Station AV ANPK - Aniakchak Peak, Alaska

Network: AV - Alaska Volcano Observatory

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
ANPK Aniakchak Peak, Alaska (56.84, -158.13) 1997-06-30 / 2499-01-01 972 m
Crust2 Type:C3,continental shelf, 2 km seds.
Thickness Estimate:31 km
Thickness StdDev:0.7 km
Vp/Vs Estimate:1.95
Vp/Vs StdDev:0.03
Vs Estimate:3.142 km/s
Poisson's Ratio:0.32
Peak Value:0.03
Assumed Vp:6.134 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.397
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

10 with match > 90% ( 7.8125 %) and 21 with match > 80% ( 16.40625 %) out of 128.

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 31 km 1.95 6.134 km/s 3.142 km/s 0.32
Crust2.0 31 km 1.80 6.134 km/s 3.406 km/s 0.28 C3,continental shelf, 2 km seds.
Global Maxima 31 km 1.95 6.134 km/s 3.142 km/s 0.32 amp=0.03429461
Local Maxima 1 31 km 1.85 6.134 km/s 3.32 km/s 0.29 amp=0.013190922
Local Maxima 2 34 km 1.85 6.134 km/s 3.325 km/s 0.29 amp=0.011493641
Local Maxima 3 26 km 1.66 6.134 km/s 3.701 km/s 0.21 amp=0.0066100247
Local Maxima 4 26 km 2.01 6.134 km/s 3.048 km/s 0.34 amp=0.0047898833
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps4.85 SECOND
PpPs15.04 SECOND
PsPs/PpSs19.89 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

(21 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
94.093216 86.0 deg 101.329 deg Near Coast Of Ecuador 2023/03/18 17:12:53 UTC (-2.9, -79.8) 66 km 6.7 Mww
94.0835 77.2 deg 240.882 deg New Guinea, Papua New Guinea 2023/04/02 18:04:12 UTC (-4.3, 143.2) 74 km 7.3 Mi
92.45165 74.9 deg 262.441 deg Mindanao, Philippines 2023/12/02 14:37:03 UTC (8.5, 126.4) 33 km 7.6 mww
92.04199 88.0 deg 195.283 deg Kermadec Islands Region 2023/03/16 00:55:58 UTC (-30.2, -175.9) 10 km 7.1 Mi
91.837524 75.0 deg 223.36 deg Solomon Islands 2022/11/22 02:03:07 UTC (-9.8, 159.6) 14 km 7.0 Mww
91.79203 79.4 deg 258.702 deg Northern Molucca Sea 2023/01/18 06:06:11 UTC (2.7, 127.1) 29 km 7.0 mwc
91.70337 76.8 deg 237.645 deg Eastern New Guinea Reg., P.N.G. 2023/10/07 08:40:13 UTC (-5.5, 146.2) 74 km 6.7 Mww
91.58873 63.5 deg 103.506 deg Near Coast Of Chiapas, Mexico 2023/07/14 09:29:01 UTC (15.0, -93.9) 35 km 6.3 mww
91.07121 76.7 deg 213.72 deg Vanuatu Islands 2023/07/26 12:44:35 UTC (-14.8, 167.9) 13 km 6.4 mww
90.36865 76.8 deg 193.547 deg Tonga Islands Region 2022/11/11 10:48:45 UTC (-19.3, -172.1) 25 km 7.3 Mww
89.25664 86.1 deg 250.936 deg Tanimbar Islands Reg., Indonesia 2023/01/09 17:47:34 UTC (-7.1, 130.0) 95 km 7.6 mww
89.06905 93.1 deg 262.394 deg Bali Sea 2023/08/28 19:55:31 UTC (-6.8, 116.5) 514 km 7.1 Mww
86.88949 65.2 deg 275.813 deg Taiwan 2024/04/02 23:58:11 UTC (23.8, 121.6) 35 km 7.4 mww
86.3592 76.4 deg 237.071 deg Eastern New Guinea Reg., P.N.G. 2023/03/14 00:49:08 UTC (-5.4, 146.9) 213 km 6.3 mww
85.780106 76.9 deg 237.633 deg Eastern New Guinea Reg., P.N.G. 2023/10/07 08:34:26 UTC (-5.6, 146.1) 53 km 6.7 mww
85.538414 77.8 deg 260.989 deg Mindanao, Philippines 2023/10/04 11:21:48 UTC (5.3, 126.1) 122 km 6.4 mww
83.847435 87.7 deg 197.932 deg Kermadec Islands, New Zealand 2023/03/04 06:41:22 UTC (-29.5, -178.8) 206 km 6.9 mww
81.9549 73.3 deg 194.457 deg Samoa Islands Region 2022/12/04 19:24:27 UTC (-15.7, -172.5) 148 km 6.9 Mi
81.93157 73.0 deg 194.969 deg Samoa Islands Region 2022/12/04 19:24:15 UTC (-15.4, -173.0) 36 km 6.7 Mww
81.08573 84.6 deg 347.893 deg Turkey 2023/02/06 10:24:49 UTC (38.0, 37.2) 10 km 7.5 mww
81.083176 78.2 deg 262.008 deg Mindanao, Philippines 2023/11/17 08:14:11 UTC (5.6, 125.0) 64 km 6.7 Mww

Losers

(107 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
88.85032 80.1 deg 199.907 deg Fiji Islands Region 2023/08/02 01:32:35 UTC (-21.6, -179.3) 632 km 5.8 mww
84.336845 78.5 deg 199.369 deg Fiji Islands Region 2022/11/12 07:09:14 UTC (-20.1, -178.4) 587 km 7.0 mww
78.511536 55.1 deg 252.467 deg Mariana Islands 2023/11/24 09:05:03 UTC (20.2, 145.5) 16 km 6.9 mww
77.83062 77.1 deg 241.148 deg New Guinea, Papua New Guinea 2024/03/23 20:22:07 UTC (-4.1, 143.0) 64 km 7.0 Mi
76.7315 70.8 deg 83.532 deg Haiti Region 2023/02/16 06:50:46 UTC (19.6, -73.7) 14 km 5.4 mww
76.56036 81.9 deg 210.696 deg Vanuatu Islands 2023/12/07 12:56:30 UTC (-20.7, 169.2) 48 km 7.1 Mww
76.06029 71.1 deg 266.242 deg Philippine Islands Region 2023/04/04 12:54:32 UTC (13.8, 125.5) 15 km 6.2 mww
75.296074 78.1 deg 260.497 deg Talaud Islands, Indonesia 2024/01/08 20:48:46 UTC (4.9, 126.3) 91 km 7.0 Mi
74.58764 75.9 deg 97.768 deg South Of Panama 2023/04/04 22:18:12 UTC (7.6, -82.3) 10 km 6.3 mww
74.13935 69.0 deg 273.199 deg Philippine Islands Region 2023/09/12 11:03:18 UTC (19.3, 121.2) 41 km 6.3 Mww
73.85233 58.0 deg 248.39 deg Mariana Islands 2024/04/02 09:54:09 UTC (15.8, 146.9) 10 km 6.2 mww
73.51037 73.8 deg 224.623 deg Solomon Islands 2023/03/27 22:19:15 UTC (-8.2, 158.9) 86 km 6.1 mww
73.10208 82.9 deg 327.667 deg Northwestern Afghanistan 2023/10/07 07:12:50 UTC (34.5, 61.9) 11 km 6.2 mww
72.32863 62.7 deg 102.526 deg Chiapas, Mexico 2023/08/09 09:33:26 UTC (16.2, -93.6) 111 km 5.8 mww
72.046524 83.9 deg 260.492 deg Minahassa Peninsula, Sulawesi 2023/01/18 00:34:43 UTC (-0.0, 123.2) 147 km 6.1 mww
71.63431 77.2 deg 73.119 deg North Atlantic Ocean 2023/07/10 20:28:25 UTC (20.0, -61.1) 10 km 6.6 mww
71.56384 75.6 deg 234.282 deg New Britain Region, P.N.G. 2023/04/19 09:06:03 UTC (-5.9, 149.6) 40 km 6.3 mww
70.98586 75.0 deg 223.399 deg Solomon Islands 2022/11/22 02:13:03 UTC (-9.8, 159.6) 10 km 5.6 mb
70.71274 77.4 deg 99.109 deg South Of Panama 2023/08/03 01:25:21 UTC (5.6, -82.6) 8.0 km 5.9 mww
70.45008 84.6 deg 348.421 deg Turkey 2023/02/06 12:02:11 UTC (38.1, 36.5) 10 km 6.0 mb
70.34098 79.2 deg 199.179 deg Fiji Islands Region 2023/03/06 20:59:59 UTC (-20.8, -178.3) 526 km 5.8 mww
69.463745 78.4 deg 258.089 deg North Of Halmahera, Indonesia 2023/02/23 20:02:48 UTC (3.3, 128.1) 97 km 6.3 mww
69.21848 73.7 deg 236.664 deg Bismarck Sea 2023/10/08 18:07:39 UTC (-3.2, 148.5) 7.0 km 5.9 mww
68.178276 77.5 deg 259.417 deg Talaud Islands, Indonesia 2023/09/26 01:39:44 UTC (4.7, 127.5) 100 km 5.9 mww
67.88622 76.1 deg 200.507 deg Fiji Islands Region 2023/10/31 11:10:56 UTC (-17.5, -179.0) 548 km 6.4 mww
67.84305 75.8 deg 42.036 deg Azores Islands Region 2022/11/28 02:51:23 UTC (37.1, -32.4) 10 km 5.9 mww
66.977615 78.0 deg 53.329 deg Northern Mid-Atlantic Ridge 2024/03/14 21:10:25 UTC (29.8, -42.7) 10 km 6.0 mww
66.12204 83.0 deg 258.867 deg Southern Molucca Sea 2023/08/04 11:48:37 UTC (-0.2, 125.0) 25 km 5.6 mww
65.84093 76.0 deg 320.569 deg Tajikistan-Xinjiang Border Reg. 2023/02/23 00:37:40 UTC (38.1, 73.2) 21 km 6.8 Mww
65.68911 77.2 deg 214.641 deg Vanuatu Islands 2023/01/08 12:32:42 UTC (-14.9, 166.9) 28 km 7.0 mww
65.529526 85.7 deg 263.391 deg Minahassa Peninsula, Sulawesi 2023/09/09 14:43:24 UTC (0.0, 119.8) 9.9 km 6.0 mww
64.658134 78.2 deg 321.525 deg Hindu Kush Region, Afghanistan 2023/03/21 16:47:23 UTC (36.5, 71.0) 188 km 6.5 Mww
64.64764 79.9 deg 75.997 deg Leeward Islands 2023/01/20 11:23:40 UTC (16.2, -62.0) 165 km 5.8 Mi
64.21567 73.6 deg 231.701 deg New Britain Region, P.N.G. 2023/09/28 19:21:17 UTC (-5.3, 152.8) 49 km 5.7 Mww
63.991585 80.6 deg 257.469 deg Halmahera, Indonesia 2023/09/11 12:51:34 UTC (1.1, 127.5) 163 km 6.0 mww
63.67079 83.4 deg 92.153 deg Colombia 2023/08/17 17:04:48 UTC (4.4, -73.6) 10 km 6.2 mww
63.40819 78.3 deg 321.801 deg Hindu Kush Region, Afghanistan 2024/01/11 09:20:26 UTC (36.5, 70.6) 207 km 6.4 Mww
63.04247 84.8 deg 201.133 deg South Of Fiji Islands 2022/11/09 09:38:42 UTC (-26.0, 178.4) 629 km 6.8 mww
62.53061 79.0 deg 199.314 deg Fiji Islands Region 2024/03/02 00:26:40 UTC (-20.6, -178.4) 537 km 5.8 mww
61.993694 75.3 deg 195.419 deg Tonga Islands 2023/10/27 03:02:24 UTC (-17.6, -173.8) 35 km 5.6 mb
61.480293 77.6 deg 213.652 deg Vanuatu Islands 2023/09/28 14:40:26 UTC (-15.6, 167.7) 126 km 6.0 mww
61.112362 83.3 deg 256.909 deg Southern Molucca Sea 2023/07/17 04:42:14 UTC (-1.5, 126.5) 10 km 5.6 mww
60.811413 91.0 deg 197.733 deg South Of Kermadec Islands 2023/09/08 09:09:58 UTC (-32.7, -179.3) 90 km 6.6 mww
60.371548 77.1 deg 237.829 deg Eastern New Guinea Reg., P.N.G. 2023/10/07 16:20:34 UTC (-5.7, 145.9) 36 km 5.7 mww
59.903458 88.7 deg 25.658 deg Morocco 2023/09/08 22:11:01 UTC (31.1, -8.4) 19 km 6.8 mww
59.606453 84.9 deg 251.8 deg Banda Sea 2023/08/29 04:34:42 UTC (-5.6, 130.0) 203 km 5.9 mww
59.571083 51.3 deg 264.64 deg Bonin Islands, Japan Region 2023/01/16 04:49:52 UTC (29.0, 139.4) 405 km 6.3 mww
59.26046 78.9 deg 199.287 deg Fiji Islands Region 2023/02/27 06:40:59 UTC (-20.5, -178.4) 548 km 5.6 Mww
59.104725 68.4 deg 99.756 deg Off Coast Of Central America 2023/07/19 00:22:07 UTC (12.8, -88.1) 70 km 6.5 mww
59.067455 80.6 deg 309.446 deg Nepal 2023/11/03 18:02:54 UTC (28.9, 82.2) 18 km 5.6 Mww
58.791306 34.8 deg 272.423 deg Kuril Islands 2023/12/28 09:15:15 UTC (44.6, 149.0) 24 km 6.5 Mww
58.62775 59.7 deg 246.256 deg South Of Mariana Islands 2023/08/14 13:51:54 UTC (13.4, 147.5) 10 km 6.1 mww
58.528748 83.2 deg 209.301 deg Southeast Of Loyalty Islands 2022/11/17 11:21:30 UTC (-22.3, 170.2) 15 km 5.5 Mww
57.035442 56.3 deg 251.833 deg Mariana Islands 2023/11/19 04:01:36 UTC (18.8, 145.3) 598 km 5.9 mww
56.871044 88.0 deg 196.758 deg Kermadec Islands, New Zealand 2023/10/23 10:10:15 UTC (-29.9, -177.5) 23 km 6.0 Mww
55.86685 74.9 deg 223.186 deg Solomon Islands 2022/11/25 13:46:51 UTC (-9.8, 159.8) 10 km 5.7 mww
55.681355 69.0 deg 273.144 deg Philippine Islands Region 2023/10/04 03:35:10 UTC (19.2, 121.2) 27 km 5.7 Mww
55.391544 74.6 deg 234.842 deg Bismarck Sea 2023/03/01 05:36:14 UTC (-4.8, 149.6) 583 km 6.5 Mi
55.274975 76.6 deg 196.897 deg Tonga Islands 2023/12/11 06:33:31 UTC (-18.7, -175.5) 238 km 6.1 Mww
54.916107 77.5 deg 237.208 deg Eastern New Guinea Reg., P.N.G. 2023/02/04 12:22:36 UTC (-6.4, 146.2) 102 km 5.7 mww
54.489983 78.2 deg 240.699 deg New Guinea, Papua New Guinea 2023/09/05 15:03:17 UTC (-5.3, 142.9) 52 km 5.8 mww
54.307873 83.0 deg 201.172 deg South Of Fiji Islands 2023/07/24 02:49:58 UTC (-24.2, 178.8) 553 km 6.0 mww
54.285294 84.5 deg 201.29 deg South Of Fiji Islands 2022/11/09 10:14:33 UTC (-25.6, 178.3) 624 km 6.6 Mww
54.15963 76.4 deg 235.551 deg New Britain Region, P.N.G. 2023/11/14 12:52:25 UTC (-6.1, 148.2) 58 km 5.9 mww
53.86227 54.0 deg 110.897 deg Near Coast Of Jalisco, Mexico 2023/09/08 16:37:17 UTC (19.5, -104.9) 45 km 5.7 mww
53.31764 62.7 deg 249.658 deg South Of Mariana Islands 2023/10/20 00:04:22 UTC (12.4, 143.3) 22 km 5.7 mww
51.949036 57.6 deg 250.532 deg Mariana Islands 2023/07/25 10:35:18 UTC (17.1, 145.5) 373 km 5.6 mww
51.792873 94.9 deg 266.568 deg Java, Indonesia 2023/04/14 09:55:45 UTC (-6.0, 112.0) 594 km 7.0 mww
51.416206 76.8 deg 196.532 deg Tonga Islands 2024/01/18 22:12:20 UTC (-18.9, -175.1) 218 km 6.4 Mww
51.258842 77.0 deg 237.815 deg Eastern New Guinea Reg., P.N.G. 2023/10/07 13:10:40 UTC (-5.7, 145.9) 38 km 5.7 mww
51.15473 88.2 deg 141.611 deg Southern East Pacific Rise 2023/12/10 13:29:28 UTC (-24.0, -115.4) 10 km 5.5 Mww
50.75987 48.8 deg 270.464 deg Near S. Coast Of Honshu, Japan 2022/11/14 08:08:26 UTC (33.8, 137.3) 357 km 6.1 mww
50.295628 81.1 deg 206.331 deg Vanuatu Islands Region 2023/11/27 03:31:16 UTC (-21.0, 173.9) 10 km 5.5 Mww
49.97002 73.9 deg 194.757 deg Samoa Islands Region 2023/07/27 00:28:58 UTC (-16.3, -172.9) 10 km 5.5 Mww
49.38738 78.3 deg 321.7 deg Hindu Kush Region, Afghanistan 2023/08/05 16:01:49 UTC (36.5, 70.7) 207 km 5.8 Mww
48.98525 79.3 deg 6.284 deg Central Italy 2022/11/09 06:07:27 UTC (43.9, 13.3) 10 km 5.6 mww
48.363495 55.5 deg 250.149 deg Mariana Islands 2022/11/26 06:05:35 UTC (18.7, 147.0) 18 km 5.6 mww
48.18236 75.7 deg 196.736 deg Tonga Islands 2023/11/19 23:15:47 UTC (-17.7, -175.2) 240 km 5.5 Mww
47.716434 74.9 deg 262.101 deg Mindanao, Philippines 2023/12/02 17:40:16 UTC (8.4, 126.7) 51 km 6.1 mb
47.270966 77.0 deg 260.553 deg Mindanao, Philippines 2024/03/08 09:11:46 UTC (5.8, 126.9) 125 km 6.0 mww
47.117287 81.0 deg 197.715 deg South Of Fiji Islands 2024/01/31 10:49:36 UTC (-22.8, -177.1) 185 km 5.8 mww
46.340405 56.5 deg 251.327 deg Mariana Islands 2024/01/20 15:48:41 UTC (18.5, 145.6) 195 km 6.1 mww
46.291496 72.9 deg 233.765 deg New Ireland Region, P.N.G. 2023/11/18 03:01:08 UTC (-3.8, 151.3) 10 km 5.5 mww
46.114193 73.2 deg 233.984 deg New Ireland Region, P.N.G. 2023/11/13 07:43:32 UTC (-3.9, 151.0) 10 km 5.7 mb
45.547485 75.8 deg 262.318 deg Mindanao, Philippines 2023/02/01 10:44:44 UTC (7.7, 126.1) 9.4 km 6.0 mww
44.559532 48.4 deg 264.082 deg Southeast Of Honshu, Japan 2023/09/21 21:22:12 UTC (31.0, 141.8) 13 km 5.7 Mww
44.523365 65.0 deg 275.878 deg Taiwan 2024/04/03 00:43:55 UTC (24.0, 121.6) 10 km 5.5 mb
44.47216 61.2 deg 103.197 deg Chiapas, Mexico 2023/10/07 05:06:55 UTC (17.1, -95.0) 108 km 5.9 mww
44.232475 82.5 deg 270.193 deg South China Sea 2023/04/02 19:32:24 UTC (6.4, 115.8) 601 km 5.5 mb
41.15394 80.9 deg 94.244 deg Colombia 2023/08/27 21:44:59 UTC (5.3, -76.7) 15 km 5.7 Mww
40.588577 76.1 deg 214.725 deg Vanuatu Islands 2023/08/16 12:47:40 UTC (-13.9, 167.2) 193 km 6.5 Mww
39.88809 76.2 deg 214.655 deg Vanuatu Islands 2023/09/21 21:11:49 UTC (-14.0, 167.2) 188 km 6.1 mww
38.96095 93.2 deg 99.701 deg Peru-Brazil Border Region 2022/12/22 13:13:55 UTC (-8.0, -74.5) 157 km 5.5 mww
37.600124 61.4 deg 249.423 deg Mariana Islands 2023/08/09 09:20:31 UTC (13.4, 144.3) 494 km 5.7 Mi
37.094288 83.5 deg 204.17 deg South Of Fiji Islands 2023/09/05 00:55:24 UTC (-23.9, 175.5) 12 km 5.7 Mww
35.055935 82.8 deg 327.532 deg Northwestern Afghanistan 2023/10/11 00:41:56 UTC (34.6, 62.1) 10 km 6.3 Mww
34.231506 54.8 deg 112.761 deg Off Coast Of Jalisco, Mexico 2023/07/18 10:13:49 UTC (18.0, -105.7) 10 km 5.7 mww
33.646164 54.1 deg 111.318 deg Near Coast Of Jalisco, Mexico 2023/09/08 15:53:17 UTC (19.3, -105.1) 5.4 km 5.6 mww
33.25143 73.4 deg 196.172 deg Tonga Islands 2023/10/10 07:21:32 UTC (-15.5, -174.2) 25 km 5.7 Mww
32.838024 93.1 deg 262.376 deg Bali Sea 2023/09/09 00:06:14 UTC (-6.8, 116.6) 509 km 5.6 mb
28.806177 91.4 deg 254.832 deg Timor Region 2023/08/31 10:29:29 UTC (-9.5, 123.9) 55 km 5.4 mww
27.74759 67.0 deg 102.218 deg Off Coast Of Central America 2023/07/30 01:10:29 UTC (12.7, -90.9) 10 km 5.7 Mww
24.06815 85.5 deg 347.777 deg Turkey 2023/02/06 01:28:13 UTC (37.1, 37.2) 12 km 6.7 Mww
22.494127 88.8 deg 197.024 deg Kermadec Islands, New Zealand 2023/09/21 15:20:26 UTC (-30.7, -178.0) 4.1 km 5.7 Mww
21.636492 74.7 deg 221.583 deg Solomon Islands 2023/10/28 05:31:58 UTC (-10.2, 161.3) 69 km 5.5 mww
21.237206 80.4 deg 195.817 deg Tonga Islands Region 2023/07/21 19:01:43 UTC (-22.6, -175.0) 11 km 5.5 Mww
8.861243 88.8 deg 254.177 deg Banda Sea 2023/10/28 13:04:53 UTC (-7.6, 125.9) 10 km 5.5 mww