Station TA A24A - Westby, ND, USA

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

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
A24A Westby, ND, USA (48.92, -104.00) 2008-09-12 / 2599-12-31 677 m
Crust2 Type:H5,early/mid Proter. shield, Africa, 3 km seds.
Thickness Estimate:48 km
Thickness StdDev:12 km
Vp/Vs Estimate:1.91
Vp/Vs StdDev:0.17
Vs Estimate:3.37 km/s
Poisson's Ratio:0.31
Peak Value:0.03
Assumed Vp:6.438 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.705
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

3 with match > 90% ( 3.0 %) and 5 with match > 80% ( 5.0 %) out of 100.

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 48 km 1.91 6.438 km/s 3.37 km/s 0.31
Crust2.0 48 km 1.78 6.438 km/s 3.613 km/s 0.27 H5,early/mid Proter. shield, Africa, 3 km seds.
Global Maxima 48 km 1.91 6.438 km/s 3.37 km/s 0.31 amp=0.02852036
Local Maxima 1 70 km 1.63 6.438 km/s 3.955 km/s 0.20 amp=0.026258897
Local Maxima 2 44 km 2.10 6.438 km/s 3.069 km/s 0.35 amp=0.016191449
Local Maxima 3 69 km 1.60 6.438 km/s 4.023 km/s 0.18 amp=0.01513614
Local Maxima 4 44 km 1.77 6.438 km/s 3.632 km/s 0.27 amp=0.014197446
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps6.75 SECOND
PpPs21.58 SECOND
PsPs/PpSs28.33 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

(5 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
96.454254 95.2 deg 240.784 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
92.73193 64.9 deg 311.844 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
91.15194 81.4 deg 311.535 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
86.0875 43.9 deg 149.6 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
81.876434 50.0 deg 155.101 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

Losers

(95 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
97.4859 35.2 deg 149.543 deg North Of Honduras 2009/05/28 08:24:45 GMT (16.7, -86.2) 10 km 6.7 MB, 7.2 MS, 7.3 MW, 7.3 MW
97.421196 62.5 deg 310.555 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
94.77843 31.3 deg 182.754 deg Off Coast Of Jalisco, Mexico 2008/09/24 02:33:05 GMT (17.6, -105.5) 10 km 5.7 MB, 6.2 MS, 6.4 MW, 6.4 MW
93.68868 80.5 deg 309.65 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
92.082214 44.2 deg 13.732 deg North Of Svalbard 2009/03/06 10:50:29 GMT (80.3, -1.9) 9.0 km 6.6 MB, 6.5 MS, 6.5 MW, 6.4 MW
91.41031 64.9 deg 311.883 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
89.9622 87.6 deg 153.866 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
88.27103 48.8 deg 303.494 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
87.867935 30.1 deg 186.314 deg Off Coast Of Jalisco, Mexico 2009/09/24 07:16:19 GMT (18.8, -107.3) 10 km 5.8 MB, 6.2 MS, 6.3 MW, 6.3 MW
85.084854 87.9 deg 244.054 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
85.05222 43.7 deg 153.127 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
84.5973 35.8 deg 158.456 deg Guatemala 2009/05/03 16:21:47 GMT (14.6, -91.2) 124 km 5.6 MB, 6.2 MW, 6.2 MW
83.5104 46.7 deg 150.315 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
81.77674 44.5 deg 143.425 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
78.294846 51.4 deg 97.374 deg Northern Mid-Atlantic Ridge 2009/06/06 20:33:28 GMT (23.9, -46.1) 14 km 6.0 MB, 5.7 MS, 6.0 MW, 6.0 MW
77.82384 85.8 deg 39.923 deg Crete, Greece 2009/07/01 09:30:10 GMT (34.2, 25.5) 19 km 6.1 MB, 6.3 MS, 6.4 MW, 6.4 MW
77.773285 86.9 deg 315.978 deg Kyushu, Japan 2009/09/03 13:26:18 GMT (31.1, 130.0) 166 km 5.9 MB, 6.2 MW, 6.2 MW
77.003494 70.3 deg 145.438 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
75.896866 50.2 deg 141.786 deg Colombia 2008/09/13 09:32:01 GMT (4.8, -75.5) 133 km 5.9 MB, 5.7 MW, 5.7 MW
75.10288 72.0 deg 314.774 deg Hokkaido, Japan Region 2009/02/28 00:35:56 GMT (42.6, 142.1) 105 km 5.5 MB, 5.5 MW, 5.5 MW
74.91372 35.9 deg 151.065 deg Honduras 2009/06/08 05:13:14 GMT (15.8, -86.9) 10 km 5.5 MB, 4.9 MS, 5.4 MW, 5.4 MW
74.70628 58.0 deg 317.282 deg Sea Of Okhotsk 2008/11/24 09:02:58 GMT (54.2, 154.3) 492 km 6.5 MB, 7.3 MW, 7.3 MW
74.21453 51.5 deg 76.65 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
73.22969 87.7 deg 153.805 deg Near Coast Of Central Chile 2010/03/11 14:55:27 GMT (-34.3, -71.8) 18 km 6.5 MB, 6.7 MW
72.91106 95.0 deg 316.16 deg Southwestern Ryukyu Isl., Japan 2009/08/05 00:17:58 GMT (24.2, 125.1) 25 km 5.9 MB, 5.9 MS, 6.2 MW, 6.1 MW
72.56495 93.8 deg 240.91 deg Tonga Islands 2008/10/19 05:10:33 GMT (-21.9, -173.8) 29 km 6.8 MB, 7.0 MS, 6.9 MW, 6.9 MW
72.33643 71.2 deg 144.566 deg Peru-Bolivia Border Region 2009/09/30 19:03:17 GMT (-15.6, -69.3) 255 km 5.9 MB, 5.8 MW
72.08157 62.0 deg 312.264 deg Kuril Islands 2009/09/10 02:46:50 GMT (48.3, 154.2) 36 km 6.0 MB, 5.5 MS, 6.0 MW, 5.8 MW
71.29689 59.9 deg 313.986 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
69.46515 38.8 deg 300.288 deg Fox Islands, Aleutian Islands 2009/10/13 05:37:23 GMT (52.8, -167.0) 24 km 6.0 MB, 6.1 MS, 6.5 MW, 6.5 MW
68.32141 92.0 deg 244.177 deg Tonga Islands 2008/10/22 12:55:57 GMT (-18.4, -175.4) 233 km 5.9 MB, 6.4 MW, 6.3 MW
65.78756 59.9 deg 104.973 deg Northern Mid-Atlantic Ridge 2008/12/07 06:23:09 GMT (13.4, -44.8) 10 km 5.6 MB, 5.3 MS, 5.7 MW
65.46557 44.2 deg 13.783 deg North Of Svalbard 2009/03/05 19:41:40 GMT (80.3, -1.8) 10 km 5.5 MB, 5.0 MS, 5.4 MW
64.73521 49.3 deg 61.436 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
63.143135 57.6 deg 313.351 deg Near East Coast Of Kamchatka 2008/09/18 11:58:50 GMT (51.9, 158.4) 67 km 5.7 MB, 5.9 MW, 5.8 MW
62.68946 32.0 deg 171.761 deg Guerrero, Mexico 2009/04/27 16:46:28 GMT (17.0, -99.4) 35 km 5.7 MB, 5.4 MS, 5.8 MW, 5.8 MW
61.817707 78.1 deg 310.942 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
61.72928 88.6 deg 315.132 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
61.375866 42.0 deg 150.121 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
61.259045 39.5 deg 129.373 deg Haiti Region 2010/01/20 11:03:43 GMT (18.4, -72.8) 10 km 5.9 MB, 5.8 MS, 5.9 MW, 5.9 MW
60.985817 90.7 deg 156.206 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
60.725853 35.2 deg 139.746 deg Cuba Region 2010/01/19 14:23:38 GMT (19.0, -80.8) 10 km 5.7 MB, 5.4 MS, 5.9 MW, 5.9 MW
60.72238 96.5 deg 318.39 deg Taiwan Region 2009/07/13 18:05:01 GMT (24.1, 122.2) 17 km 6.1 MB, 6.3 MS, 6.3 MW, 6.2 MW
60.440132 43.0 deg 300.889 deg Andreanof Islands, Aleutian Is. 2010/03/09 14:06:52 GMT (51.5, -173.5) 35 km 5.7 MB, 5.5 MS, 5.9 MW, 5.8 MW
59.467735 93.9 deg 240.755 deg Tonga Islands 2008/10/19 12:55:05 GMT (-22.0, -173.7) 35 km 5.7 MB, 5.3 MS, 5.6 MW, 5.5 MW
57.937885 92.1 deg 344.347 deg Qinghai, China 2008/11/10 01:22:02 GMT (37.6, 95.8) 19 km 6.4 MB, 6.4 MS, 6.3 MW, 6.3 MW
57.68956 94.9 deg 4.252 deg Hindu Kush Region, Afghanistan 2009/01/03 20:23:20 GMT (36.4, 70.7) 205 km 5.8 MB
57.644085 30.2 deg 186.652 deg Off Coast Of Jalisco, Mexico 2009/10/06 17:22:50 GMT (18.8, -107.5) 10 km 5.5 MW, 4.9 MS, 5.2 MB, 5.4 MW
57.266365 43.9 deg 149.588 deg Costa Rica 2009/03/11 21:03:58 GMT (8.5, -83.2) 17 km 5.7 MB, 5.6 MS, 5.9 MW, 5.8 MW
57.15471 96.4 deg 317.073 deg Southwestern Ryukyu Isl., Japan 2009/08/17 00:05:49 GMT (23.5, 123.5) 20 km 6.2 MB, 6.6 MS, 6.7 MW, 6.6 MW
57.136173 91.6 deg 316.512 deg Northwest Of Ryukyu Islands 2009/03/26 19:19:59 GMT (27.4, 126.7) 160 km 5.6 MB, 5.9 MW, 5.9 MW
56.317986 46.9 deg 167.817 deg Galapagos Islands Region 2009/03/15 03:14:31 GMT (2.4, -95.1) 10 km 5.5 MS, 5.4 MB, 5.8 MW, 5.8 MW
56.255363 79.3 deg 145.482 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
56.15214 90.6 deg 315.924 deg Ryukyu Islands, Japan 2009/09/28 19:22:57 GMT (27.9, 127.8) 9.0 km 5.7 MB, 5.6 MS, 5.8 MW, 5.8 MW
54.581947 89.7 deg 243.77 deg Tonga Islands 2009/05/17 06:23:03 GMT (-16.8, -173.5) 67 km 5.5 MB, 5.6 MW, 5.6 MW
54.507133 86.0 deg 37.194 deg Eastern Mediterranean Sea 2009/06/19 14:04:59 GMT (35.4, 28.5) 28 km 5.6 MB, 5.6 MS, 5.8 MW, 5.8 MW
53.837257 74.7 deg 312.127 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
53.779175 88.8 deg 298.347 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
53.179886 92.0 deg 165.15 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
52.923527 39.5 deg 129.521 deg Haiti Region 2010/01/13 05:02:57 GMT (18.4, -72.9) 10 km 5.7 MB, 5.6 MS, 5.8 MW, 5.8 MW
52.722927 86.2 deg 151.326 deg Mendoza Province, Argentina 2009/05/08 13:44:53 GMT (-32.1, -69.7) 112 km 5.6 MB, 5.4 MW
52.307705 69.8 deg 145.121 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
52.30011 92.0 deg 344.465 deg Qinghai, China 2009/08/28 01:52:06 GMT (37.7, 95.7) 13 km 6.2 MB, 6.2 MS, 6.2 MW, 6.2 MW
51.348213 86.0 deg 153.092 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
51.193863 95.6 deg 245.086 deg Fiji Islands Region 2009/04/18 17:49:39 GMT (-20.6, -178.5) 566 km 5.7 MW, 5.0 MB, 5.7 MW
50.94887 84.4 deg 23.505 deg Northwestern Caucasus 2009/09/07 22:41:37 GMT (42.7, 43.4) 15 km 5.7 MB, 5.8 MS, 6.0 MW, 5.9 MW
50.62938 45.7 deg 302.811 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
49.837162 45.8 deg 302.476 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
49.672096 62.8 deg 146.749 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
49.168697 88.4 deg 297.438 deg Mariana Islands 2008/12/02 12:31:43 GMT (19.1, 145.8) 137 km 5.9 MB, 5.9 MW, 5.9 MW
48.636612 87.1 deg 301.393 deg Volcano Islands, Japan Region 2009/07/29 14:52:08 GMT (22.6, 143.3) 140 km 5.5 MW, 5.2 MB, 5.4 MW
48.62476 73.5 deg 315.1 deg Hokkaido, Japan Region 2008/09/22 07:31:59 GMT (41.6, 140.4) 149 km 5.7 MW, 5.3 MB, 5.6 MW
48.063065 43.5 deg 301.297 deg Andreanof Islands, Aleutian Is. 2008/11/02 13:48:42 GMT (51.6, -174.4) 36 km 5.7 MB, 5.8 MS, 6.1 MW, 6.1 MW
47.96776 74.7 deg 311.649 deg Near East Coast Of Honshu, Japan 2008/12/03 23:16:54 GMT (38.6, 142.9) 14 km 5.6 MB, 5.5 MS, 5.8 MW, 5.8 MW
47.854443 96.4 deg 240.48 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
47.537735 58.8 deg 153.178 deg Near Coast Of Northern Peru 2009/02/09 14:09:02 GMT (-6.6, -81.2) 15 km 5.5 MB, 5.5 MS, 6.0 MW, 5.9 MW
47.48201 65.6 deg 191.918 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
47.150185 94.9 deg 3.985 deg Afghanistan-Tajikistan Bord Reg. 2008/12/29 03:37:41 GMT (36.4, 71.1) 158 km 5.9 MB, 5.8 MW, 5.8 MW
46.405743 77.7 deg 145.172 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
46.204166 76.5 deg 310.619 deg Off East Coast Of Honshu, Japan 2008/12/20 10:29:23 GMT (36.5, 142.4) 19 km 6.0 MB, 6.3 MS, 6.3 MW, 6.3 MW
46.163662 88.7 deg 244.429 deg Tonga Islands 2009/09/29 23:11:51 GMT (-15.6, -173.4) 10 km 5.5 MB
45.883263 89.5 deg 155.816 deg Near Coast Of Central Chile 2010/03/05 11:47:06 GMT (-36.7, -73.4) 18 km 6.1 MB, 6.7 MS, 6.6 MW, 6.6 MW
45.776875 47.7 deg 352.104 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
45.591797 84.6 deg 178.928 deg Southeast Of Easter Island 2009/07/08 19:23:37 GMT (-36.0, -102.7) 12 km 5.5 MS, 5.4 MB, 6.0 MW, 5.9 MW
45.449173 92.6 deg 294.768 deg Mariana Islands 2009/06/19 15:06:24 GMT (14.1, 145.2) 114 km 5.5 MB, 5.5 MW
44.572517 63.6 deg 143.442 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
43.18293 66.8 deg 150.821 deg Near Coast Of Peru 2009/02/02 17:53:21 GMT (-13.6, -76.6) 21 km 5.6 MB, 5.6 MS, 6.0 MW, 5.9 MW
42.381256 93.1 deg 314.185 deg Southeast Of Ryukyu Islands 2009/07/06 22:35:05 GMT (24.9, 128.0) 10 km 6.1 MB, 5.3 MS, 5.7 MW, 5.7 MW
41.164696 94.8 deg 4.079 deg Hindu Kush Region, Afghanistan 2009/10/22 19:51:27 GMT (36.5, 70.9) 186 km 6.1 MB, 6.2 MW, 6.1 MW
40.614147 74.5 deg 147.287 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
40.076984 58.2 deg 152.639 deg Near Coast Of Northern Peru 2009/02/15 10:04:49 GMT (-5.9, -80.9) 21 km 5.8 MB, 5.7 MS, 6.1 MW, 6.1 MW
39.607452 87.8 deg 154.016 deg Near Coast Of Central Chile 2010/03/11 15:06:02 GMT (-34.5, -72.0) 32 km 6.0 MB, 5.9 ML
36.9498 70.4 deg 145.285 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
35.997738 93.3 deg 241.856 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
32.32853 83.4 deg 147.297 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