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)
Ps7.35 SECOND
PpPs20.93 SECOND
PsPs/PpSs28.28 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

(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