Station N4 S61A - Accomac, VA, USA
Network: N4 - Central and EAstern US Network
Nearby stations (2 deg radius)
Station | Name | (Lat, Lon) | Start / End | Elevation |
S61A | Accomac, VA, USA | (37.68, -75.67) | 2015-02-09 / 2599-12-31 | 58 m |
Crust2 Type: | C7,continental shelf, 6.5 km seds. |
Thickness Estimate: | 40 km |
Thickness StdDev: | 8.4 km |
Vp/Vs Estimate: | 2.08 |
Vp/Vs StdDev: | 0.15 |
Vs Estimate: | 2.793 km/s |
Poisson's Ratio: | 0.35 |
Peak Value: | 0.06 |
Assumed Vp: | 5.817 km/s |
Ps Weight: | 0.33333334 |
PpPs Weight: | 0.33333334 |
PsPs Weight: | 0.33333328 |
Residual Complexity: | 0.739 |
Nearby stations H: | 48 km +- 13 km |
(2.0 deg) Vp/Vs: | 1.87 +- 0.31 |
2 with match > 90% ( 2.3809524 %) and 9 with match > 80% ( 10.714286 %) out of 84.
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 | 40 km | 2.08 | 5.817 km/s | 2.793 km/s | 0.35 | |
Crust2.0 | 32 km | 1.81 | 5.817 km/s | 3.217 km/s | 0.28 | C7,continental shelf, 6.5 km seds. |
Global Maxima | 40 km | 2.08 | 5.817 km/s | 2.793 km/s | 0.35 | amp=0.061501242 |
Local Maxima 1 | 59 km | 1.73 | 5.817 km/s | 3.363 km/s | 0.25 | amp=0.048881877 |
Local Maxima 2 | 26 km | 2.08 | 5.817 km/s | 2.797 km/s | 0.35 | amp=0.034271426 |
Local Maxima 3 | 42 km | 1.99 | 5.817 km/s | 2.923 km/s | 0.33 | amp=0.032493368 |
Local Maxima 4 | 61 km | 1.69 | 5.817 km/s | 3.437 km/s | 0.23 | amp=0.022037424 |
Predicted Arrivals for vertical incidence (zero ray parameter) | |
Ps | 7.35 SECOND |
PpPs | 20.93 SECOND |
PsPs/PpSs | 28.28 SECOND |
Events Processed for this Station
Download zip of receiver functions as SAC
Plot maxima for each earthquake.
Events Used in the Stack
(9 events)Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude |
96.70134 | 37.3 deg | 187.047 deg | Near Coast Of Ecuador | 2016/04/16 23:58:37 GMT | (0.4, -79.9) | 19 km | 7.8 MWW, 7.4 MI |
92.4252 | 63.4 deg | 316.867 deg | Fox Islands, Aleutian Islands | 2015/07/27 04:49:44 GMT | (52.4, -169.7) | 12 km | 6.9 MO |
88.75939 | 43.1 deg | 181.884 deg | Northern Peru | 2016/09/10 10:08:20 GMT | (-5.6, -77.0) | 114 km | 6.0 MB |
88.06051 | 68.4 deg | 318.883 deg | Andreanof Islands, Aleutian Is. | 2018/08/15 21:56:54 GMT | (51.4, -178.1) | 20 km | 6.6 Mww |
87.77261 | 77.3 deg | 53.106 deg | Dodecanese Islands, Greece | 2017/07/20 22:31:12 GMT | (36.9, 27.5) | 10 km | 6.7 Mww |
85.59576 | 46.8 deg | 174.037 deg | Peru-Brazil Border Region | 2015/11/26 05:45:18 GMT | (-9.2, -71.3) | 604 km | 6.4 MWP |
83.55492 | 68.9 deg | 176.431 deg | Near Coast Of Central Chile | 2015/09/17 04:10:31 GMT | (-31.5, -71.8) | 40 km | 6.3 MB |
82.38491 | 39.8 deg | 188.041 deg | Near Coast Of Ecuador | 2019/03/31 07:04:04 GMT | (-2.0, -80.8) | 19 km | 6.2 Mww |
82.383675 | 61.1 deg | 171.567 deg | Chile-Argentina Border Region | 2017/04/15 08:19:41 GMT | (-23.2, -67.7) | 135 km | 6.2 Mww |
Losers
(75 events)Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude | Reason |
98.77694 | 69.0 deg | 176.416 deg | Near Coast Of Central Chile | 2015/09/16 22:54:31 GMT | (-31.6, -71.8) | 12 km | 8.3 MWW, 7.9 MI | |
97.00425 | 50.9 deg | 316.121 deg | Gulf Of Alaska | 2018/01/23 09:31:42 GMT | (56.0, -149.1) | 25 km | 7.9 Mww | |
96.675674 | 80.6 deg | 179.132 deg | Southern Chile | 2016/12/25 14:22:28 GMT | (-43.3, -74.5) | 15 km | 7.7 Mi | |
95.68239 | 52.2 deg | 321.493 deg | Southern Alaska | 2015/07/29 02:35:58 GMT | (59.9, -153.1) | 118 km | 6.3 ML, 6.2 MWP, 6.2 MI, 6.3 MWW | |
93.62107 | 54.7 deg | 318.163 deg | Alaska Peninsula | 2015/05/29 07:00:08 GMT | (56.7, -156.5) | 62 km | 6.8 MWP, 6.8 MI | |
93.0058 | 53.2 deg | 178.883 deg | Near Coast Of Peru | 2018/01/14 09:18:45 GMT | (-15.8, -74.7) | 36 km | 7.1 mww | |
92.74797 | 37.3 deg | 186.769 deg | Near Coast Of Ecuador | 2016/05/18 07:57:05 GMT | (0.4, -79.8) | 32 km | 6.7 MWP, 6.7 MWW, 6.7 MI | |
92.574585 | 73.7 deg | 178.438 deg | Near Coast Of Central Chile | 2015/06/20 02:10:06 GMT | (-36.3, -73.8) | 10 km | 6.4 MO | |
90.63599 | 72.2 deg | 325.352 deg | Near Islands, Aleutian Islands | 2017/06/02 22:24:47 GMT | (54.0, 170.9) | 8.2 km | 6.8 Mww | |
89.370186 | 68.3 deg | 176.182 deg | Near Coast Of Central Chile | 2015/11/07 07:31:42 GMT | (-30.9, -71.5) | 36 km | 6.8 MWP, 6.8 MI | |
88.232864 | 37.2 deg | 186.57 deg | Near Coast Of Ecuador | 2016/05/18 16:46:44 GMT | (0.5, -79.6) | 31 km | 6.8 MO | |
87.35282 | 73.2 deg | 328.215 deg | Komandorskiye Ostrova Region | 2018/01/25 02:10:33 GMT | (55.4, 166.5) | 8.8 km | 6.2 Mww | |
87.0048 | 32.2 deg | 241.513 deg | Off Coast Of Jalisco, Mexico | 2016/06/07 10:51:38 GMT | (18.4, -105.2) | 10 km | 6.2 MWP | |
85.729004 | 30.8 deg | 174.835 deg | Northern Colombia | 2015/03/10 20:55:43 GMT | (6.8, -73.0) | 147 km | 6.2 MWB | |
85.09059 | 83.2 deg | 328.887 deg | Kuril Islands | 2018/08/10 18:12:05 GMT | (48.5, 154.8) | 16 km | 5.9 Mww | |
85.08581 | 75.4 deg | 52.02 deg | Aegean Sea | 2017/06/12 12:28:38 GMT | (38.9, 26.4) | 10 km | 6.3 Mww | |
84.195786 | 70.4 deg | 321.722 deg | Rat Islands, Aleutian Islands | 2017/10/08 22:34:33 GMT | (52.4, 176.8) | 112 km | 6.6 mww | |
83.08696 | 65.0 deg | 54.418 deg | Central Italy | 2016/08/24 01:36:33 GMT | (42.7, 13.2) | 10 km | 6.2 MWP | |
82.487076 | 43.9 deg | 320.546 deg | Southeastern Alaska | 2017/05/01 12:31:53 GMT | (59.9, -136.6) | 0.1 km | 6.5 Ml | |
81.978195 | 48.2 deg | 173.788 deg | Peru-Brazil Border Region | 2015/11/24 22:45:38 GMT | (-10.6, -71.0) | 602 km | 7.5 MWW, 6.9 MI | |
81.856865 | 37.1 deg | 186.62 deg | Near Coast Of Ecuador | 2016/07/11 02:11:04 GMT | (0.6, -79.7) | 19 km | 6.3 MWW, 6.3 MWC, 6.3 MWB | |
80.9039 | 73.7 deg | 330.875 deg | Near East Coast Of Kamchatka | 2017/03/29 04:09:24 GMT | (56.9, 162.7) | 23 km | 6.6 Mww | |
80.87916 | 57.7 deg | 166.824 deg | Southern Bolivia | 2017/02/21 14:09:04 GMT | (-19.3, -63.9) | 598 km | 6.5 Mww | |
80.50077 | 47.8 deg | 333.748 deg | Northern Alaska | 2018/08/12 21:15:01 GMT | (69.5, -144.4) | 1.7 km | 6.0 Mww | |
78.05758 | 40.2 deg | 179.431 deg | Peru-Ecuador Border Region | 2017/04/18 17:49:55 GMT | (-2.7, -75.3) | 11 km | 6.0 Mww | |
78.02753 | 37.1 deg | 186.594 deg | Near Coast Of Ecuador | 2016/07/11 02:01:09 GMT | (0.6, -79.6) | 14 km | 5.8 MWW, 5.7 MWB, 5.9 MWC | |
77.37284 | 68.5 deg | 176.258 deg | Near Coast Of Central Chile | 2015/09/19 09:07:08 GMT | (-31.1, -71.6) | 23 km | 6.1 MWP | |
76.87475 | 79.5 deg | 327.579 deg | East Of Kuril Islands | 2019/03/28 22:06:49 GMT | (50.5, 160.0) | 9.0 km | 6.2 Mww | |
76.81496 | 63.5 deg | 316.6 deg | Fox Islands, Aleutian Islands | 2015/07/27 04:55:45 GMT | (52.2, -169.5) | 21 km | 6.7 MS | |
76.49932 | 59.2 deg | 166.184 deg | Southern Bolivia | 2018/04/02 13:40:34 GMT | (-20.7, -63.0) | 562 km | 6.8 Mww | |
76.35033 | 65.8 deg | 317.419 deg | Andreanof Islands, Aleutian Is. | 2015/11/02 08:15:34 GMT | (51.7, -173.4) | 21 km | 5.9 MWP, 5.2 MI | |
75.81681 | 38.2 deg | 187.464 deg | Near Coast Of Ecuador | 2017/12/03 11:19:06 GMT | (-0.5, -80.3) | 25 km | 6.0 Mww | |
75.78195 | 69.2 deg | 176.32 deg | Near Coast Of Central Chile | 2015/09/21 17:39:58 GMT | (-31.7, -71.6) | 25 km | 6.5 MB, 6.5 MI, 6.6 MWW | |
75.484474 | 77.5 deg | 330.638 deg | Kamchatka Peninsula, Russia | 2016/01/30 03:25:10 GMT | (54.0, 158.5) | 161 km | 7.2 MWW, 7.0 MI, 7.2 MWB | |
75.41857 | 48.2 deg | 333.774 deg | Northern Alaska | 2018/08/12 14:58:54 GMT | (69.6, -145.3) | 2.2 km | 6.3 ml | |
75.0952 | 83.6 deg | 329.049 deg | Kuril Islands | 2015/11/16 16:49:15 GMT | (48.3, 154.3) | 42 km | 5.8 MWB | |
74.82779 | 66.3 deg | 317.571 deg | Andreanof Islands, Aleutian Is. | 2016/03/19 01:35:12 GMT | (51.5, -174.2) | 17 km | 6.0 MWW, 5.5 ML, 5.8 MWB | |
74.0885 | 39.3 deg | 295.55 deg | Off Coast Of Oregon | 2018/08/22 09:31:47 GMT | (43.6, -127.6) | 10 km | 6.2 Mww | |
72.49171 | 79.5 deg | 329.343 deg | Near East Coast Of Kamchatka | 2018/07/06 01:40:08 GMT | (51.6, 157.9) | 80 km | 6.1 Mwp | |
72.31053 | 69.7 deg | 176.769 deg | Off Coast Of Central Chile | 2015/09/19 12:52:19 GMT | (-32.3, -72.1) | 11 km | 6.2 MWB | |
71.229485 | 68.6 deg | 176.255 deg | Near Coast Of Central Chile | 2015/09/17 01:41:09 GMT | (-31.2, -71.6) | 37 km | 5.6 MB | |
67.0244 | 89.2 deg | 331.785 deg | Kuril Islands | 2017/11/29 22:32:23 GMT | (45.2, 146.3) | 10 km | 5.4 Mww | |
66.10825 | 32.7 deg | 49.002 deg | Reykjanes Ridge | 2015/02/15 04:36:35 GMT | (52.7, -33.5) | 10 km | 5.0 MW | |
65.89184 | 93.4 deg | 332.351 deg | Hokkaido, Japan Region | 2016/01/14 03:25:34 GMT | (42.0, 142.7) | 51 km | 6.7 MWP, 6.7 MI | |
64.70589 | 76.3 deg | 330.01 deg | Near East Coast Of Kamchatka | 2016/11/25 07:26:23 GMT | (54.4, 160.6) | 84 km | 5.5 MB | |
62.717808 | 56.2 deg | 173.108 deg | Northern Chile | 2017/10/10 06:32:20 GMT | (-18.5, -69.6) | 82 km | 6.3 Mww | |
61.97966 | 54.6 deg | 2.905 deg | North Of Franz Josef Land | 2017/10/28 19:11:01 GMT | (86.9, 55.1) | 10 km | 6.0 Mww | |
61.658226 | 86.1 deg | 336.767 deg | Sakhalin, Russia | 2016/08/14 11:15:14 GMT | (50.4, 142.3) | 5.8 km | 5.7 MWW, 5.7 MWB, 5.8 MWC | |
61.48675 | 89.6 deg | 330.14 deg | Kuril Islands | 2015/07/07 05:10:27 GMT | (44.0, 147.9) | 38 km | 6.3 MO | |
60.96979 | 71.8 deg | 54.902 deg | Greece | 2015/11/17 07:10:08 GMT | (38.8, 20.6) | 11 km | 6.5 MWB | |
60.356853 | 83.9 deg | 329.336 deg | Kuril Islands | 2015/08/08 22:47:37 GMT | (48.2, 153.6) | 150 km | 4.2 mb | |
59.558083 | 89.7 deg | 44.413 deg | Iran-Iraq Border Region | 2017/11/12 18:18:17 GMT | (34.9, 46.0) | 19 km | 7.3 Mww | |
58.84911 | 61.9 deg | 170.673 deg | Jujuy Province, Argentina | 2017/02/18 12:10:15 GMT | (-23.9, -66.7) | 201 km | 6.3 Mww | |
58.579483 | 41.8 deg | 187.059 deg | Peru-Ecuador Border Region | 2017/06/05 11:34:11 GMT | (-4.1, -80.4) | 51 km | 5.6 Mww | |
58.50815 | 85.6 deg | 328.565 deg | Kuril Islands | 2015/05/09 14:12:35 GMT | (46.4, 153.0) | 150 km | 3.1 mb | |
57.974606 | 48.0 deg | 183.102 deg | Near Coast Of Peru | 2015/04/01 16:45:21 GMT | (-10.6, -78.0) | 48 km | 5.5 MW | |
57.821926 | 88.2 deg | 333.458 deg | Sea Of Okhotsk | 2018/07/01 20:45:42 GMT | (46.9, 145.0) | 388 km | 5.6 Mww | |
56.798225 | 73.4 deg | 113.769 deg | Ascension Island Region | 2015/02/18 02:20:37 GMT | (-7.7, -13.4) | 10 km | 5.2 MW | |
56.485607 | 57.9 deg | 174.39 deg | Near Coast Of Northern Chile | 2018/04/05 11:12:10 GMT | (-20.4, -70.6) | 35 km | 5.6 Mww | |
55.75462 | 47.7 deg | 173.877 deg | Peru-Brazil Border Region | 2015/11/24 22:50:53 GMT | (-10.1, -71.1) | 595 km | 5.9 MB | |
55.119488 | 68.0 deg | 176.398 deg | Near Coast Of Central Chile | 2015/11/21 23:05:29 GMT | (-30.6, -71.8) | 24 km | 5.5 MB | |
54.824654 | 61.6 deg | 116.186 deg | Central Mid-Atlantic Ridge | 2017/11/30 06:32:52 GMT | (-1.1, -23.5) | 10 km | 6.5 Mi | |
54.591934 | 42.4 deg | 180.988 deg | Northern Peru | 2017/01/02 13:13:48 GMT | (-4.9, -76.3) | 108 km | 5.9 Mwb | |
53.24857 | 66.7 deg | 318.045 deg | Andreanof Islands, Aleutian Is. | 2015/08/15 20:16:21 GMT | (51.7, -175.2) | 32 km | 5.6 MWB, 5.5 MI, 5.6 ML, 5.6 MWC | |
51.063976 | 58.4 deg | 166.28 deg | Southern Bolivia | 2016/01/14 03:25:28 GMT | (-19.8, -63.3) | 582 km | 6.1 MWW, 6.1 MWB | |
48.32037 | 54.3 deg | 320.378 deg | Alaska Peninsula | 2016/07/23 09:59:00 GMT | (58.6, -156.6) | 204 km | 5.7 MB, 5.1 MI, 5.4 ML | |
48.26475 | 69.3 deg | 176.263 deg | Near Coast Of Central Chile | 2015/09/16 23:03:56 GMT | (-31.8, -71.6) | 10 km | 6.1 MB | |
47.744484 | 56.6 deg | 173.124 deg | Northern Chile | 2018/01/21 01:06:42 GMT | (-18.9, -69.6) | 111 km | 6.3 Mww | |
47.058235 | 96.8 deg | 331.437 deg | Near East Coast Of Honshu, Japan | 2016/11/11 21:42:59 GMT | (38.5, 141.6) | 45 km | 6.2 MWB | |
46.383415 | 56.1 deg | 172.782 deg | Northern Chile | 2015/03/23 04:51:37 GMT | (-18.4, -69.4) | 128 km | 6.1 MWP, 6.1 MO | |
44.46513 | 40.6 deg | 308.441 deg | Queen Charlotte Islands Region | 2015/04/24 13:56:16 GMT | (51.7, -130.8) | 10 km | 6.1 MO | |
44.17345 | 80.3 deg | 329.135 deg | Kuril Islands | 2017/06/03 11:47:23 GMT | (50.9, 157.3) | 44 km | 5.1 Mww | |
43.304317 | 81.7 deg | 52.231 deg | Cyprus Region | 2015/04/15 08:25:12 GMT | (34.9, 32.3) | 10 km | 5.5 MB | |
41.22068 | 56.0 deg | 168.745 deg | Central Bolivia | 2019/03/15 05:03:50 GMT | (-17.9, -65.9) | 358 km | 6.3 Mww | |
15.127661 | 59.8 deg | 172.231 deg | Northern Chile | 2015/05/26 10:32:01 GMT | (-22.1, -68.4) | 115 km | 5.7 MB |