Station AV CAHL - Cahill, Katmai, Alaska

Network: AV - Alaska Volcano Observatory

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
CAHL Cahill, Katmai, Alaska (58.05, -155.30) 2005-11-01 / 2499-01-01 807 m
Crust2 Type:L2,thin continental arc, Mexico, 2 km seds.
Thickness Estimate:38 km
Thickness StdDev:3.9 km
Vp/Vs Estimate:1.64
Vp/Vs StdDev:0.05
Vs Estimate:3.92 km/s
Poisson's Ratio:0.21
Peak Value:0.03
Assumed Vp:6.438 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.473
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

5 with match > 90% ( 4.132231 %) and 20 with match > 80% ( 16.528925 %) out of 121.

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 38 km 1.64 6.438 km/s 3.92 km/s 0.21
Crust2.0 34 km 1.78 6.438 km/s 3.624 km/s 0.27 L2,thin continental arc, Mexico, 2 km seds.
Global Maxima 38 km 1.64 6.438 km/s 3.92 km/s 0.21 amp=0.033873808
Local Maxima 1 38 km 1.63 6.438 km/s 3.956 km/s 0.20 amp=0.01186097
Local Maxima 2 25 km 1.60 6.438 km/s 4.024 km/s 0.18 amp=0.009660914
Local Maxima 3 38 km 1.90 6.438 km/s 3.389 km/s 0.31 amp=0.009613712
Local Maxima 4 30 km 1.77 6.438 km/s 3.643 km/s 0.26 amp=0.008717011
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps3.79 SECOND
PpPs15.60 SECOND
PsPs/PpSs19.39 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

(20 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
92.81352 76.9 deg 225.795 deg Solomon Islands 2022/11/22 02:03:07 UTC (-9.8, 159.6) 14 km 7.0 Mww
92.24539 78.6 deg 216.218 deg Vanuatu Islands 2023/07/26 12:44:35 UTC (-14.8, 167.9) 13 km 6.4 mww
91.270065 57.8 deg 111.129 deg Near Coast Of Guerrero, Mexico 2021/09/08 01:47:46 UTC (17.0, -99.8) 13 km 7.0 mww
90.771996 78.3 deg 196.18 deg Tonga Islands Region 2022/11/11 10:48:45 UTC (-19.3, -172.1) 25 km 7.3 Mww
90.18652 89.6 deg 255.107 deg Banda Sea 2021/12/29 18:25:51 UTC (-7.6, 127.6) 167 km 7.3 mww
89.06618 87.8 deg 102.031 deg Northern Peru 2021/11/28 10:52:14 UTC (-4.5, -76.7) 99 km 7.4 Mi
88.48722 74.6 deg 197.671 deg Samoa Islands Region 2022/12/04 19:24:15 UTC (-15.4, -173.0) 36 km 6.7 Mww
88.43509 74.8 deg 197.159 deg Samoa Islands Region 2022/12/04 19:24:27 UTC (-15.7, -172.5) 148 km 6.9 Mi
87.906815 79.8 deg 264.186 deg Mindanao, Philippines 2023/11/17 08:14:11 UTC (5.6, 125.0) 64 km 6.7 Mww
87.544106 79.1 deg 199.918 deg Fiji Islands Region 2021/09/07 09:49:57 UTC (-19.4, -176.1) 10 km 5.8 mww
86.870705 72.1 deg 274.432 deg Luzon, Philippines 2022/07/27 00:43:24 UTC (17.6, 120.8) 10 km 7.0 Mww
86.43661 87.3 deg 142.537 deg Easter Island Region 2022/07/12 19:17:00 UTC (-22.6, -114.2) 10 km 6.4 mb
86.43325 85.8 deg 211.35 deg Southeast Of Loyalty Islands 2023/05/20 01:51:01 UTC (-23.1, 170.4) 45 km 7.4 Mi
84.627914 78.8 deg 239.956 deg Eastern New Guinea Reg., P.N.G. 2023/10/07 08:34:26 UTC (-5.6, 146.1) 53 km 6.7 mww
83.82601 62.4 deg 106.685 deg Near Coast Of Chiapas, Mexico 2023/07/14 09:29:01 UTC (15.0, -93.9) 35 km 6.3 mww
82.950516 83.8 deg 213.155 deg Vanuatu Islands 2023/12/07 12:56:30 UTC (-20.7, 169.2) 48 km 7.1 Mww
82.79745 82.1 deg 198.363 deg Tonga Islands Region 2023/07/21 19:01:43 UTC (-22.6, -175.0) 11 km 5.5 Mww
81.20007 34.2 deg 281.066 deg Sea Of Okhotsk 2021/09/03 10:14:26 UTC (49.5, 147.0) 582 km 5.8 Mww
80.7696 81.4 deg 197.655 deg Tonga Islands Region 2021/09/05 17:51:42 UTC (-22.1, -174.2) 10 km 5.9 mww
80.212456 61.6 deg 248.335 deg South Of Mariana Islands 2023/08/14 13:51:54 UTC (13.4, 147.5) 10 km 6.1 mww

Losers

(101 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
90.13165 86.9 deg 28.004 deg Morocco 2023/09/08 22:11:01 UTC (31.1, -8.4) 19 km 6.8 mww
80.00905 75.2 deg 233.128 deg New Ireland Region, P.N.G. 2021/11/18 14:08:05 UTC (-5.3, 153.7) 35 km 6.2 mww
79.18949 78.0 deg 217.221 deg Vanuatu Islands 2023/08/16 12:47:40 UTC (-13.9, 167.2) 193 km 6.5 Mww
79.1681 57.3 deg 252.05 deg Mariana Islands Region 2022/07/10 22:19:59 UTC (18.8, 147.0) 10 km 5.6 mww
78.95992 77.4 deg 198.91 deg Tonga Islands 2023/07/02 10:27:45 UTC (-17.9, -174.7) 247 km 6.7 Mi
77.981865 75.6 deg 234.065 deg New Britain Region, P.N.G. 2023/09/28 19:21:17 UTC (-5.3, 152.8) 49 km 5.7 Mww
77.318306 89.6 deg 199.151 deg Kermadec Islands, New Zealand 2021/08/31 02:52:49 UTC (-30.0, -177.5) 10 km 6.3 mww
77.22788 79.5 deg 263.167 deg Mindanao, Philippines 2023/10/04 11:21:48 UTC (5.3, 126.1) 122 km 6.4 mww
76.1844 84.7 deg 261.144 deg Southern Molucca Sea 2023/08/04 11:48:37 UTC (-0.2, 125.0) 25 km 5.6 mww
74.98385 64.1 deg 273.341 deg Southeast Of Ryukyu Islands 2021/11/10 15:45:13 UTC (23.5, 126.5) 10 km 6.6 Mww
74.85303 70.4 deg 275.087 deg Philippine Islands Region 2023/09/12 11:03:18 UTC (19.3, 121.2) 41 km 6.3 Mww
74.75782 53.1 deg 114.536 deg Near Coast Of Jalisco, Mexico 2023/09/08 16:37:17 UTC (19.5, -104.9) 45 km 5.7 mww
74.75748 41.9 deg 273.993 deg Hokkaido, Japan Region 2023/08/11 00:14:32 UTC (41.1, 142.8) 30 km 5.9 mww
73.64058 75.4 deg 197.444 deg Samoa Islands Region 2023/07/27 00:28:58 UTC (-16.3, -172.9) 10 km 5.5 Mww
73.54593 78.2 deg 202.223 deg Fiji Islands Region 2021/08/31 10:04:54 UTC (-18.1, -178.2) 559 km 5.5 Mww
73.450264 79.5 deg 260.7 deg North Of Halmahera, Indonesia 2021/12/04 23:47:57 UTC (4.1, 128.1) 174 km 6.0 mww
72.322205 78.0 deg 199.284 deg Tonga Islands 2023/05/27 00:11:00 UTC (-18.5, -175.2) 215 km 6.0 mww
72.27868 39.2 deg 180.335 deg Hawaii 2021/10/10 21:48:36 UTC (18.8, -155.5) 35 km 6.2 Ml
72.23361 75.4 deg 75.68 deg North Atlantic Ocean 2023/07/10 20:28:25 UTC (20.0, -61.1) 10 km 6.6 mww
71.7284 57.4 deg 252.337 deg Mariana Islands 2022/07/08 23:36:11 UTC (18.8, 146.8) 23 km 6.3 Mi
71.558525 77.8 deg 203.107 deg Fiji Islands Region 2023/10/31 11:10:56 UTC (-17.5, -179.0) 548 km 6.4 mww
70.25867 76.3 deg 95.278 deg Panama-Colombia Border Region 2023/05/25 03:05:34 UTC (8.9, -77.1) 10 km 6.6 Mi
70.162056 75.9 deg 264.523 deg Mindanao, Philippines 2023/12/05 13:36:39 UTC (9.1, 126.9) 35 km 5.8 mww
69.99238 78.1 deg 217.151 deg Vanuatu Islands 2023/09/21 21:11:49 UTC (-14.0, 167.2) 188 km 6.1 mww
69.15688 81.8 deg 202.44 deg Fiji Islands Region 2023/08/02 01:32:35 UTC (-21.6, -179.3) 632 km 5.8 mww
68.960556 77.8 deg 216.95 deg Vanuatu Islands 2021/08/31 13:26:58 UTC (-13.7, 167.5) 10 km 5.3 Mww
68.36317 86.7 deg 253.849 deg Banda Sea 2023/11/11 06:41:51 UTC (-5.7, 130.2) 10 km 5.7 mww
67.95052 79.2 deg 261.6 deg Talaud Islands, Indonesia 2023/09/26 01:39:44 UTC (4.7, 127.5) 100 km 5.9 mww
67.61873 43.0 deg 273.393 deg Near East Coast Of Honshu, Japan 2021/10/05 17:46:02 UTC (40.1, 142.3) 45 km 5.7 Mww
67.51206 82.6 deg 329.797 deg Northwestern Afghanistan 2023/10/07 07:12:50 UTC (34.5, 61.9) 11 km 6.2 mww
67.46149 92.7 deg 200.076 deg South Of Kermadec Islands 2023/09/08 09:09:58 UTC (-32.7, -179.3) 90 km 6.6 mww
67.167046 80.1 deg 243.008 deg New Guinea, Papua New Guinea 2023/09/05 15:03:17 UTC (-5.3, 142.9) 52 km 5.8 mww
67.10257 97.6 deg 288.036 deg Off W Coast Of Northern Sumatra 2021/09/14 20:13:54 UTC (2.9, 95.4) 15 km 5.3 Mww
67.04144 68.0 deg 102.854 deg Near Coast Of Nicaragua 2021/09/22 09:57:07 UTC (12.1, -87.8) 10 km 6.7 Mi
66.71223 79.4 deg 216.142 deg Vanuatu Islands 2023/09/28 14:40:26 UTC (-15.6, 167.7) 126 km 6.0 mww
65.54338 49.4 deg 264.795 deg Southeast Of Honshu, Japan 2021/11/29 12:40:43 UTC (31.1, 142.8) 10 km 6.6 Mi
65.228485 83.2 deg 213.371 deg Vanuatu Islands 2022/07/22 11:31:47 UTC (-20.0, 169.2) 82 km 5.5 Mww
64.91403 73.9 deg 44.336 deg Azores Islands Region 2022/11/28 02:51:23 UTC (37.1, -32.4) 10 km 5.9 mww
64.779236 81.0 deg 311.512 deg Nepal 2023/11/03 18:02:54 UTC (28.9, 82.2) 18 km 5.6 Mww
64.75234 69.3 deg 102.202 deg Near Coast Of Nicaragua 2021/11/09 06:25:17 UTC (11.2, -86.5) 35 km 6.2 mww
64.63454 66.7 deg 277.539 deg Taiwan 2022/06/20 01:05:07 UTC (23.7, 121.5) 8.0 km 5.9 mww
64.12434 78.4 deg 216.354 deg Vanuatu Islands 2023/07/27 01:25:51 UTC (-14.6, 167.8) 10 km 5.5 Mww
63.90516 61.5 deg 105.722 deg Chiapas, Mexico 2023/08/09 09:33:26 UTC (16.2, -93.6) 111 km 5.8 mww
63.80342 79.6 deg 201.361 deg Fiji Islands Region 2021/10/30 08:05:19 UTC (-19.6, -177.6) 379 km 5.5 mww
63.699245 65.2 deg 301.942 deg Qinghai, China 2022/01/07 17:45:30 UTC (37.8, 101.3) 10 km 6.6 mww
63.169773 51.9 deg 262.327 deg Bonin Islands, Japan Region 2022/06/21 07:14:54 UTC (28.0, 142.8) 10 km 5.9 mww
63.078426 86.7 deg 254.124 deg Banda Sea 2023/08/29 04:34:42 UTC (-5.6, 130.0) 203 km 5.9 mww
62.60913 91.5 deg 332.908 deg Southern Iran 2022/07/23 16:09:07 UTC (27.0, 55.4) 10 km 5.6 Mww
62.324245 88.9 deg 198.046 deg Kermadec Islands Region 2021/10/29 19:42:31 UTC (-29.4, -176.1) 10 km 5.5 mww
62.298965 59.4 deg 252.5 deg Mariana Islands 2023/07/25 10:35:18 UTC (17.1, 145.5) 373 km 5.6 mww
62.20189 81.7 deg 323.281 deg Southeastern Afghanistan 2022/06/21 20:54:36 UTC (33.1, 69.5) 10 km 5.9 mwb
62.052765 79.8 deg 293.526 deg Myanmar-China Border Region 2022/07/21 17:07:25 UTC (21.2, 99.9) 5.0 km 5.9 mww
62.00909 79.0 deg 240.138 deg Eastern New Guinea Reg., P.N.G. 2023/10/07 13:10:40 UTC (-5.7, 145.9) 38 km 5.7 mww
61.7869 79.6 deg 264.069 deg Mindanao, Philippines 2021/08/27 10:22:26 UTC (5.7, 125.2) 39 km 5.6 Mww
61.77079 76.3 deg 234.985 deg New Britain Region, P.N.G. 2022/08/08 05:37:17 UTC (-5.5, 151.6) 35 km 5.6 mww
61.54833 94.7 deg 264.842 deg Bali Sea 2023/08/28 19:55:31 UTC (-6.8, 116.5) 514 km 7.1 Mww
61.253094 78.0 deg 197.949 deg Tonga Islands 2022/07/27 09:36:51 UTC (-18.7, -173.9) 10 km 5.6 Mww
61.034267 58.1 deg 253.753 deg Mariana Islands 2023/11/19 04:01:36 UTC (18.8, 145.3) 598 km 5.9 mww
60.51171 81.3 deg 298.265 deg Myanmar 2021/10/07 18:28:03 UTC (22.3, 94.8) 110 km 5.5 mww
60.477398 55.0 deg 259.315 deg Volcano Islands, Japan Region 2023/05/30 00:52:06 UTC (24.1, 143.0) 10 km 5.8 Mww
60.139034 70.5 deg 275.034 deg Philippine Islands Region 2023/10/04 03:35:10 UTC (19.2, 121.2) 27 km 5.7 Mww
59.426136 82.5 deg 329.659 deg Northwestern Afghanistan 2023/10/11 00:41:56 UTC (34.6, 62.1) 10 km 6.3 Mww
59.420013 79.0 deg 240.152 deg Eastern New Guinea Reg., P.N.G. 2023/10/07 16:20:34 UTC (-5.7, 145.9) 36 km 5.7 mww
59.26066 47.4 deg 277.641 deg Sea Of Japan 2021/09/29 08:37:05 UTC (38.9, 135.5) 368 km 6.1 Mww
58.94648 76.6 deg 223.878 deg Solomon Islands 2023/05/21 15:45:13 UTC (-10.3, 161.4) 78 km 6.1 Mww
58.933495 89.6 deg 199.157 deg Kermadec Islands, New Zealand 2023/10/23 10:10:15 UTC (-29.9, -177.5) 23 km 6.0 Mww
58.690403 92.0 deg 293.414 deg Andaman Islands, India Region 2023/07/28 19:23:48 UTC (10.5, 93.5) 102 km 5.9 mww
58.458866 58.5 deg 290.632 deg Northeastern China 2023/08/05 18:33:59 UTC (37.2, 116.4) 18 km 5.4 Mww
58.257896 84.7 deg 203.65 deg South Of Fiji Islands 2023/07/24 02:49:58 UTC (-24.2, 178.8) 553 km 6.0 mww
58.141876 73.9 deg 127.855 deg Central East Pacific Rise 2023/09/20 14:45:59 UTC (-4.5, -105.8) 10 km 6.0 Mww
58.075317 87.3 deg 265.702 deg Minahassa Peninsula, Sulawesi 2023/09/09 14:43:24 UTC (0.0, 119.8) 9.9 km 6.0 mww
57.569626 82.8 deg 208.211 deg Vanuatu Islands Region 2021/10/09 10:58:30 UTC (-21.2, 174.5) 520 km 6.9 mww
56.567 62.4 deg 276.194 deg Northeast Of Taiwan 2023/09/18 13:21:23 UTC (26.4, 125.3) 183 km 6.3 mww
56.14998 51.9 deg 266.403 deg Southeast Of Honshu, Japan 2023/10/05 01:59:58 UTC (30.0, 139.9) 10 km 6.1 mww
55.845627 82.3 deg 259.712 deg Halmahera, Indonesia 2023/09/11 12:51:34 UTC (1.1, 127.5) 163 km 6.0 mww
55.65697 76.1 deg 101.832 deg South Of Panama 2023/08/03 01:25:21 UTC (5.6, -82.6) 8.0 km 5.9 mww
55.452908 65.8 deg 105.268 deg Off Coast Of Central America 2023/07/30 01:10:29 UTC (12.7, -90.9) 10 km 5.7 Mww
55.00417 76.9 deg 225.835 deg Solomon Islands 2022/11/22 02:13:03 UTC (-9.8, 159.6) 10 km 5.6 mb
54.479908 78.3 deg 323.673 deg Hindu Kush Region, Afghanistan 2023/08/05 16:01:49 UTC (36.5, 70.7) 207 km 5.8 Mww
54.097515 52.5 deg 117.302 deg Off Coast Of Jalisco, Mexico 2021/12/22 23:22:58 UTC (18.9, -107.2) 8.6 km 6.0 Mww
53.660427 87.2 deg 142.542 deg Easter Island Region 2022/07/17 23:20:46 UTC (-22.5, -114.3) 10 km 5.5 Mww
53.0517 50.3 deg 271.78 deg Near S. Coast Of Honshu, Japan 2022/11/14 08:08:26 UTC (33.8, 137.3) 357 km 6.1 mww
52.89104 68.8 deg 89.546 deg Jamaica Region 2023/10/30 15:57:20 UTC (18.2, -76.6) 10 km 5.4 mww
52.697292 59.2 deg 317.137 deg Russia-Mongolia Border Region 2022/07/29 13:01:13 UTC (50.4, 90.6) 10 km 5.6 Mww
52.27321 66.8 deg 306.687 deg Qinghai, China 2021/08/25 23:38:21 UTC (38.9, 95.6) 10 km 5.6 mb
52.214783 55.4 deg 274.569 deg Kyushu, Japan 2021/10/06 08:12:56 UTC (31.2, 131.4) 44 km 5.5 mww
51.105907 69.3 deg 102.393 deg Near Coast Of Nicaragua 2021/11/09 02:53:49 UTC (11.2, -86.7) 17 km 5.9 mww
50.315968 84.1 deg 103.398 deg Near Coast Of Ecuador 2022/07/14 22:30:13 UTC (-2.1, -79.8) 81 km 5.7 mww
49.43391 82.5 deg 329.709 deg Northwestern Afghanistan 2023/10/07 07:40:29 UTC (34.6, 62.0) 7.7 km 5.9 mww
48.48623 84.9 deg 323.402 deg Pakistan 2021/10/06 22:01:08 UTC (30.2, 68.0) 9.0 km 5.9 Mwb
48.059963 85.0 deg 259.196 deg Southern Molucca Sea 2023/07/17 04:42:14 UTC (-1.5, 126.5) 10 km 5.6 mww
47.12494 82.7 deg 213.936 deg Vanuatu Islands 2023/10/29 04:32:08 UTC (-19.4, 168.8) 80 km 6.0 mww
46.74215 51.8 deg 266.272 deg Southeast Of Honshu, Japan 2023/10/03 15:22:36 UTC (29.9, 140.1) 10 km 5.8 Mww
45.7117 47.4 deg 270.904 deg Near East Coast Of Honshu, Japan 2021/10/07 13:41:24 UTC (35.6, 140.1) 62 km 5.9 mww
44.851593 44.4 deg 272.348 deg Near East Coast Of Honshu, Japan 2023/09/18 19:33:05 UTC (38.5, 141.6) 67 km 5.5 mww
44.609623 85.3 deg 206.631 deg South Of Fiji Islands 2023/09/05 00:55:24 UTC (-23.9, 175.5) 12 km 5.7 Mww
42.977055 57.2 deg 111.661 deg Guerrero, Mexico 2022/12/11 14:31:29 UTC (17.2, -100.5) 18 km 6.0 mww
42.454746 53.1 deg 114.96 deg Near Coast Of Jalisco, Mexico 2023/09/08 15:53:17 UTC (19.3, -105.1) 5.4 km 5.6 mww
41.703197 82.5 deg 329.789 deg Northwestern Afghanistan 2023/10/07 06:41:02 UTC (34.6, 61.9) 10 km 6.2 mww
40.9931 78.8 deg 216.095 deg Vanuatu Islands 2023/11/22 04:47:31 UTC (-15.0, 168.0) 13 km 6.7 mww
19.340572 78.7 deg 239.967 deg Eastern New Guinea Reg., P.N.G. 2023/10/07 08:40:13 UTC (-5.5, 146.2) 74 km 6.7 Mww