Station TA M39A - Webster, IA, USA

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

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
M39A Webster, IA, USA (41.48, -92.17) 2011-06-16 / 2599-12-31 264 m
Crust2 Type:D9,Platform 1 km seds.
Thickness Estimate:43 km
Thickness StdDev:0.3 km
Vp/Vs Estimate:1.75
Vp/Vs StdDev:0.01
Vs Estimate:3.708 km/s
Poisson's Ratio:0.26
Peak Value:0.05
Assumed Vp:6.498 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.313
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

19 with match > 90% ( 18.811882 %) and 32 with match > 80% ( 31.683168 %) out of 101.

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 1.75 6.498 km/s 3.708 km/s 0.26
Crust2.0 41 km 1.77 6.498 km/s 3.666 km/s 0.27 D9,Platform 1 km seds.
Global Maxima 43 km 1.75 6.498 km/s 3.708 km/s 0.26 amp=0.045942433
Local Maxima 1 42 km 1.76 6.498 km/s 3.692 km/s 0.26 amp=0.014133174
Local Maxima 2 29 km 2.10 6.498 km/s 3.098 km/s 0.35 amp=0.010123206
Local Maxima 3 30 km 1.60 6.498 km/s 4.061 km/s 0.18 amp=0.0069277496
Local Maxima 4 43 km 1.80 6.498 km/s 3.62 km/s 0.27 amp=0.006193746
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps4.95 SECOND
PpPs18.11 SECOND
PsPs/PpSs23.06 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

(32 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
97.567215 41.9 deg 155.923 deg Colombia 2012/09/30 16:31:35 GMT (1.9, -76.4) 170 km 7.0 MB, 7.3 MW, 7.2 MW
97.48195 52.9 deg 310.55 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
97.24329 85.9 deg 318.809 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
96.56332 90.5 deg 33.127 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
96.43632 51.5 deg 157.417 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
95.10128 86.1 deg 319.323 deg Off East Coast Of Honshu, Japan 2011/07/10 00:57:10 GMT (38.0, 143.3) 23 km 6.6 MB, 7.0 MS, 7.0 MW, 7.0 MW
94.883415 46.1 deg 311.353 deg Alaska Peninsula 2011/07/16 19:59:12 GMT (54.8, -161.3) 36 km 6.3 MB, 5.9 MS, 6.2 MW, 6.1 MW
94.45391 88.1 deg 320.11 deg Near East Coast Of Honshu, Japan 2011/07/30 18:53:49 GMT (36.9, 141.0) 30 km 6.4 MB, 6.0 MS, 6.5 MW, 6.4 MW
93.80956 30.3 deg 167.676 deg Nicaragua 2011/11/07 22:35:25 GMT (11.6, -85.9) 177 km 6.0 MB, 6.0 MW, 6.1 MW
93.78439 56.8 deg 311.951 deg Andreanof Islands, Aleutian Is. 2012/09/26 23:39:55 GMT (51.6, -178.3) 16 km 6.3 MB, 6.5 MS, 6.4 MW, 6.4 MW
93.619736 78.5 deg 163.426 deg Near Coast Of Central Chile 2012/03/25 22:37:06 GMT (-35.2, -72.2) 41 km 6.5 MB, 7.0 MS, 7.1 MW, 7.1 MW
93.55422 63.0 deg 324.226 deg Near East Coast Of Kamchatka 2012/06/24 03:15:01 GMT (57.6, 163.2) 10 km 5.8 MB, 5.8 MS, 6.0 MW, 6.1 MW
92.89998 72.0 deg 160.081 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
92.4506 63.7 deg 339.609 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
92.323235 50.2 deg 309.928 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
91.87281 52.3 deg 157.382 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
91.09879 86.1 deg 320.754 deg Near East Coast Of Honshu, Japan 2011/07/23 04:34:24 GMT (38.9, 141.8) 41 km 5.9 MB, 5.9 MS, 6.4 MW, 6.3 MW
90.618546 31.9 deg 167.093 deg Costa Rica 2012/10/24 00:45:32 GMT (10.1, -85.3) 17 km 6.0 MB, 6.2 MS, 6.5 MW, 6.4 MW
90.5918 69.9 deg 320.888 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
89.36555 69.8 deg 320.835 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
88.77622 57.6 deg 161.326 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
88.54106 50.8 deg 70.889 deg Azores Islands Region 2013/04/30 06:25:23 GMT (37.6, -24.9) 10 km 5.8 MW, 5.9 MW, 5.9 MB
87.62385 36.8 deg 163.907 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
86.85647 60.8 deg 316.501 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
84.39058 81.9 deg 323.438 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
84.0041 87.2 deg 320.306 deg Near East Coast Of Honshu, Japan 2011/07/24 18:51:24 GMT (37.7, 141.4) 35 km 6.3 MB, 5.9 MS, 6.3 MW, 6.3 MW
83.693855 76.5 deg 319.683 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
82.69796 31.8 deg 167.141 deg Costa Rica 2012/09/08 20:29:31 GMT (10.1, -85.3) 35 km 5.7 MB, 5.1 MS, 5.7 MW, 5.7 MW
82.55558 74.6 deg 153.572 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
81.29101 52.9 deg 310.571 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
80.26581 86.1 deg 320.757 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
80.04919 72.5 deg 320.395 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

(69 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
88.56792 81.4 deg 43.727 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
78.10002 84.9 deg 320.274 deg Off East Coast Of Honshu, Japan 2012/05/20 07:19:54 GMT (39.5, 143.2) 11 km 5.6 MB
77.44969 61.9 deg 150.126 deg Central Bolivia 2011/11/22 18:48:16 GMT (-15.4, -65.1) 550 km 6.2 MB, 6.6 MW, 6.6 MW
75.860695 70.1 deg 47.338 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
75.83138 61.4 deg 317.226 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
75.719505 71.7 deg 320.248 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
75.70752 87.5 deg 320.104 deg Near East Coast Of Honshu, Japan 2011/11/23 19:24:31 GMT (37.4, 141.4) 34 km 5.7 MB, 5.8 MS, 6.1 MW, 6.1 MW
75.5295 52.5 deg 111.244 deg Northern Mid-Atlantic Ridge 2011/07/27 23:00:30 GMT (10.8, -43.4) 10 km 5.6 MB, 5.6 MS, 6.0 MW, 5.9 MW
75.48854 84.9 deg 320.386 deg Off East Coast Of Honshu, Japan 2012/05/20 07:20:36 GMT (39.6, 143.2) 11 km 5.9 MB, 6.2 MS, 6.3 MW, 6.3 MW
72.45684 74.2 deg 153.487 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
71.7119 46.1 deg 311.466 deg Alaska Peninsula 2012/08/08 14:05:17 GMT (54.9, -161.2) 43 km 5.6 MB, 5.2 MW, 5.1 MW
71.050156 62.2 deg 319.172 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
71.00081 91.1 deg 320.403 deg Near S. Coast Of Honshu, Japan 2011/08/01 14:58:09 GMT (34.6, 138.4) 13 km 6.0 MB, 5.6 MS, 5.9 MW, 5.9 MW
69.10888 88.0 deg 320.207 deg Eastern Honshu, Japan 2011/08/11 18:22:04 GMT (37.0, 140.9) 44 km 6.0 MB, 5.3 MS, 5.9 MW, 5.9 MW
68.783035 42.3 deg 157.74 deg Colombia 2013/02/09 14:16:07 GMT (1.1, -77.4) 145 km 6.7 MB, 6.9 MW, 6.9 MW
67.91592 39.9 deg 319.965 deg Southern Alaska 2012/12/04 01:42:48 GMT (61.2, -150.8) 62 km 5.6 MB, 5.8 MW, 5.7 MW
67.67694 87.2 deg 320.109 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
67.333725 87.9 deg 320.014 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
67.017525 67.4 deg 321.476 deg Off East Coast Of Kamchatka 2011/07/26 06:17:37 GMT (53.0, 159.8) 33 km 5.6 MW, 5.1 MS, 5.4 MB, 5.4 MW
66.641815 68.6 deg 319.438 deg East Of Kuril Islands 2013/03/24 04:18:33 GMT (50.7, 160.2) 8.0 km 6.1 MB, 5.5 MS, 5.9 MW, 6.1 MW
66.27076 64.5 deg 155.827 deg Northern Chile 2012/04/03 07:25:08 GMT (-19.6, -69.1) 117 km 5.5 ML, 5.2 MB
66.05488 71.5 deg 320.152 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
64.8386 86.9 deg 354.924 deg Southwestern Siberia, Russia 2012/02/26 06:17:19 GMT (51.7, 96.0) 12 km 6.4 MB, 6.6 MS, 6.7 MW, 6.5 MW
64.798325 87.6 deg 329.697 deg E. Russia-N.E. China Border Reg. 2013/04/05 13:00:02 GMT (42.7, 131.0) 563 km 6.3 MW, 6.2 MB, 6.4 MW
64.59525 94.5 deg 252.49 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
64.07752 44.1 deg 164.627 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
63.29987 70.3 deg 152.949 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
63.203888 71.6 deg 320.298 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
63.039013 58.5 deg 312.561 deg Rat Islands, Aleutian Islands 2011/07/18 22:38:38 GMT (51.3, 178.9) 19 km 5.8 MW, 5.3 MS, 5.4 MB, 5.8 MW
62.43331 70.0 deg 47.445 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
62.4217 89.0 deg 321.157 deg Eastern Honshu, Japan 2013/02/25 07:23:55 GMT (36.8, 139.2) 10 km 5.9 MB, 5.6 MS, 5.8 MW, 5.7 MW
61.444023 41.8 deg 313.46 deg Kodiak Island Region, Alaska 2012/09/18 01:44:50 GMT (56.9, -154.1) 39 km 5.5 MB, 4.7 MS, 5.2 MW, 5.1 MW
60.653736 86.1 deg 318.83 deg Off East Coast Of Honshu, Japan 2012/12/07 23:00:00 GMT (37.7, 143.8) 24 km 5.5 MB, 5.2 MW
60.340977 48.9 deg 165.294 deg Near Coast Of Northern Peru 2012/11/29 07:09:12 GMT (-6.6, -81.1) 10 km 5.5 MB, 4.9 MS, 5.5 MW, 5.4 MW
59.869728 69.8 deg 320.765 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
59.12768 77.3 deg 162.802 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
58.818012 96.7 deg 256.042 deg Fiji Islands Region 2011/09/15 11:59:52 GMT (-15.0, -178.0) 378 km 5.6 MB, 5.6 MW, 5.5 MW
58.147533 86.6 deg 171.464 deg Off Coast Of Southern Chile 2012/05/18 02:00:39 GMT (-44.8, -80.2) 10 km 5.5 MB, 5.7 MS, 6.3 MW, 6.3 MW
57.77777 74.1 deg 153.446 deg Santiago Del Estero Prov., Arg. 2013/02/22 12:01:58 GMT (-27.9, -63.1) 575 km 5.8 MB, 6.1 MW, 6.2 MW
57.69069 89.2 deg 319.528 deg Near East Coast Of Honshu, Japan 2012/03/14 12:05:04 GMT (35.7, 140.7) 10 km 5.7 MB, 5.6 MS, 6.0 MW
56.598232 86.5 deg 320.612 deg Near East Coast Of Honshu, Japan 2013/04/17 12:03:31 GMT (38.5, 141.6) 50 km 5.9 MW, 5.7 MB, 6.0 MW
56.196243 80.5 deg 327.501 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
52.941704 78.5 deg 321.459 deg Kuril Islands 2012/03/12 12:32:46 GMT (45.2, 147.6) 110 km 5.7 MB, 5.5 MW, 5.6 MW
52.495823 69.8 deg 159.27 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
51.532818 89.4 deg 29.571 deg Eastern Caucasus 2012/05/07 14:15:14 GMT (41.6, 46.7) 12 km 5.6 MB, 5.0 MS, 5.3 MW, 5.4 MW
50.696434 84.8 deg 320.309 deg Off East Coast Of Honshu, Japan 2012/05/19 19:05:18 GMT (39.7, 143.3) 10 km 5.6 MB, 5.5 MS, 5.9 MW, 5.8 MW
50.537025 45.3 deg 158.259 deg Ecuador 2011/08/15 02:53:18 GMT (-1.8, -76.9) 177 km 5.7 MB, 5.7 MW, 5.7 MW
50.438175 78.5 deg 324.282 deg Sea Of Okhotsk 2011/12/09 19:42:57 GMT (47.0, 144.6) 392 km 5.7 MB, 5.7 MW, 5.8 MW
50.347736 48.1 deg 158.227 deg Northern Peru 2012/11/28 03:09:48 GMT (-4.5, -76.1) 118 km 5.9 MB, 5.6 MW, 5.7 MW
49.95466 84.1 deg 322.084 deg Hokkaido, Japan Region 2012/05/23 15:02:25 GMT (41.3, 142.1) 46 km 6.2 MB, 5.5 MS, 5.9 MW, 6.0 MW
49.876957 77.9 deg 43.09 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
47.65658 80.0 deg 339.461 deg Southeastern Siberia, Russia 2011/10/14 06:10:14 GMT (54.1, 123.7) 12 km 5.7 MB, 5.9 MS, 6.1 MW, 6.0 MW
46.494717 89.4 deg 29.528 deg Eastern Caucasus 2012/05/07 04:40:27 GMT (41.5, 46.8) 11 km 5.7 MB, 5.7 MS, 5.6 MW, 5.6 MW
46.212048 76.2 deg 162.401 deg Near Coast Of Central Chile 2011/09/14 07:03:51 GMT (-32.7, -71.8) 37 km 5.5 MS, 5.4 MB, 5.9 MW, 5.7 MW
44.49532 56.7 deg 312.009 deg Andreanof Islands, Aleutian Is. 2013/04/21 13:48:29 GMT (51.7, -178.2) 44 km 5.6 MW, 5.7 MW, 5.9 MB
42.976532 61.3 deg 317.197 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
41.480762 32.9 deg 165.268 deg Costa Rica 2012/02/13 10:55:09 GMT (9.2, -84.1) 16 km 5.6 MB, 5.5 MS, 5.9 MW, 5.7 MW
41.117664 69.2 deg 151.783 deg Salta Province, Argentina 2012/11/22 13:07:10 GMT (-22.7, -63.6) 517 km 5.6 MB, 5.9 MW, 6.0 MW
40.399242 30.9 deg 311.382 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
39.449776 86.5 deg 320.466 deg Near East Coast Of Honshu, Japan 2012/08/29 19:05:11 GMT (38.4, 141.8) 47 km 5.8 MB, 5.1 MS, 5.5 MW, 5.5 MW
37.666862 95.4 deg 2.288 deg Northern Xinjiang, China 2012/06/29 21:07:33 GMT (43.4, 84.7) 18 km 6.2 MB, 6.4 MS, 6.3 MW, 6.3 MW
37.430435 68.6 deg 151.488 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
31.373203 95.1 deg 6.635 deg Lake Issyk-Kul Region 2012/05/30 21:20:56 GMT (43.4, 78.7) 17 km 5.7 MB, 5.4 MW, 5.3 MW
30.651548 85.3 deg 321.217 deg Near East Coast Of Honshu, Japan 2012/03/27 11:00:44 GMT (39.9, 142.0) 15 km 6.0 MB, 5.7 MS, 6.1 MW, 5.9 MW
29.353298 76.4 deg 319.454 deg Kuril Islands 2012/07/12 12:51:58 GMT (45.5, 151.7) 12 km 5.5 MB, 5.6 MS, 5.8 MW, 5.7 MW
28.067022 91.2 deg 319.447 deg Near S. Coast Of Honshu, Japan 2013/04/17 08:57:19 GMT (34.1, 139.4) 11 km 5.8 MW
26.616282 53.1 deg 310.474 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
19.577625 70.3 deg 319.933 deg East Of Kuril Islands 2013/04/19 19:58:40 GMT (50.0, 157.7) 15 km 6.1 MW, 5.9 MB, 6.0 MW, 6.1 MS
18.576206 95.0 deg 251.287 deg Tonga Islands 2013/02/19 22:29:02 GMT (-17.5, -173.5) 47 km 5.7 MB, 5.3 MS, 5.7 MW, 5.8 MW