Station TA W31A - Holland Ranch, Erick, OK, USA
Network: TA - USArray Transportable Network (new EarthScope stations)
Nearby stations (2 deg radius)

Station | Name | (Lat, Lon) | Start / End | Elevation |
W31A | Holland Ranch, Erick, OK, USA | (35.19, -99.94) | 2009-03-22 / 2599-12-31 | 644 m |
Crust2 Type: | D4,Platform 46 km, 5 km seds. |
Thickness Estimate: | 42 km |
Thickness StdDev: | 5.4 km |
Vp/Vs Estimate: | 1.96 |
Vp/Vs StdDev: | 0.12 |
Vs Estimate: | 3.218 km/s |
Poisson's Ratio: | 0.32 |
Peak Value: | 0.01 |
Assumed Vp: | 6.315 km/s |
Ps Weight: | 0.33333334 |
PpPs Weight: | 0.33333334 |
PsPs Weight: | 0.33333328 |
Residual Complexity: | 0.703 |
Nearby stations H: | +- |
(2.0 deg) Vp/Vs: | +- |
16 with match > 90% ( 20.77922 %) and 25 with match > 80% ( 32.467533 %) out of 77.
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 | 42 km | 1.96 | 6.315 km/s | 3.218 km/s | 0.32 | |
Crust2.0 | 46 km | 1.78 | 6.315 km/s | 3.548 km/s | 0.27 | D4,Platform 46 km, 5 km seds. |
Global Maxima | 42 km | 1.96 | 6.315 km/s | 3.218 km/s | 0.32 | amp=0.008671477 |
Local Maxima 1 | 36 km | 2.10 | 6.315 km/s | 3.011 km/s | 0.35 | amp=0.0057955 |
Local Maxima 2 | 57 km | 1.73 | 6.315 km/s | 3.661 km/s | 0.25 | amp=0.00480932 |
Local Maxima 3 | 52 km | 1.71 | 6.315 km/s | 3.699 km/s | 0.24 | amp=0.003855584 |
Local Maxima 4 | 27 km | 1.61 | 6.315 km/s | 3.929 km/s | 0.18 | amp=0.003578465 |
Predicted Arrivals for vertical incidence (zero ray parameter) | |
Ps | 6.48 SECOND |
PpPs | 19.94 SECOND |
PsPs/PpSs | 26.41 SECOND |
Events Processed for this Station
Download zip of receiver functions as SAC
Plot maxima for each earthquake.
Events Used in the Stack
(25 events)Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude |
98.59212 | 84.8 deg | 247.141 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 |
98.15825 | 42.0 deg | 144.889 deg | Ecuador | 2010/08/12 11:54:15 GMT | (-1.3, -77.3) | 207 km | 6.4 MB, 7.1 MW, 7.1 MW |
96.8409 | 76.7 deg | 317.256 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 |
96.80507 | 51.2 deg | 313.066 deg | Fox Islands, Aleutian Islands | 2010/07/18 05:56:44 GMT | (52.9, -169.8) | 14 km | 6.3 MB, 6.7 MS, 6.6 MW, 6.6 MW |
96.254486 | 73.9 deg | 156.096 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 |
95.44859 | 93.0 deg | 314.651 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 |
95.4192 | 85.0 deg | 247.635 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 |
95.01527 | 85.9 deg | 316.77 deg | Near East Coast Of Honshu, Japan | 2010/07/04 21:55:51 GMT | (39.7, 142.4) | 27 km | 6.4 MB, 6.1 MS, 6.3 MW, 6.2 MW |
94.48296 | 38.0 deg | 122.094 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 |
93.91963 | 83.9 deg | 317.772 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 |
93.76461 | 77.2 deg | 158.826 deg | Near Coast Of Central Chile | 2011/01/02 20:20:17 GMT | (-38.4, -73.3) | 24 km | 6.6 MB, 7.1 MS, 7.1 MW, 7.0 MW |
93.03975 | 59.7 deg | 312.682 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 |
92.66326 | 68.6 deg | 319.736 deg | Off East Coast Of Kamchatka | 2010/07/30 03:56:13 GMT | (52.5, 159.8) | 23 km | 6.1 MB, 6.3 MS, 6.3 MW, 6.3 MW |
92.3843 | 77.0 deg | 158.703 deg | Near Coast Of Central Chile | 2010/07/14 08:32:21 GMT | (-38.1, -73.3) | 22 km | 5.9 MB, 6.5 MS, 6.6 MW, 6.5 MW |
91.51897 | 57.3 deg | 145.555 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 |
91.31049 | 91.8 deg | 312.941 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 |
89.96654 | 47.7 deg | 88.479 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 |
89.056206 | 45.3 deg | 147.683 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 |
87.52071 | 41.2 deg | 317.997 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 |
86.29998 | 31.9 deg | 138.04 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 |
84.36465 | 32.0 deg | 187.332 deg | Galapagos Triple Junction Region | 2009/10/15 17:48:21 GMT | (3.3, -103.8) | 10 km | 5.9 MB, 5.7 MS, 6.0 MW, 6.0 MW |
83.73475 | 42.3 deg | 10.053 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 |
82.92353 | 72.0 deg | 319.922 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 |
82.34575 | 89.8 deg | 244.22 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 |
81.82554 | 73.9 deg | 318.059 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 |
Losers
(52 events)Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude | Reason |
82.46896 | 90.8 deg | 245.003 deg | Tonga Islands | 2011/02/12 17:57:56 GMT | (-20.9, -175.7) | 90 km | 6.0 MB, 6.1 MW, 6.1 MW | |
79.92443 | 30.1 deg | 150.799 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 | |
79.23823 | 50.9 deg | 312.721 deg | Fox Islands, Aleutian Islands | 2010/07/19 08:20:30 GMT | (52.7, -169.3) | 10 km | 5.6 MW, 5.2 MS, 5.4 MB, 5.1 ML | |
79.090866 | 52.7 deg | 68.406 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 | |
78.15305 | 89.2 deg | 244.326 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 | |
77.97036 | 75.3 deg | 157.943 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 | |
77.778824 | 51.1 deg | 312.972 deg | Fox Islands, Aleutian Islands | 2010/07/18 19:48:04 GMT | (52.8, -169.7) | 10 km | 5.6 MB, 5.6 MS, 6.0 MW, 6.0 MW | |
76.58119 | 61.7 deg | 353.885 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 | |
75.61167 | 86.4 deg | 247.301 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 | |
75.45542 | 56.5 deg | 312.836 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 | |
75.217354 | 68.6 deg | 152.449 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 | |
75.10279 | 58.2 deg | 144.697 deg | Peru-Bolivia Border Region | 2009/09/30 19:03:17 GMT | (-15.6, -69.3) | 255 km | 5.9 MB, 5.8 MW | |
74.71917 | 84.9 deg | 247.343 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 | |
74.509575 | 56.5 deg | 312.827 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 | |
72.04413 | 96.2 deg | 298.852 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 | |
71.009026 | 77.9 deg | 167.856 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 | |
70.35635 | 64.7 deg | 146.11 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 | |
67.51609 | 85.7 deg | 247.914 deg | Tonga Islands | 2009/10/01 06:13:32 GMT | (-15.4, -173.3) | 10 km | 5.6 MB, 5.7 MS, 5.8 MW, 5.7 MW | |
67.3917 | 73.9 deg | 156.093 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 | |
67.09117 | 57.4 deg | 145.402 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 | |
66.31147 | 87.4 deg | 246.803 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 | |
63.96924 | 56.8 deg | 312.653 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 | |
63.10789 | 58.2 deg | 22.697 deg | Jan Mayen Island Region | 2011/01/29 06:55:26 GMT | (70.9, -6.7) | 6.0 km | 6.1 MB, 6.1 MS, 6.2 MW, 6.2 MW | |
62.82934 | 64.5 deg | 147.441 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 | |
62.336266 | 84.8 deg | 247.039 deg | Samoa Islands Region | 2009/09/29 18:08:21 GMT | (-15.6, -172.0) | 10 km | 5.6 MB | |
61.56503 | 49.7 deg | 146.071 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 | |
60.976017 | 84.9 deg | 318.278 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 | |
60.43403 | 85.5 deg | 321.449 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 | |
59.77598 | 65.7 deg | 191.306 deg | Easter Island Region | 2009/09/10 19:46:03 GMT | (-29.9, -111.8) | 10 km | 5.5 MW, 5.4 MB | |
58.245995 | 86.7 deg | 246.929 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 | |
57.959435 | 92.4 deg | 242.166 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 | |
57.387547 | 77.3 deg | 159.047 deg | Near Coast Of Central Chile | 2010/03/14 20:04:54 GMT | (-38.5, -73.5) | 13 km | 5.5 MB, 5.4 MS, 5.6 MW, 5.4 MW | |
57.181847 | 67.9 deg | 320.639 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 | |
56.559673 | 94.0 deg | 307.108 deg | Bonin Islands, Japan Region | 2010/12/21 17:40:47 GMT | (27.1, 143.2) | 10 km | 5.5 MB | |
56.541424 | 86.1 deg | 247.771 deg | Tonga Islands | 2009/05/13 21:31:17 GMT | (-15.8, -173.5) | 85 km | 5.8 MW, 5.3 MB, 5.8 MW | |
56.028545 | 72.7 deg | 153.366 deg | Mendoza Province, Argentina | 2009/05/08 13:44:53 GMT | (-32.1, -69.7) | 112 km | 5.6 MB, 5.4 MW | |
54.962208 | 61.2 deg | 148.061 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 | |
54.013557 | 90.5 deg | 243.76 deg | Tonga Islands | 2009/08/13 11:17:01 GMT | (-21.7, -174.6) | 10 km | 5.6 MW, 5.3 MB | |
53.607002 | 70.2 deg | 148.923 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 | |
52.938847 | 86.5 deg | 316.143 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 | |
52.684093 | 32.8 deg | 113.564 deg | Mona Passage | 2010/11/13 04:35:39 GMT | (17.9, -68.5) | 95 km | 5.6 MB, 5.4 MW, 5.6 MW | |
52.303513 | 53.2 deg | 198.524 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 | |
49.80406 | 73.1 deg | 156.118 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 | |
49.316895 | 66.8 deg | 147.07 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 | |
49.22346 | 86.6 deg | 247.83 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 | |
48.320324 | 70.2 deg | 148.832 deg | Catamarca Province, Argentina | 2009/04/03 17:54:50 GMT | (-27.8, -66.6) | 174 km | 5.7 MW, 5.3 MB, 5.7 MW | |
48.173428 | 66.2 deg | 146.602 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 | |
47.370285 | 62.8 deg | 318.851 deg | Komandorskiye Ostrova Region | 2010/12/07 18:17:39 GMT | (54.4, 169.1) | 10 km | 6.1 MB, 5.5 MS, 5.8 MW, 5.8 MW | |
45.15114 | 91.5 deg | 244.086 deg | Tonga Islands Region | 2011/01/31 06:03:27 GMT | (-22.0, -175.6) | 76 km | 6.0 MB, 6.0 MW, 6.0 MW | |
43.16968 | 76.9 deg | 158.666 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 | |
39.89877 | 72.8 deg | 319.078 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 | |
37.121086 | 76.3 deg | 317.254 deg | Kuril Islands | 2010/05/17 22:03:47 GMT | (46.3, 152.0) | 73 km | 5.7 MB, 5.3 MW |