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=0.015736995 |
| 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=0.0079467995 |
| 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) | |
| Ps | 5.03 SECOND |
| PpPs | 19.06 SECOND |
| PsPs/PpSs | 24.09 SECOND |
Events Processed for this Station
Download zip of receiver functions as SAC
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 |
