Station AV WECS - Cape Sarichef, Westdahl Peak, Alaska

Network: AV - Alaska Volcano Observatory

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
WECS Cape Sarichef, Westdahl Peak, Alaska (54.53, -164.78) 2008-08-04 / 2599-12-31 639 m
Crust2 Type:C4,continental shelf, 3.5 km seds.
Thickness Estimate:28 km
Thickness StdDev:2.4 km
Vp/Vs Estimate:1.80
Vp/Vs StdDev:0.05
Vs Estimate:3.323 km/s
Poisson's Ratio:0.28
Peak Value:0.08
Assumed Vp:5.989 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.515
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

1 with match > 90% ( 1.0526316 %) and 4 with match > 80% ( 4.2105265 %) out of 95.

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 28 km 1.80 5.989 km/s 3.323 km/s 0.28
Crust2.0 32 km 1.81 5.989 km/s 3.317 km/s 0.28 C4,continental shelf, 3.5 km seds.
Global Maxima 28 km 1.80 5.989 km/s 3.323 km/s 0.28 amp=0.075041585
Local Maxima 1 29 km 1.83 5.989 km/s 3.273 km/s 0.29 amp=0.03980488
Local Maxima 2 45 km 1.80 5.989 km/s 3.332 km/s 0.28 amp=0.03677108
Local Maxima 3 33 km 1.78 5.989 km/s 3.369 km/s 0.27 amp=0.022015512
Local Maxima 4 62 km 2.06 5.989 km/s 2.911 km/s 0.35 amp=0.015073993
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps3.82 SECOND
PpPs13.34 SECOND
PsPs/PpSs17.16 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

(4 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
95.87903 69.2 deg 223.254 deg Solomon Islands 2017/01/22 04:30:23 UTC (-6.2, 155.1) 136 km 7.9 mww
88.93508 76.8 deg 253.326 deg Northern Molucca Sea 2016/06/07 19:15:15 UTC (1.3, 126.3) 31 km 6.3 MWW, 6.2 MWB, 6.3 MWC, 6.4 MWC, 6.5 MI, 6.6 MI
83.0888 51.2 deg 245.457 deg Mariana Islands 2022/07/08 23:36:11 UTC (18.8, 146.8) 23 km 6.3 Mi
81.15794 79.7 deg 201.689 deg Southeast Of Loyalty Islands 2022/05/26 15:38:03 UTC (-22.9, 172.0) 10 km 6.9 Mi

Losers

(91 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
88.83511 79.0 deg 200.766 deg Southeast Of Loyalty Islands 2016/08/12 01:26:35 UTC (-22.5, 173.1) 10 km 7.2 MWW, 7.6 MI
87.51522 66.9 deg 96.503 deg Near Coast Of Chiapas, Mexico 2017/09/08 04:49:21 UTC (15.1, -93.7) 70 km 8.1 Mww
82.64603 70.0 deg 227.127 deg New Britain Region, P.N.G. 2018/03/29 21:25:32 UTC (-5.5, 151.4) 10 km 6.9 mww
82.47361 69.5 deg 95.192 deg Near Coast Of Guatemala 2017/06/22 12:31:04 UTC (13.7, -91.1) 10 km 6.8 Mi
81.378006 72.8 deg 208.251 deg Vanuatu Islands 2017/05/09 13:52:10 UTC (-14.6, 167.4) 169 km 6.8 mww
79.5324 70.0 deg 265.48 deg Mindoro, Philippines 2021/07/23 20:48:57 UTC (13.7, 120.7) 110 km 6.7 mww
78.75763 68.7 deg 225.786 deg New Ireland Region, P.N.G. 2017/07/13 03:36:09 UTC (-4.8, 153.2) 47 km 6.4 mww
77.94018 68.0 deg 95.175 deg Near Coast Of Chiapas, Mexico 2017/06/14 07:29:03 UTC (14.9, -92.0) 98 km 7.0 Mi
77.67506 61.4 deg 98.234 deg Central Mexico 2017/09/19 18:14:38 UTC (18.6, -98.5) 51 km 7.1 Mww
77.05963 67.8 deg 226.643 deg New Ireland Region, P.N.G. 2016/08/31 03:11:36 UTC (-3.7, 152.8) 499 km 6.7 MO
75.89975 84.3 deg 247.272 deg Timor Region 2022/05/27 02:36:05 UTC (-8.3, 127.2) 51 km 6.1 Mww
73.77773 57.6 deg 104.22 deg Off Coast Of Jalisco, Mexico 2016/06/07 10:51:38 UTC (18.4, -105.2) 10 km 6.2 MWP
72.70367 70.7 deg 218.776 deg Solomon Islands 2015/07/10 04:12:41 UTC (-9.3, 158.4) 10 km 6.7 MWW, 6.6 MWB, 6.7 MWC, 7.0 MI
72.62366 75.8 deg 193.136 deg Fiji Islands Region 2021/07/17 03:23:47 UTC (-20.6, -178.4) 559 km 5.5 Mww
72.17472 72.7 deg 190.156 deg Tonga Islands 2022/06/04 13:07:25 UTC (-18.0, -175.0) 237 km 6.3 mww
70.66619 78.6 deg 191.355 deg South Of Fiji Islands 2017/09/26 04:20:00 UTC (-23.7, -176.9) 98 km 6.4 mww
70.35137 86.4 deg 351.313 deg Aegean Sea 2017/06/12 12:28:38 UTC (38.9, 26.4) 10 km 6.3 Mww
69.95529 48.9 deg 254.821 deg Volcano Islands, Japan Region 2016/08/04 16:24:33 UTC (24.9, 142.0) 510 km 6.3 MWW, 6.2 MWC, 6.3 MWB, 6.3 MWC
69.945435 77.6 deg 317.13 deg Hindu Kush Region, Afghanistan 2015/10/26 09:09:32 UTC (36.4, 70.7) 212 km 7.5 MWW, 7.5 MWB
68.47025 46.1 deg 256.623 deg Bonin Islands, Japan Region 2022/06/21 07:14:54 UTC (28.0, 142.8) 10 km 5.9 mww
68.3773 76.4 deg 205.685 deg Vanuatu Islands 2016/06/14 13:49:22 UTC (-18.8, 168.8) 111 km 6.2 MWW, 6.2 MWB
68.25878 75.7 deg 248.002 deg Irian Jaya Region, Indonesia 2015/09/24 15:53:28 UTC (-0.6, 131.3) 24 km 6.6 MWW, 6.4 MWB, 6.9 MI
68.10503 70.9 deg 214.114 deg Solomon Islands 2015/07/01 19:35:21 UTC (-11.0, 162.6) 8.9 km 5.8 MO
68.007385 84.6 deg 190.367 deg Kermadec Islands Region 2021/07/25 10:17:00 UTC (-29.8, -176.7) 10 km 5.8 mww
67.93312 81.0 deg 316.362 deg Southeastern Afghanistan 2022/06/21 20:54:36 UTC (33.1, 69.5) 10 km 5.9 mwb
66.73774 81.5 deg 192.231 deg South Of Fiji Islands 2015/08/06 23:59:45 UTC (-26.5, -178.3) 264 km 5.9 MB
66.59237 69.4 deg 228.676 deg New Britain Region, P.N.G. 2016/10/15 08:03:39 UTC (-4.3, 150.4) 451 km 6.0 MB
66.20088 88.6 deg 331.291 deg Western Iran 2021/10/04 02:39:27 UTC (32.3, 49.8) 10 km 5.6 mww
64.03677 82.8 deg 190.326 deg Kermadec Islands Region 2016/07/13 12:11:13 UTC (-28.0, -176.4) 12 km 6.3 MWB
63.741867 83.6 deg 68.955 deg Leeward Islands 2017/04/17 05:23:15 UTC (17.5, -61.1) 21 km 5.6 Mww
63.72035 75.0 deg 193.144 deg Fiji Islands Region 2016/09/24 21:28:42 UTC (-19.8, -178.3) 594 km 6.8 MO
63.47764 70.4 deg 212.853 deg Solomon Islands 2015/08/15 07:47:06 UTC (-10.9, 163.9) 6.4 km 6.6 MWP, 6.6 MI
63.430096 70.4 deg 218.922 deg Solomon Islands 2015/11/18 18:31:04 UTC (-8.9, 158.4) 11 km 6.8 MWB, 7.0 MI
63.264046 48.7 deg 247.898 deg Mariana Islands Region 2015/08/17 14:42:32 UTC (21.9, 146.6) 3.1 km 5.6 MWB
62.76242 66.0 deg 313.405 deg Northern Xinjiang, China 2017/08/08 23:27:53 UTC (44.3, 82.8) 20 km 6.3 Mww
61.772114 69.9 deg 189.025 deg Tonga Islands 2020/11/07 09:27:04 UTC (-15.3, -173.6) 29 km 6.1 Mww
61.688976 76.7 deg 188.941 deg Tonga Islands Region 2021/09/05 17:51:42 UTC (-22.1, -174.2) 10 km 5.9 mww
61.592834 80.0 deg 256.437 deg Minahassa Peninsula, Sulawesi 2017/07/15 12:12:21 UTC (0.4, 122.0) 114 km 5.9 Mww
61.534214 51.9 deg 245.855 deg Mariana Islands 2022/06/08 00:58:00 UTC (18.4, 146.1) 138 km 5.4 Mww
61.319042 79.2 deg 290.699 deg Myanmar 2016/08/24 10:34:55 UTC (20.9, 94.6) 84 km 6.8 MO
61.261543 90.2 deg 192.12 deg East Of North Island, N.Z. 2022/06/10 23:07:22 UTC (-35.1, -179.6) 10 km 5.6 mww
60.80056 84.9 deg 191.074 deg Kermadec Islands, New Zealand 2021/08/31 02:52:49 UTC (-30.0, -177.5) 10 km 6.3 mww
60.607193 61.7 deg 271.563 deg Taiwan 2022/06/20 01:05:07 UTC (23.7, 121.5) 8.0 km 5.9 mww
59.947857 79.8 deg 203.285 deg Southeast Of Loyalty Islands 2022/03/31 05:44:01 UTC (-22.7, 170.3) 10 km 7.2 Mi
59.475792 73.8 deg 256.807 deg Mindanao, Philippines 2021/08/27 10:22:26 UTC (5.7, 125.2) 39 km 5.6 Mww
58.89834 74.1 deg 92.944 deg Near Coast Of Nicaragua 2021/11/09 06:25:17 UTC (11.2, -86.5) 35 km 6.2 mww
57.92078 70.9 deg 219.164 deg Solomon Islands 2015/08/10 04:12:14 UTC (-9.4, 158.0) 10 km 6.9 MO
57.84015 68.0 deg 226.414 deg New Ireland Region, P.N.G. 2015/08/13 14:04:58 UTC (-3.9, 152.9) 137 km 5.6 MB
57.486073 82.1 deg 250.621 deg Banda Sea 2016/06/05 16:25:33 UTC (-4.6, 125.6) 429 km 6.3 MWB
57.28335 73.2 deg 208.444 deg Vanuatu Islands 2021/08/18 10:10:05 UTC (-14.9, 167.1) 91 km 6.8 mww
56.83466 73.3 deg 241.049 deg Irian Jaya, Indonesia 2015/10/23 22:03:22 UTC (-2.1, 138.2) 10 km 5.7 MWB
56.54631 88.0 deg 284.881 deg Andaman Islands, India Region 2022/07/04 09:07:04 UTC (10.3, 94.2) 10 km 5.6 mb
56.489784 78.1 deg 191.437 deg South Of Fiji Islands 2021/08/17 17:24:47 UTC (-23.2, -177.0) 139 km 5.8 Mww
55.95889 81.0 deg 255.864 deg Minahassa Peninsula, Sulawesi 2021/07/26 12:09:06 UTC (-0.7, 121.9) 11 km 6.2 mww
55.841152 85.0 deg 191.343 deg Kermadec Islands, New Zealand 2016/06/06 02:35:32 UTC (-30.0, -177.8) 44 km 6.1 MWW, 6.0 MWC, 6.1 MWC
55.817886 69.9 deg 265.625 deg Mindoro, Philippines 2020/12/24 23:43:42 UTC (13.8, 120.6) 114 km 6.3 Mww
55.556374 79.2 deg 202.04 deg Southeast Of Loyalty Islands 2015/07/05 05:07:46 UTC (-22.4, 171.8) 100 km 5.2 MW
55.4917 75.0 deg 188.417 deg Tonga Islands 2017/07/16 17:06:41 UTC (-20.4, -173.5) 10 km 5.5 Mww
55.090702 72.5 deg 235.189 deg New Guinea, Papua New Guinea 2017/11/07 21:26:38 UTC (-4.2, 143.5) 107 km 6.5 mww
54.98186 69.8 deg 258.885 deg Leyte, Philippines 2015/07/03 06:43:23 UTC (10.2, 125.9) 50 km 6.0 MB
54.933304 76.5 deg 205.451 deg Vanuatu Islands 2016/07/20 15:13:16 UTC (-18.9, 169.0) 164 km 6.0 MO
54.824974 75.8 deg 188.754 deg Tonga Islands 2018/05/13 05:50:33 UTC (-21.2, -173.9) 10 km 5.6 mb
54.18049 66.9 deg 96.826 deg Near Coast Of Chiapas, Mexico 2017/09/11 21:09:10 UTC (14.9, -93.9) 27 km 5.5 Mww
53.794064 91.9 deg 92.006 deg Peru-Ecuador Border Region 2017/04/18 17:49:55 UTC (-2.7, -75.3) 11 km 6.0 Mww
53.6504 34.3 deg 277.77 deg Hokkaido, Japan Region 2022/07/02 01:59:45 UTC (45.9, 142.1) 322 km 5.8 mww
52.69204 79.9 deg 92.448 deg South Of Panama 2021/07/17 20:56:10 UTC (6.8, -82.7) 4.1 km 6.1 mww
52.57278 49.5 deg 253.702 deg Volcano Islands, Japan Region 2017/09/11 17:35:09 UTC (24.0, 142.3) 35 km 5.7 Mww
52.553165 69.8 deg 211.855 deg Santa Cruz Islands Region 2016/07/04 09:25:41 UTC (-10.6, 165.0) 67 km 5.6 MB
52.319946 96.3 deg 58.055 deg Northern Mid-Atlantic Ridge 2018/03/23 07:40:29 UTC (12.7, -44.6) 10 km 5.5 Mwb
51.937466 83.1 deg 1.521 deg Central Italy 2016/08/24 01:36:33 UTC (42.7, 13.2) 10 km 6.2 MWP
51.919907 69.9 deg 265.408 deg Mindoro, Philippines 2021/08/13 15:08:32 UTC (13.7, 120.8) 129 km 5.8 mww
51.813946 43.4 deg 278.839 deg Sea Of Japan 2017/07/12 19:48:07 UTC (40.9, 131.6) 538 km 5.8 Mww
50.93376 77.4 deg 316.822 deg Afghanistan-Tajikistan Bord Reg. 2015/08/10 10:05:25 UTC (36.5, 71.2) 223 km 5.7 MB
50.854614 73.2 deg 193.989 deg Fiji Islands Region 2017/08/19 02:00:52 UTC (-18.0, -178.9) 539 km 6.4 Mww
50.02482 86.3 deg 193.084 deg Kermadec Islands Region 2017/06/29 07:03:10 UTC (-31.1, 180.0) 392 km 6.0 Mww
49.94969 74.1 deg 93.127 deg Near Coast Of Nicaragua 2021/11/09 02:53:49 UTC (11.2, -86.7) 17 km 5.9 mww
49.92667 88.3 deg 350.219 deg Dodecanese Islands, Greece 2017/07/20 22:31:12 UTC (36.9, 27.5) 10 km 6.7 Mww
49.421444 93.1 deg 275.592 deg Northern Sumatra, Indonesia 2015/11/08 09:34:57 UTC (0.7, 98.9) 75 km 6.1 MB
49.14987 85.0 deg 191.243 deg Kermadec Islands, New Zealand 2022/03/02 12:52:07 UTC (-30.1, -177.7) 24 km 6.6 mww
49.076523 79.3 deg 254.922 deg Minahassa Peninsula, Sulawesi 2022/06/07 13:24:13 UTC (0.1, 123.7) 132 km 5.6 mww
48.513893 75.6 deg 78.584 deg Haiti Region 2021/08/15 03:20:45 UTC (18.4, -74.1) 12 km 5.8 mww
48.408733 86.0 deg 251.764 deg Flores Sea 2016/08/23 19:39:44 UTC (-7.3, 122.5) 528 km 6.0 MB
48.095177 76.0 deg 252.863 deg Halmahera, Indonesia 2022/05/08 21:51:41 UTC (1.8, 127.2) 56 km 5.5 mww
47.757507 69.7 deg 265.693 deg Luzon, Philippines 2017/08/11 05:28:25 UTC (14.0, 120.7) 168 km 6.2 Mww
47.520767 67.9 deg 232.193 deg Admiralty Islands Region, P.N.G. 2021/08/03 12:01:21 UTC (-1.5, 148.1) 10 km 5.5 Mww
47.519737 85.7 deg 251.303 deg Banda Sea 2017/10/24 10:47:47 UTC (-7.2, 123.0) 549 km 6.7 Mww
46.907707 75.2 deg 256.45 deg Celebes Sea 2015/09/02 01:18:30 UTC (4.4, 124.7) 310 km 5.9 MB
44.360577 81.9 deg 87.243 deg Panama-Colombia Border Region 2015/07/29 00:10:24 UTC (8.2, -77.3) 10 km 5.9 MWP, 6.1 MI
43.7933 73.2 deg 199.98 deg Fiji Islands Region 2021/11/24 05:53:47 UTC (-16.9, 175.2) 10 km 5.6 mww
43.56264 77.5 deg 199.745 deg Vanuatu Islands Region 2021/10/09 10:58:30 UTC (-21.2, 174.5) 520 km 6.9 mww
41.925537 78.9 deg 194.06 deg South Of Fiji Islands 2016/06/07 07:02:52 UTC (-23.7, -179.9) 523 km 5.5 MB