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) | |
Ps | 3.82 SECOND |
PpPs | 13.34 SECOND |
PsPs/PpSs | 17.16 SECOND |
Events Processed for this Station
Download zip of receiver functions as SAC
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 |