Station TA T28A - Walsh, CO, USA

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

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
T28A Walsh, CO, USA (37.12, -102.11) 2008-12-16 / 2599-12-31 1148 m
Crust2 Type:P4,orogen/50km, Urals, Tethian Orogen, Rockies 1 km seds.
Thickness Estimate:45 km
Thickness StdDev:0.5 km
Vp/Vs Estimate:1.76
Vp/Vs StdDev:0.01
Vs Estimate:3.573 km/s
Poisson's Ratio:0.26
Peak Value:0.02
Assumed Vp:6.306 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.532
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

21 with match > 90% ( 23.333334 %) and 33 with match > 80% ( 36.666668 %) out of 90.

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 45 km 1.76 6.306 km/s 3.573 km/s 0.26
Crust2.0 50 km 1.76 6.306 km/s 3.584 km/s 0.26 P4,orogen/50km, Urals, Tethian Orogen, Rockies 1 km seds.
Global Maxima 45 km 1.76 6.306 km/s 3.573 km/s 0.26 amp=0.022147726
Local Maxima 1 44 km 1.76 6.306 km/s 3.573 km/s 0.26 amp=0.013385324
Local Maxima 2 34 km 2.02 6.306 km/s 3.126 km/s 0.34 amp=0.007639191
Local Maxima 3 48 km 1.67 6.306 km/s 3.77 km/s 0.22 amp=0.005041312
Local Maxima 4 31 km 2.03 6.306 km/s 3.103 km/s 0.34 amp=0.00426007
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps5.43 SECOND
PpPs19.62 SECOND
PsPs/PpSs25.05 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

(33 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
98.97893 90.7 deg 241.497 deg Tonga Islands Region 2009/03/19 18:17:40 GMT (-23.0, -174.7) 34 km 7.0 MB, 7.6 MS, 7.6 MW, 7.6 MW
98.80175 84.0 deg 245.624 deg Samoa Islands Region 2009/09/29 17:48:10 GMT (-15.5, -172.1) 18 km 7.1 MB, 8.1 MS, 8.1 MW, 8.0 MW
98.58044 71.6 deg 315.123 deg East Of Kuril Islands 2009/01/15 17:49:39 GMT (46.9, 155.2) 36 km 6.9 MB, 7.5 MS, 7.4 MW, 7.4 MW
98.08864 76.4 deg 154.612 deg Near Coast Of Central Chile 2010/03/11 14:39:43 GMT (-34.3, -71.9) 11 km 6.7 MB, 7.0 MS, 6.9 MW, 6.9 MW
96.643555 84.2 deg 246.128 deg Samoa Islands Region 2009/08/30 14:51:32 GMT (-15.2, -172.6) 11 km 6.4 MB, 6.3 MS, 6.6 MW, 6.6 MW
95.79176 57.1 deg 311.247 deg Rat Islands, Aleutian Islands 2009/07/06 14:53:12 GMT (50.4, 177.0) 22 km 6.0 MB, 5.8 MS, 6.1 MW, 6.0 MW
94.66593 58.9 deg 20.477 deg Norwegian Sea 2009/08/20 06:35:04 GMT (72.2, 0.9) 6.0 km 5.9 MB, 5.7 MS, 6.0 MW, 6.0 MW
94.161385 74.1 deg 315.969 deg Kuril Islands 2009/04/07 04:23:33 GMT (46.0, 151.5) 31 km 6.5 MB, 6.8 MS, 6.9 MW, 6.9 MW
92.864746 89.2 deg 311.668 deg Southeast Of Honshu, Japan 2009/08/12 22:48:51 GMT (32.8, 140.4) 53 km 6.2 MB, 6.6 MW, 6.6 MW
92.83181 52.2 deg 310.59 deg Andreanof Islands, Aleutian Is. 2010/10/08 03:26:13 GMT (51.4, -175.4) 19 km 6.2 MB, 6.3 MS, 6.4 MW, 6.2 MW
92.39616 40.5 deg 121.689 deg Near Coast Of Venezuela 2009/09/12 20:06:24 GMT (10.7, -67.9) 10 km 6.3 MB, 6.4 MS, 6.3 MW, 6.3 MW
92.33274 67.1 deg 145.841 deg Northern Chile 2010/07/12 00:11:21 GMT (-22.1, -68.2) 115 km 6.1 MB, 6.3 MW, 6.2 MW
91.73335 90.4 deg 313.381 deg Near S. Coast Of Honshu, Japan 2009/08/09 10:55:55 GMT (33.2, 137.9) 297 km 6.5 MB, 7.1 MW, 7.1 MW
91.60557 35.9 deg 145.825 deg South Of Panama 2009/03/12 23:23:34 GMT (5.7, -82.8) 9.0 km 6.1 MB, 5.9 MS, 6.3 MW, 6.2 MW
91.42734 78.4 deg 156.903 deg Near Coast Of Central Chile 2010/09/09 07:28:01 GMT (-37.0, -73.4) 16 km 5.8 MB, 6.0 MS, 6.2 MW, 6.2 MW
91.41358 74.1 deg 315.993 deg Kuril Islands 2009/04/18 19:17:58 GMT (46.0, 151.4) 35 km 6.3 MB, 6.3 MS, 6.6 MW, 6.4 MW
91.12326 59.8 deg 144.082 deg Southern Peru 2009/07/12 06:12:47 GMT (-15.0, -70.4) 199 km 5.7 MB, 6.1 MW, 6.1 MW
90.93019 47.0 deg 310.886 deg Fox Islands, Aleutian Islands 2009/10/13 20:21:53 GMT (52.6, -167.1) 14 km 5.9 MB, 6.4 MS, 6.4 MW, 6.4 MW
90.63631 40.7 deg 11.13 deg Baffin Bay 2009/07/07 19:11:46 GMT (75.4, -72.5) 19 km 5.9 MB, 5.7 MS, 6.1 MW, 6.0 MW
90.57543 38.8 deg 152.317 deg Off Coast Of Ecuador 2009/05/10 01:16:06 GMT (1.4, -85.2) 6.0 km 5.5 MB, 5.7 MS, 6.1 MW, 6.1 MW
90.36433 38.6 deg 316.704 deg Kodiak Island Region, Alaska 2009/03/30 07:13:07 GMT (56.5, -152.7) 21 km 5.9 MB, 5.9 MS, 5.9 MW, 5.9 MW
88.17386 34.5 deg 136.785 deg Panama 2009/07/04 06:49:35 GMT (9.6, -79.0) 38 km 6.0 MB, 5.5 MS, 6.0 MW, 6.0 MW
86.357506 69.4 deg 318.672 deg Kuril Islands 2009/04/21 05:26:11 GMT (50.8, 155.0) 152 km 6.0 MB, 6.2 MW, 6.2 MW
85.84822 53.6 deg 68.955 deg Azores Islands Region 2009/11/04 18:41:44 GMT (36.2, -33.9) 10 km 5.7 MB, 5.6 MS, 5.9 MW, 5.8 MW
84.878136 81.3 deg 316.493 deg Hokkaido, Japan Region 2009/06/05 03:30:33 GMT (41.8, 143.4) 29 km 6.0 MB, 6.3 MS, 6.4 MW, 6.4 MW
84.613106 54.5 deg 195.608 deg Southern East Pacific Rise 2010/03/07 07:05:23 GMT (-16.2, -115.3) 10 km 5.8 MB, 5.7 MS, 6.3 MW, 6.2 MW
84.52951 59.6 deg 353.472 deg East Of Severnaya Zemlya 2009/10/07 20:52:13 GMT (81.6, 119.5) 8.0 km 5.7 MB, 5.1 MS, 5.8 MW, 5.8 MW
84.185 80.2 deg 166.333 deg West Chile Rise 2009/06/10 23:13:21 GMT (-41.7, -84.0) 10 km 5.7 MB, 5.2 MS, 5.7 MW, 5.6 MW
83.806335 47.8 deg 146.014 deg Northern Peru 2010/05/19 04:15:44 GMT (-5.1, -77.5) 140 km 6.0 MB, 6.0 MW, 6.0 MW
82.83695 53.9 deg 311.384 deg Andreanof Islands, Aleutian Is. 2009/03/30 12:07:28 GMT (51.5, -178.3) 31 km 6.0 MB, 5.5 MS, 5.7 MW, 5.7 MW
82.81561 85.6 deg 245.853 deg Tonga Islands 2009/10/02 01:07:39 GMT (-16.3, -173.5) 8.0 km 6.1 MB, 6.0 MS, 6.1 MW, 6.1 MW
80.66038 32.1 deg 145.366 deg Costa Rica 2010/05/20 22:16:30 GMT (9.2, -84.3) 21 km 5.6 MB, 5.6 MS, 5.9 MW, 5.9 MW
80.17068 54.5 deg 54.275 deg Northern Mid-Atlantic Ridge 2008/12/19 08:31:51 GMT (47.0, -27.3) 2.0 km 5.8 MB, 5.6 MS, 5.9 MW, 5.8 MW

Losers

(57 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
79.207954 71.1 deg 150.942 deg Near Coast Of Northern Chile 2010/03/26 14:52:07 GMT (-28.0, -70.8) 42 km 6.2 MB, 5.9 MS, 6.3 MW, 6.1 MW
78.339966 32.7 deg 148.634 deg Off Coast Of Costa Rica 2009/08/13 09:37:35 GMT (7.9, -85.6) 10 km 5.8 MW, 5.3 MB
77.86154 77.7 deg 156.459 deg Near Coast Of Central Chile 2010/03/16 02:21:57 GMT (-36.2, -73.3) 18 km 6.0 MB, 6.7 MS, 6.7 MW, 6.6 MW
77.08898 31.3 deg 144.382 deg Costa Rica 2009/01/08 19:21:35 GMT (10.2, -84.2) 14 km 5.7 MB, 6.0 MS, 6.1 MW, 6.1 MW
76.39151 84.1 deg 245.829 deg Samoa Islands Region 2009/10/19 22:49:38 GMT (-15.4, -172.3) 18 km 6.2 MB, 5.7 MS, 6.0 MW, 5.9 MW
74.046715 78.8 deg 156.969 deg Near Coast Of Central Chile 2010/08/05 06:01:47 GMT (-37.4, -73.3) 18 km 5.5 MS, 5.4 MB, 5.9 MW, 5.8 MW
73.837585 33.2 deg 144.25 deg Costa Rica 2009/03/11 17:24:36 GMT (8.5, -83.2) 14 km 5.8 MB, 5.6 MS, 5.9 MW, 5.9 MW
73.7042 79.1 deg 157.149 deg Near Coast Of Central Chile 2010/10/23 05:58:27 GMT (-37.7, -73.4) 15 km 5.7 MB, 5.1 MS, 5.5 MW, 5.5 MW
73.27593 59.3 deg 144.168 deg Central Peru 2010/09/13 07:15:49 GMT (-14.6, -70.8) 180 km 5.6 MB, 5.9 MW, 5.8 MW
73.11718 55.9 deg 312.939 deg Rat Islands, Aleutian Islands 2009/10/07 05:38:37 GMT (52.2, 178.1) 138 km 5.6 MB, 5.6 MW, 5.6 MW
72.91859 74.8 deg 153.697 deg Near Coast Of Central Chile 2008/12/18 21:19:28 GMT (-32.5, -71.7) 18 km 5.8 MB, 6.0 MS, 6.2 MW, 6.1 MW
72.2122 87.1 deg 313.255 deg Near East Coast Of Honshu, Japan 2009/06/06 05:52:43 GMT (35.5, 140.9) 34 km 5.8 MB, 5.4 MS, 5.8 MW, 5.7 MW
72.05815 84.5 deg 244.895 deg Samoa Islands Region 2009/10/17 10:45:26 GMT (-16.4, -172.0) 10 km 5.7 MB, 5.3 MS, 5.7 MW, 5.7 MW
71.220604 65.3 deg 319.409 deg Near East Coast Of Kamchatka 2010/08/15 02:10:38 GMT (53.6, 160.1) 40 km 5.5 MB, 4.9 MS, 5.5 MW, 5.4 MW
70.54732 89.1 deg 314.278 deg Near S. Coast Of Honshu, Japan 2009/08/10 20:07:09 GMT (34.7, 138.3) 40 km 6.1 MB
69.7657 82.9 deg 320.189 deg Eastern Sea Of Japan 2010/03/30 01:02:53 GMT (43.3, 138.4) 21 km 6.1 MB, 5.3 MS, 5.7 MW, 5.6 MW
68.697205 53.9 deg 311.376 deg Andreanof Islands, Aleutian Is. 2009/03/30 12:11:54 GMT (51.5, -178.3) 31 km 6.0 MB, 5.8 MW, 5.7 MW
67.5039 85.1 deg 244.15 deg Tonga Islands Region 2008/12/24 09:11:34 GMT (-17.3, -171.9) 9.0 km 5.9 MB, 5.6 MS, 6.0 MW, 6.0 MW
67.417984 79.3 deg 157.201 deg Near Coast Of Central Chile 2010/03/07 15:59:44 GMT (-38.0, -73.3) 27 km 5.5 MB, 5.6 MS, 5.8 MW, 5.8 MW
67.26515 88.6 deg 243.008 deg Tonga Islands 2010/10/16 13:27:45 GMT (-20.5, -173.9) 7.4 km 5.7 MB, 5.7 MS, 5.6 MW, 5.6 MW
66.87646 67.1 deg 145.982 deg Northern Chile 2010/03/04 22:39:26 GMT (-22.2, -68.3) 114 km 6.3 MB, 6.4 MW, 6.3 MW
66.68007 88.5 deg 243.0 deg Tonga Islands 2010/10/16 20:08:30 GMT (-20.4, -173.8) 8.0 km 6.1 MB, 5.9 MS, 5.9 MW, 5.8 MW
66.43318 48.4 deg 311.251 deg Fox Islands, Aleutian Islands 2010/07/28 11:31:46 GMT (52.7, -169.4) 10 km 5.6 MW, 5.2 MS, 5.2 MB, 5.1 ML
66.27445 68.6 deg 148.565 deg Northern Chile 2010/07/17 06:07:42 GMT (-24.7, -69.8) 49 km 5.7 MB, 5.5 MW, 5.5 MW
65.88174 60.0 deg 143.935 deg Southern Peru 2009/09/05 03:58:39 GMT (-15.1, -70.2) 210 km 5.8 MW, 5.2 MB, 5.8 MW
65.770996 77.9 deg 156.439 deg Near Coast Of Central Chile 2010/03/21 18:31:04 GMT (-36.3, -73.2) 36 km 5.6 MB, 5.1 MS, 5.5 MW, 5.5 MW
65.707 92.3 deg 245.687 deg Fiji Islands Region 2010/08/16 19:35:49 GMT (-20.8, -178.8) 603 km 5.7 MB, 6.2 MW, 6.1 MW
65.15119 54.2 deg 311.197 deg Andreanof Islands, Aleutian Is. 2010/08/08 12:04:28 GMT (51.3, -178.6) 29 km 5.7 MB, 5.0 MS, 5.4 MW, 5.8 ML
65.0781 54.0 deg 311.065 deg Andreanof Islands, Aleutian Is. 2009/06/22 19:55:24 GMT (51.3, -178.2) 35 km 5.6 MB, 5.6 MW, 5.6 MW
64.820885 63.8 deg 146.559 deg Near Coast Of Northern Chile 2009/04/17 02:08:08 GMT (-19.6, -70.5) 25 km 5.8 MB, 5.8 MS, 6.1 MW, 6.1 MW
64.63186 89.0 deg 242.919 deg Tonga Islands 2009/07/30 20:05:34 GMT (-20.8, -174.3) 10 km 5.9 MB, 5.7 MS, 5.8 MW, 5.7 MW
64.223434 78.1 deg 156.6 deg Near Coast Of Central Chile 2010/03/05 09:19:36 GMT (-36.6, -73.2) 30 km 5.9 MB, 5.8 MS, 6.1 MW, 6.0 MW
64.18651 95.7 deg 299.257 deg Mariana Islands 2010/03/08 09:47:11 GMT (19.3, 144.7) 457 km 6.0 MB, 6.1 MW, 6.1 MW
63.619774 60.8 deg 143.254 deg Peru-Bolivia Border Region 2009/09/30 19:03:17 GMT (-15.6, -69.3) 255 km 5.9 MB, 5.8 MW
62.658062 66.6 deg 189.673 deg Easter Island Region 2009/09/17 23:21:38 GMT (-29.1, -112.3) 10 km 5.7 MB, 6.0 MS, 6.2 MW, 6.2 MW
62.343613 69.3 deg 145.637 deg Salta Province, Argentina 2010/07/26 17:31:31 GMT (-24.1, -66.8) 193 km 5.6 MW, 5.3 MB, 5.5 MW
62.263332 53.4 deg 140.958 deg Western Brazil 2009/01/29 22:28:05 GMT (-8.1, -71.4) 602 km 5.7 MW, 5.3 MB, 5.6 MW
62.254936 70.9 deg 146.327 deg Salta Province, Argentina 2010/03/08 17:03:16 GMT (-25.7, -66.6) 10 km 5.6 MB, 5.5 MS, 5.8 MW
62.09291 86.6 deg 245.399 deg Tonga Islands 2010/09/04 08:52:04 GMT (-17.4, -174.0) 69 km 5.9 MB, 6.1 MW, 6.0 MW
60.735386 79.6 deg 157.243 deg Near Coast Of Central Chile 2010/07/14 15:05:50 GMT (-38.2, -73.2) 35 km 5.5 MS, 5.4 MB, 5.8 MW, 5.7 MW
60.229275 98.0 deg 316.001 deg Ryukyu Islands, Japan 2009/10/30 07:03:39 GMT (29.2, 129.8) 34 km 6.3 MB, 6.8 MS, 6.8 MW, 6.8 MW
59.914215 52.3 deg 144.516 deg Peru-Brazil Border Region 2010/01/25 22:52:46 GMT (-8.5, -74.5) 147 km 5.7 MB, 5.9 MW, 5.9 MW
56.801033 76.4 deg 154.608 deg Near Coast Of Central Chile 2010/03/12 16:50:01 GMT (-34.2, -71.9) 7.0 km 6.1 MB, 5.4 MS, 5.8 MW, 5.7 MW
56.64091 59.4 deg 143.673 deg Central Peru 2009/03/15 08:19:05 GMT (-14.5, -70.4) 190 km 5.7 MW, 5.1 MB, 5.6 MW
55.31938 67.3 deg 144.679 deg Chile-Bolivia Border Region 2009/07/14 18:38:08 GMT (-21.8, -67.1) 176 km 5.7 MW, 5.4 MB, 5.7 MW
54.738216 82.3 deg 317.003 deg Hokkaido, Japan Region 2010/09/13 05:47:48 GMT (41.5, 142.0) 61 km 5.8 MB, 5.8 MW, 5.8 MW
54.67823 91.3 deg 246.093 deg Fiji Islands Region 2009/08/15 23:30:19 GMT (-19.8, -178.2) 608 km 5.6 MW, 5.2 MB
54.384033 70.2 deg 317.814 deg Kuril Islands 2010/07/25 12:57:01 GMT (49.7, 154.6) 130 km 5.7 MB, 5.6 MW, 5.6 MW
54.032616 93.8 deg 297.653 deg Mariana Islands Region 2010/08/22 09:33:06 GMT (19.4, 147.4) 23 km 5.9 MB, 5.3 MS, 5.5 MW
53.58004 83.9 deg 314.859 deg Near East Coast Of Honshu, Japan 2009/06/23 07:37:17 GMT (38.8, 142.4) 37 km 5.7 MB, 5.0 MS, 5.6 MW, 5.6 MW
52.43008 91.8 deg 240.984 deg South Of Tonga Islands 2009/11/02 10:47:13 GMT (-24.1, -175.2) 9.0 km 6.1 MB, 6.1 MS, 6.2 MW, 6.1 MW
52.239662 85.7 deg 246.389 deg Tonga Islands 2010/09/16 01:54:40 GMT (-16.0, -174.0) 84 km 5.5 MB, 5.8 MW, 5.8 MW
52.08695 68.8 deg 145.173 deg Jujuy Province, Argentina 2010/01/28 08:04:14 GMT (-23.4, -66.7) 208 km 5.8 MB, 5.9 MW, 5.9 MW
50.08875 75.6 deg 154.621 deg Off Coast Of Central Chile 2010/03/10 12:20:58 GMT (-33.6, -72.3) 35 km 5.5 MB, 5.5 MS
49.885536 98.2 deg 236.714 deg Kermadec Islands Region 2009/05/24 00:58:02 GMT (-31.5, -177.7) 4.0 km 5.6 MB, 5.9 MS, 6.0 MW, 5.8 MW
47.08565 31.8 deg 117.956 deg Haiti Region 2010/01/12 22:00:41 GMT (18.4, -72.8) 10 km 6.0 MB
41.519455 72.7 deg 147.489 deg Catamarca Province, Argentina 2009/08/12 18:00:52 GMT (-27.9, -66.7) 174 km 5.5 MW, 5.3 MB, 5.5 MW