:00:40 GMT (-17.7, -69.6) 106 km 6.4 MB, 6.2 MW, 6.2 MW
85.53486 30.8 deg 162.352 deg South Of Panama 2012/06/04 03:15:24 GMT (5.5, -82.6) 7.0 km 5.8 MB, 5.8 MS, 6.3 MW, 6.1 MW
85.1952 75.0 deg 322.334 deg Kuril Islands 2013/03/01 13:20:49 GMT (51.0, 157.4) 29 km 6.3 MB, 6.3 MS, 6.5 MW, 6.4 MW
84.91931 58.7 deg 20.013 deg Norwegian Sea 2012/05/24 22:47:46 GMT (73.0, 5.7) 10 km 5.7 MB, 6.1 MS, 6.1 MW, 6.2 MW
83.5271 57.4 deg 313.914 deg Fox Islands, Aleutian Islands 2011/09/02 10:55:53 GMT (52.2, -171.7) 32 km 6.5 MB, 6.9 MS, 6.8 MW, 6.8 MW
82.32266 65.7 deg 318.819 deg Near Islands, Aleutian Islands 2011/09/14 18:10:09 GMT (53.1, 173.0) 15 km 6.1 MB, 5.7 MS, 6.0 MW, 6.0 MW
81.97484 68.8 deg 153.206 deg Santiago Del Estero Prov., Arg. 2011/09/02 13:47:09 GMT (-28.4, -63.0) 579 km 6.4 MB, 6.7 MW, 6.7 MW
80.99282 46.4 deg 156.085 deg Peru-Brazil Border Region 2012/08/02 09:38:30 GMT (-8.4, -74.3) 145 km 5.9 MB, 6.1 MW, 6.1 MW
80.956406 77.6 deg 321.731 deg Kuril Islands 2011/08/04 13:51:34 GMT (48.8, 154.8) 36 km 6.0 MB, 5.8 MS, 6.1 MW, 6.0 MW

Losers

(54 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
91.02848 95.4 deg 33.73 deg Turkey 2011/10/23 10:41:22 GMT (38.7, 43.5) 16 km 6.9 MB, 7.3 MS, 7.3 MW, 7.1 MW
79.76917 87.7 deg 323.072 deg Hokkaido, Japan Region 2013/02/02 14:17:35 GMT (42.8, 143.1) 107 km 6.4 MB, 6.9 MW, 6.9 MW
78.44099 64.5 deg 152.355 deg Salta Province, Argentina 2011/10/06 11:12:30 GMT (-24.2, -64.2) 15 km 6.5 MB, 5.7 MS, 6.1 MW, 5.9 MW
76.81417 91.2 deg 321.242 deg Near East Coast Of Honshu, Japan 2012/06/17 20:32:20 GMT (38.9, 141.8) 36 km 6.0 MB, 5.9 MS, 6.3 MW, 6.4 MW
76.7207 63.8 deg 158.93 deg Near Coast Of Northern Chile 2012/05/19 08:35:10 GMT (-25.7, -70.6) 28 km 5.7 MB, 5.5 MS, 5.8 MW, 5.9 MW
76.519745 66.3 deg 319.466 deg Near Islands, Aleutian Islands 2012/06/19 15:56:32 GMT (53.4, 171.6) 14 km 6.2 MB, 5.7 MS, 6.0 MW, 6.1 MW
76.451294 87.2 deg 324.153 deg Hokkaido, Japan Region 2011/10/21 08:02:37 GMT (43.9, 142.5) 187 km 5.9 MB, 6.1 MW, 6.1 MW
75.70698 73.9 deg 46.255 deg Northern Italy 2012/05/29 07:00:03 GMT (44.9, 11.1) 10 km 5.9 MB, 5.8 MS, 5.8 MW, 5.8 MW
75.47969 68.5 deg 153.103 deg Santiago Del Estero Prov., Arg. 2012/05/28 05:07:23 GMT (-28.0, -63.1) 587 km 6.0 MB, 6.7 MW, 6.8 MW
75.25271 85.5 deg 43.596 deg Aegean Sea 2013/01/08 14:16:08 GMT (39.7, 25.5) 13 km 5.7 MB, 5.8 MS, 5.7 MW, 5.7 MW
75.07144 57.5 deg 313.926 deg Fox Islands, Aleutian Islands 2011/10/25 03:24:49 GMT (52.2, -171.8) 38 km 5.9 MB, 5.3 MS, 5.7 MW, 5.7 MW
75.05639 54.7 deg 313.62 deg Fox Islands, Aleutian Islands 2012/08/10 18:37:43 GMT (52.6, -167.4) 13 km 5.9 MB, 6.2 MS, 6.2 MW, 6.2 MW
73.96857 73.9 deg 46.256 deg Northern Italy 2012/05/29 10:55:57 GMT (44.9, 11.0) 6.8 km 5.6 MB, 5.3 MS, 5.5 MW, 5.4 MW
73.88274 88.2 deg 320.779 deg Off East Coast Of Honshu, Japan 2012/03/14 09:08:35 GMT (40.9, 144.9) 12 km 6.7 MB, 6.9 MS, 6.9 MW, 7.0 MW
73.3062 39.3 deg 156.563 deg Ecuador 2011/08/15 02:53:18 GMT (-1.8, -76.9) 177 km 5.7 MB, 5.7 MW, 5.7 MW
73.14754 75.0 deg 322.264 deg Kuril Islands 2013/03/01 12:53:51 GMT (50.9, 157.5) 33 km 5.7 MB, 5.8 MS, 6.4 MW, 6.4 MW
72.924675 92.3 deg 320.53 deg Near East Coast Of Honshu, Japan 2011/08/19 05:36:33 GMT (37.7, 141.7) 47 km 6.3 MB, 5.9 MS, 6.3 MW, 6.3 MW
72.493225 81.6 deg 320.775 deg Kuril Islands 2012/07/08 11:33:02 GMT (45.5, 151.3) 20 km 5.7 MB, 5.6 MS, 6.0 MW, 5.8 MW
72.434296 67.2 deg 321.264 deg Komandorskiye Ostrova Region 2012/05/29 02:40:53 GMT (54.4, 168.9) 10 km 5.5 MS, 5.4 MB, 5.6 MW, 5.6 MW
70.41988 73.4 deg 164.512 deg Near Coast Of Central Chile 2012/01/23 16:04:52 GMT (-36.4, -73.0) 20 km 5.8 MB, 6.0 MS, 6.1 MW, 6.2 MW
69.4228 76.9 deg 321.637 deg Kuril Islands 2012/09/09 05:39:37 GMT (49.2, 155.8) 31 km 5.5 MB, 5.5 MS, 5.9 MW, 6.0 MW
68.49245 66.3 deg 319.441 deg Near Islands, Aleutian Islands 2012/06/19 20:56:41 GMT (53.4, 171.7) 12 km 5.9 MB, 5.2 MS, 5.6 MW, 5.7 MW
68.22203 33.2 deg 313.562 deg Queen Charlotte Islands Region 2012/10/30 02:49:02 GMT (52.4, -131.9) 9.0 km 5.8 MB, 6.0 MS, 6.2 MW, 6.2 MW
67.94788 88.0 deg 47.95 deg Crete, Greece 2012/09/12 03:27:46 GMT (34.8, 24.1) 32 km 5.7 MB, 5.0 MS, 5.5 MW, 5.3 MW
67.86378 38.0 deg 163.645 deg Off Coast Of Ecuador 2011/11/17 01:57:05 GMT (-1.7, -81.5) 27 km 5.7 MB, 5.6 MS, 6.0 MW, 5.9 MW
66.80995 62.9 deg 150.741 deg Salta Province, Argentina 2012/06/02 07:52:53 GMT (-22.1, -63.6) 527 km 5.8 MB, 5.9 MW, 6.0 MW
65.34811 78.1 deg 321.469 deg Kuril Islands 2012/10/14 09:41:58 GMT (48.3, 154.4) 35 km 5.7 MB, 5.2 MS, 5.7 MW, 5.7 MW
64.47502 76.6 deg 321.56 deg Kuril Islands 2012/07/20 06:32:56 GMT (49.4, 156.1) 10 km 5.8 MB, 5.5 MS, 5.8 MW, 5.9 MW
64.09314 51.7 deg 160.194 deg Near Coast Of Peru 2012/07/02 23:31:37 GMT (-14.4, -75.6) 40 km 6.0 MB, 5.2 MS, 5.7 MW, 5.6 MW
63.399616 76.7 deg 321.698 deg Kuril Islands 2012/07/20 06:10:25 GMT (49.4, 155.9) 19 km 5.7 MB, 5.7 MS, 6.0 MW, 6.1 MW
63.333714 63.3 deg 316.658 deg Rat Islands, Aleutian Islands 2011/10/31 07:16:21 GMT (52.4, 177.9) 159 km 5.8 MB, 5.8 MW, 5.9 MW
62.827324 86.1 deg 328.24 deg Primor'ye, Russia 2012/07/29 09:20:54 GMT (47.4, 139.1) 502 km 5.6 MB, 5.6 MW, 5.7 MW
62.472733 57.6 deg 313.82 deg Fox Islands, Aleutian Islands 2011/09/19 08:14:14 GMT (52.0, -172.0) 31 km 5.5 MB, 5.1 MS, 5.7 MW, 5.6 MW
61.31381 92.4 deg 253.081 deg Tonga Islands 2011/09/05 09:52:01 GMT (-15.3, -173.6) 37 km 6.2 MB, 6.2 MS, 6.3 MW, 6.2 MW
61.23849 36.4 deg 155.73 deg Colombia 2013/02/09 14:16:07 GMT (1.1, -77.4) 145 km 6.7 MB, 6.9 MW, 6.9 MW
61.021812 74.0 deg 46.162 deg Northern Italy 2012/05/20 02:03:52 GMT (44.9, 11.2) 6.3 km 5.8 MB, 6.0 MS, 6.0 MW, 6.1 MW
59.839306 33.7 deg 313.908 deg Queen Charlotte Islands Region 2012/10/28 18:54:20 GMT (52.7, -132.6) 9.0 km 5.9 MB, 6.2 MS, 6.3 MW, 6.3 MW
58.02708 93.0 deg 320.386 deg Near East Coast Of Honshu, Japan 2012/04/13 10:10:01 GMT (37.0, 141.2) 11 km 5.6 MB, 5.4 MS, 5.7 MW, 5.7 MW
57.72538 95.2 deg 166.214 deg Drake Passage 2012/04/14 10:56:19 GMT (-57.7, -65.3) 15 km 6.1 MB, 6.1 MS, 6.2 MW, 6.2 MW
57.571896 63.7 deg 159.312 deg Near Coast Of Northern Chile 2011/10/30 18:53:43 GMT (-25.7, -71.0) 47 km 5.7 MB, 5.4 MS, 5.7 MW, 5.8 MW
56.526943 71.3 deg 162.827 deg Near Coast Of Central Chile 2012/11/21 21:36:22 GMT (-33.9, -71.9) 18 km 5.7 MB, 5.5 MS, 5.9 MW, 5.8 MW
55.913986 82.1 deg 42.681 deg Bulgaria 2012/05/22 00:00:32 GMT (42.6, 23.0) 10 km 5.7 MB, 5.3 MS, 5.6 MW, 5.5 MW
55.595654 35.8 deg 317.934 deg Off Coast Of Southeastern Alaska 2013/01/31 09:53:40 GMT (55.4, -135.0) 13 km 5.6 MB, 5.7 MS, 5.9 MW, 5.9 MW
54.769028 88.6 deg 322.742 deg Hokkaido, Japan Region 2011/11/24 10:25:34 GMT (41.9, 142.6) 38 km 5.9 MB, 5.8 MS, 6.2 MW, 6.2 MW
53.813866 68.7 deg 323.827 deg Komandorskiye Ostrova Region 2012/12/28 13:42:34 GMT (55.7, 164.7) 35 km 5.5 MB, 5.1 MW
53.41133 60.2 deg 314.032 deg Andreanof Islands, Aleutian Is. 2012/04/11 09:00:09 GMT (51.4, -176.1) 21 km 5.5 MB, 5.4 ML
51.068485 59.5 deg 103.915 deg Central Mid-Atlantic Ridge 2012/11/03 12:58:12 GMT (7.0, -34.1) 10 km 5.5 MB, 5.2 MS, 5.6 MW, 5.6 MW
50.398445 30.2 deg 305.952 deg Off Coast Of Washington 2012/08/19 08:07:35 GMT (47.8, -128.6) 10 km 5.6 MW, 5.3 MS, 5.2 MB, 5.5 MW
49.26629 95.5 deg 34.083 deg Turkey 2011/11/09 19:23:33 GMT (38.4, 43.2) 5.0 km 5.6 MB, 5.6 MS, 5.6 MW, 5.6 MW
47.91708 93.1 deg 252.487 deg Tonga Islands 2011/12/26 04:48:08 GMT (-16.2, -173.9) 90 km 5.8 MB, 6.0 MW, 6.0 MW
45.08498 68.6 deg 153.366 deg Santiago Del Estero Prov., Arg. 2012/03/05 07:46:10 GMT (-28.2, -63.3) 554 km 6.0 MB, 6.1 MW, 6.1 MW
34.64935 96.4 deg 248.649 deg Tonga Islands 2012/09/24 10:31:23 GMT (-21.2, -174.3) 10 km 5.7 MB, 5.4 MS, 5.5 MW, 5.5 MW
29.498026 74.1 deg 164.944 deg Near Coast Of Central Chile 2012/12/26 13:17:57 GMT (-37.3, -73.3) 29 km 5.5 MB, 5.2 MS, 5.2 MW, 5.4 MW
27.42351 95.4 deg 33.608 deg Turkey 2011/10/25 14:55:08 GMT (38.8, 43.6) 14 km 5.7 MB, 5.2 MS, 5.6 MW, 5.3 MW