Station AV LSSE - Southeast, Little Sitkin Volcano, Alaska

Network: AV - Alaska Volcano Observatory

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
LSSE Southeast, Little Sitkin Volcano, Alaska (51.93, 178.57) 2005-09-27 / 2499-01-01 335 m
Crust2 Type:S1,continental slope, margin, transition 1 km seds.
Thickness Estimate:24 km
Thickness StdDev:12 km
Vp/Vs Estimate:1.60
Vp/Vs StdDev:0.11
Vs Estimate:3.864 km/s
Poisson's Ratio:0.18
Peak Value:0.02
Assumed Vp:6.183 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.841
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

5 with match > 90% ( 3.90625 %) and 14 with match > 80% ( 10.9375 %) 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 24 km 1.60 6.183 km/s 3.864 km/s 0.18
Crust2.0 23 km 1.81 6.183 km/s 3.422 km/s 0.28 S1,continental slope, margin, transition 1 km seds.
Global Maxima 24 km 1.60 6.183 km/s 3.864 km/s 0.18 amp=0.016181203
Local Maxima 1 46 km 1.64 6.183 km/s 3.77 km/s 0.20 amp=0.016165374
Local Maxima 2 61 km 2.05 6.183 km/s 3.016 km/s 0.34 amp=0.007457409
Local Maxima 3 28 km 2.01 6.183 km/s 3.084 km/s 0.33 amp=0.00721048
Local Maxima 4 66 km 1.72 6.183 km/s 3.6 km/s 0.24 amp=0.0058952696
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps2.28 SECOND
PpPs9.88 SECOND
PsPs/PpSs12.16 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

(14 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
99.20626 63.6 deg 201.003 deg Solomon Islands 2022/11/22 02:13:03 UTC (-9.8, 159.6) 10 km 5.6 mb
98.86707 76.7 deg 180.172 deg South Of Fiji Islands 2023/04/28 03:34:10 UTC (-25.1, 178.4) 570 km 5.5 Mww
95.67637 60.7 deg 214.379 deg Bismarck Sea 2023/04/10 01:05:49 UTC (-3.6, 149.0) 10 km 5.9 mww
94.63786 66.5 deg 241.685 deg Celebes Sea 2022/11/06 00:03:13 UTC (2.5, 124.7) 239 km 5.6 mww
92.91337 64.1 deg 215.963 deg Eastern New Guinea Reg., P.N.G. 2022/09/10 23:46:55 UTC (-6.2, 146.5) 61 km 7.6 mww
87.01715 71.7 deg 85.76 deg Near Coast Of Guerrero, Mexico 2021/09/08 01:47:46 UTC (17.0, -99.8) 13 km 7.0 mww
85.76456 68.5 deg 87.695 deg Near Coast Of Michoacan, Mexico 2022/09/19 18:05:09 UTC (18.2, -103.4) 10 km 7.5 Mi
85.6219 74.7 deg 175.963 deg South Of Fiji Islands 2023/06/15 18:06:27 UTC (-23.0, -177.2) 167 km 7.2 Mww
85.4006 74.6 deg 175.379 deg South Of Fiji Islands 2023/06/15 18:06:29 UTC (-22.9, -176.6) 206 km 7.0 Mi
85.12166 67.3 deg 192.043 deg Vanuatu Islands 2021/08/18 10:10:05 UTC (-14.9, 167.1) 91 km 6.8 mww
85.09678 66.3 deg 192.112 deg Vanuatu Islands 2023/08/16 12:47:40 UTC (-13.9, 167.2) 193 km 6.5 Mww
83.349495 62.1 deg 242.131 deg Mindanao, Philippines 2021/08/11 17:46:14 UTC (6.5, 126.8) 50 km 7.2 Mi
81.616455 41.4 deg 229.007 deg Mariana Islands 2022/07/08 23:36:11 UTC (18.8, 146.8) 23 km 6.3 Mi
81.27337 67.0 deg 191.193 deg Vanuatu Islands 2023/07/26 12:44:35 UTC (-14.8, 167.9) 13 km 6.4 mww

Losers

(114 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
99.869194 70.9 deg 20.606 deg Reykjanes Ridge 2022/11/03 20:47:46 UTC (53.8, -35.5) 10 km 5.4 Mww
99.848366 67.5 deg 171.337 deg Tonga Islands 2022/10/24 07:51:10 UTC (-15.5, -173.1) 114 km 5.9 Mi
99.83874 67.2 deg 171.376 deg Tonga Islands 2022/10/24 07:50:58 UTC (-15.2, -173.2) 10 km 5.6 mww
99.8108 87.2 deg 311.662 deg Southern Iran 2022/11/30 15:17:41 UTC (26.9, 55.2) 4.7 km 5.7 mww
98.83239 58.9 deg 248.627 deg Luzon, Philippines 2023/02/15 18:10:08 UTC (12.3, 123.9) 8.0 km 6.1 mww
98.66123 84.0 deg 251.21 deg Java, Indonesia 2022/12/08 00:50:55 UTC (-6.7, 107.1) 107 km 5.8 mww
98.08243 69.5 deg 176.726 deg Fiji Islands Region 2023/03/27 02:29:21 UTC (-17.8, -178.2) 467 km 5.5 mww
96.12336 83.7 deg 329.26 deg Turkey 2023/02/07 07:11:14 UTC (38.1, 38.7) 6.8 km 5.4 Mww
94.1653 85.1 deg 64.334 deg Haiti Region 2023/02/16 06:50:46 UTC (19.6, -73.7) 14 km 5.4 mww
89.34258 33.8 deg 252.263 deg Southeast Of Honshu, Japan 2023/05/14 10:11:35 UTC (33.4, 139.3) 14 km 5.6 mww
84.97567 67.4 deg 191.87 deg Vanuatu Islands 2023/01/10 05:24:48 UTC (-15.0, 167.2) 110 km 5.7 mww
84.827896 52.1 deg 259.081 deg Taiwan 2022/09/18 06:44:15 UTC (23.1, 121.3) 10 km 7.2 Mi
83.24625 64.5 deg 240.409 deg Talaud Islands, Indonesia 2023/02/11 08:55:04 UTC (3.6, 126.7) 23 km 5.9 mww
82.03407 75.1 deg 187.187 deg Southeast Of Loyalty Islands 2023/05/19 03:03:48 UTC (-23.2, 171.0) 35 km 5.5 mb
79.64754 75.6 deg 174.079 deg Tonga Islands Region 2023/06/16 19:10:52 UTC (-23.8, -175.2) 10 km 6.5 Mi
79.44421 87.1 deg 311.694 deg Southern Iran 2022/07/01 21:32:07 UTC (26.9, 55.2) 10 km 6.1 mww
77.91998 69.8 deg 173.167 deg Tonga Islands 2023/07/02 10:27:45 UTC (-17.9, -174.7) 247 km 6.7 Mi
77.79735 73.5 deg 233.435 deg Banda Sea 2021/12/29 18:25:51 UTC (-7.6, 127.6) 167 km 7.3 mww
77.44345 59.7 deg 252.426 deg Mindoro, Philippines 2021/07/23 20:48:57 UTC (13.7, 120.7) 110 km 6.7 mww
76.306114 84.1 deg 329.886 deg Turkey 2023/02/06 10:35:58 UTC (38.0, 37.8) 10 km 5.8 mb
75.98551 81.6 deg 176.564 deg Kermadec Islands, New Zealand 2021/08/31 02:52:49 UTC (-30.0, -177.5) 10 km 6.3 mww
75.17749 38.8 deg 138.668 deg Hawaii 2021/10/10 21:48:36 UTC (18.8, -155.5) 35 km 6.2 Ml
74.86614 79.7 deg 271.164 deg Nicobar Islands, India Region 2021/08/04 17:57:39 UTC (8.8, 94.1) 5.0 km 5.5 Mww
74.80175 70.7 deg 242.224 deg Minahassa Peninsula, Sulawesi 2021/07/26 12:09:06 UTC (-0.7, 121.9) 11 km 6.2 mww
74.75543 73.2 deg 188.252 deg Southeast Of Loyalty Islands 2022/09/14 11:04:07 UTC (-21.2, 170.1) 124 km 7.0 Mi
74.43085 59.6 deg 252.509 deg Mindoro, Philippines 2023/06/15 02:19:25 UTC (13.8, 120.7) 124 km 6.2 mww
73.311516 74.7 deg 186.276 deg Southeast Of Loyalty Islands 2022/05/26 15:38:03 UTC (-22.9, 172.0) 10 km 6.9 Mi
73.2898 72.9 deg 183.944 deg Vanuatu Islands Region 2021/10/09 10:58:30 UTC (-21.2, 174.5) 520 km 6.9 mww
73.258736 74.0 deg 172.989 deg Tonga Islands Region 2021/09/05 17:51:42 UTC (-22.1, -174.2) 10 km 5.9 mww
73.075584 76.8 deg 82.491 deg Near Coast Of Chiapas, Mexico 2023/07/14 09:29:01 UTC (15.0, -93.9) 35 km 6.3 mww
72.81777 66.2 deg 239.697 deg Northern Molucca Sea 2022/08/14 02:47:46 UTC (1.8, 126.4) 30 km 5.7 mww
72.13511 46.1 deg 253.928 deg Ryukyu Islands, Japan 2022/11/11 17:32:24 UTC (25.0, 128.8) 14 km 5.3 Mww
70.82508 55.1 deg 255.845 deg Philippine Islands Region 2022/06/30 18:40:38 UTC (19.1, 121.3) 36 km 5.9 Mww
70.55909 84.5 deg 177.099 deg South Of Kermadec Islands 2022/08/14 13:44:22 UTC (-32.9, -178.0) 33 km 6.8 Mi
70.46421 64.7 deg 192.467 deg Santa Cruz Islands 2022/05/28 14:11:12 UTC (-12.2, 167.1) 214 km 5.6 Mww
70.10243 66.2 deg 192.58 deg Vanuatu Islands 2022/04/13 02:32:00 UTC (-13.8, 166.7) 13 km 5.5 Mww
69.94947 56.6 deg 255.154 deg Luzon, Philippines 2022/07/27 00:43:24 UTC (17.6, 120.8) 10 km 7.0 Mww
69.74935 75.1 deg 304.809 deg Southeastern Afghanistan 2022/06/21 20:54:36 UTC (33.1, 69.5) 10 km 5.9 mwb
69.19467 56.6 deg 291.988 deg Qinghai, China 2021/08/25 23:38:21 UTC (38.9, 95.6) 10 km 5.6 mb
68.67963 84.3 deg 177.904 deg South Of Kermadec Islands 2022/08/14 13:44:17 UTC (-32.7, -179.0) 10 km 6.4 Mww
67.80444 83.9 deg 329.712 deg Turkey 2023/02/06 10:51:30 UTC (38.1, 38.1) 12 km 5.7 mb
67.70253 63.2 deg 301.153 deg Southern Xinjiang, China 2023/01/29 23:49:38 UTC (40.0, 82.4) 28 km 5.7 Mww
67.661575 51.6 deg 259.395 deg Taiwan 2022/06/20 01:05:07 UTC (23.7, 121.5) 8.0 km 5.9 mww
67.46295 85.3 deg 252.6 deg Sunda Strait, Indonesia 2022/01/14 09:05:42 UTC (-6.9, 105.3) 37 km 6.6 mww
66.5739 59.6 deg 252.348 deg Mindoro, Philippines 2021/08/13 15:08:32 UTC (13.7, 120.8) 129 km 5.8 mww
66.107635 30.3 deg 253.087 deg Near East Coast Of Honshu, Japan 2021/08/04 04:40:23 UTC (36.1, 142.0) 14 km 5.7 mww
65.67611 65.8 deg 238.917 deg Halmahera, Indonesia 2022/05/08 21:51:41 UTC (1.8, 127.2) 56 km 5.5 mww
65.24114 75.3 deg 174.461 deg Tonga Islands Region 2023/07/02 02:41:17 UTC (-23.5, -175.6) 10 km 5.6 Mww
64.481316 85.1 deg 255.425 deg Southern Sumatra, Indonesia 2022/08/23 14:31:40 UTC (-5.1, 103.1) 59 km 6.0 Mww
64.07467 71.3 deg 294.091 deg Nepal 2023/01/24 08:58:32 UTC (29.6, 81.7) 25 km 5.6 mb
63.94967 68.7 deg 192.084 deg Vanuatu Islands 2022/04/09 20:52:37 UTC (-16.3, 166.8) 10 km 6.2 mww
62.779476 74.0 deg 187.372 deg Southeast Of Loyalty Islands 2022/08/14 21:04:46 UTC (-22.1, 170.9) 83 km 6.2 mww
62.745037 86.1 deg 311.46 deg Southern Iran 2021/11/14 12:08:38 UTC (27.7, 56.1) 10 km 6.3 mb
61.680244 87.1 deg 311.621 deg Southern Iran 2022/07/01 23:25:15 UTC (26.9, 55.3) 10 km 6.0 Mwb
61.45429 72.6 deg 183.569 deg Vanuatu Islands Region 2021/10/02 06:29:16 UTC (-20.9, 174.9) 486 km 7.2 Mi
61.355644 62.9 deg 243.862 deg Mindanao, Philippines 2022/08/15 08:23:05 UTC (6.6, 125.0) 10 km 5.2 Mww
60.680073 72.6 deg 177.563 deg Fiji Islands Region 2022/09/11 09:06:51 UTC (-21.0, -178.9) 630 km 5.5 mb
60.633118 84.3 deg 261.783 deg Southern Sumatra, Indonesia 2022/03/14 14:12:09 UTC (-0.6, 98.6) 19 km 5.2 Mww
59.537037 82.0 deg 176.657 deg Kermadec Islands, New Zealand 2022/08/05 04:38:41 UTC (-30.4, -177.6) 30 km 5.7 Mww
59.087452 69.4 deg 167.056 deg Samoa Islands Region 2022/09/14 05:08:06 UTC (-16.9, -168.8) 10 km 6.0 Mi
59.034733 84.6 deg 261.441 deg Southern Sumatra, Indonesia 2022/08/29 03:29:13 UTC (-1.0, 98.6) 18 km 5.9 mww
58.996147 80.3 deg 176.405 deg Kermadec Islands Region 2022/03/20 18:10:43 UTC (-28.7, -177.4) 48 km 6.0 mww
58.802467 73.2 deg 177.885 deg Fiji Islands Region 2023/08/02 01:32:35 UTC (-21.6, -179.3) 632 km 5.8 mww
58.676975 87.1 deg 311.692 deg Southern Iran 2022/07/01 23:24:14 UTC (26.9, 55.2) 10 km 6.1 mb
58.312054 72.0 deg 177.04 deg Fiji Islands Region 2022/03/07 05:34:18 UTC (-20.4, -178.4) 582 km 6.1 mww
58.16614 41.4 deg 228.804 deg Mariana Islands 2022/07/08 16:55:16 UTC (18.8, 146.9) 20 km 5.8 Mi
57.637108 82.0 deg 177.524 deg Kermadec Islands, New Zealand 2022/02/17 21:50:46 UTC (-30.4, -178.6) 323 km 5.5 Mww
57.233044 72.3 deg 176.998 deg Fiji Islands Region 2021/07/17 03:23:47 UTC (-20.6, -178.4) 559 km 5.5 Mww
56.74138 67.5 deg 192.299 deg Vanuatu Islands 2022/07/14 17:50:28 UTC (-15.1, 166.8) 23 km 5.8 mww
56.697716 72.1 deg 231.994 deg Banda Sea 2023/05/24 15:49:34 UTC (-7.0, 129.5) 166 km 6.2 Mww
56.634502 81.9 deg 176.834 deg Kermadec Islands, New Zealand 2021/06/20 17:05:48 UTC (-30.2, -177.8) 10 km 6.5 mww
56.518856 65.0 deg 239.489 deg Northern Molucca Sea 2023/01/18 08:01:26 UTC (2.7, 127.1) 51 km 5.5 mb
56.3833 63.5 deg 243.068 deg Mindanao, Philippines 2021/08/27 10:22:26 UTC (5.7, 125.2) 39 km 5.6 Mww
55.182793 41.3 deg 228.634 deg Mariana Islands Region 2022/07/10 22:19:59 UTC (18.8, 147.0) 10 km 5.6 mww
55.08782 69.8 deg 176.726 deg Fiji Islands Region 2022/08/02 21:11:41 UTC (-18.1, -178.2) 521 km 5.6 Mww
54.264503 60.8 deg 208.611 deg New Ireland Region, P.N.G. 2021/11/18 14:08:05 UTC (-5.3, 153.7) 35 km 6.2 mww
53.249584 66.9 deg 191.298 deg Vanuatu Islands 2023/07/27 01:25:51 UTC (-14.6, 167.8) 10 km 5.5 Mww
53.23049 63.6 deg 215.214 deg Eastern New Guinea Reg., P.N.G. 2022/08/13 18:57:16 UTC (-6.0, 147.3) 52 km 5.9 mww
53.068897 65.2 deg 240.235 deg Northern Molucca Sea 2021/07/10 00:43:56 UTC (2.9, 126.5) 45 km 6.1 Mww
52.814026 86.7 deg 178.505 deg East Of North Island, N.Z. 2022/06/10 23:07:22 UTC (-35.1, -179.6) 10 km 5.6 mww
52.74017 71.9 deg 306.144 deg Hindu Kush Region, Afghanistan 2023/08/05 16:01:49 UTC (36.5, 70.7) 207 km 5.8 Mww
52.517822 69.0 deg 241.195 deg Minahassa Peninsula, Sulawesi 2022/06/07 13:24:13 UTC (0.1, 123.7) 132 km 5.6 mww
52.472996 85.4 deg 258.893 deg Southern Sumatra, Indonesia 2021/08/02 22:48:49 UTC (-3.2, 100.2) 10 km 5.8 mww
52.436375 73.0 deg 172.526 deg Tonga Islands 2021/09/20 18:34:48 UTC (-21.1, -173.8) 10 km 5.8 Mww
50.986004 81.4 deg 324.891 deg Turkey-Iran Border Region 2023/01/18 10:08:12 UTC (38.4, 44.9) 10 km 5.8 Mww
50.084583 62.8 deg 243.799 deg Mindanao, Philippines 2022/10/19 08:05:40 UTC (6.7, 125.1) 26 km 5.4 Mww
50.025898 73.5 deg 177.993 deg Fiji Islands Region 2021/07/02 20:14:38 UTC (-21.8, -179.4) 606 km 6.1 Mww
49.77044 90.0 deg 269.791 deg South Indian Ocean 2023/07/01 07:29:40 UTC (-0.1, 88.7) 10 km 5.8 mww
49.30326 70.0 deg 307.881 deg Afghanistan-Tajikistan Bord Reg. 2021/07/10 02:14:43 UTC (39.0, 70.6) 17 km 5.8 Mww
49.140945 75.0 deg 187.935 deg Southeast Of Loyalty Islands 2023/05/23 06:42:00 UTC (-23.0, 170.2) 18 km 5.9 mww
49.080708 68.1 deg 172.351 deg Tonga Islands 2022/02/22 10:44:09 UTC (-16.1, -174.1) 159 km 5.5 mb
48.918953 82.6 deg 263.788 deg Northern Sumatra, Indonesia 2023/01/15 22:29:58 UTC (2.0, 98.0) 37 km 6.2 Mww
48.8209 61.2 deg 216.64 deg Bismarck Sea 2021/07/19 15:22:32 UTC (-3.3, 147.0) 10 km 5.8 Mww
48.360596 68.2 deg 191.94 deg Vanuatu Islands 2022/08/14 03:11:50 UTC (-15.8, 167.1) 10 km 5.9 Mww
48.000572 85.9 deg 256.18 deg Southern Sumatra, Indonesia 2022/05/16 18:58:23 UTC (-5.3, 102.0) 15 km 5.8 Mww
47.642612 67.3 deg 171.122 deg Samoa Islands Region 2022/07/12 00:35:05 UTC (-15.3, -172.9) 10 km 5.5 mb
46.814114 86.6 deg 316.208 deg Southern Iran 2021/07/18 14:34:19 UTC (29.7, 51.1) 10 km 5.4 Mww
46.604397 31.4 deg 253.737 deg Near East Coast Of Honshu, Japan 2023/05/26 10:03:24 UTC (35.6, 140.7) 44 km 6.2 mww
46.472694 66.2 deg 239.546 deg Northern Molucca Sea 2022/05/19 15:29:12 UTC (1.7, 126.4) 3.8 km 5.1 Mww
45.267025 68.3 deg 171.162 deg Samoa Islands Region 2023/07/27 00:28:58 UTC (-16.3, -172.9) 10 km 5.5 Mww
43.87123 67.6 deg 177.631 deg Fiji Islands Region 2023/06/10 09:12:50 UTC (-16.0, -179.2) 10 km 5.8 mww
43.50574 77.8 deg 180.161 deg South Of Fiji Islands 2022/05/22 07:06:27 UTC (-26.2, 178.4) 590 km 6.3 mww
43.491432 84.7 deg 261.384 deg Southern Sumatra, Indonesia 2022/09/10 23:10:44 UTC (-1.1, 98.6) 20 km 6.0 Mww
43.319923 81.7 deg 176.564 deg Kermadec Islands, New Zealand 2021/10/04 06:34:14 UTC (-30.0, -177.5) 29 km 5.5 Mww
42.82617 62.8 deg 213.872 deg New Britain Region, P.N.G. 2022/09/02 22:39:51 UTC (-5.7, 148.7) 126 km 6.1 Mww
42.622593 42.0 deg 230.736 deg Mariana Islands 2021/06/21 01:44:11 UTC (18.9, 145.4) 227 km 5.5 mww
39.301743 64.2 deg 223.601 deg Irian Jaya, Indonesia 2021/08/28 12:27:23 UTC (-3.5, 140.1) 10 km 5.5 mww
35.420914 63.6 deg 199.278 deg Solomon Islands 2021/08/07 14:51:31 UTC (-10.1, 161.1) 61 km 5.3 Mww
33.998043 35.3 deg 252.539 deg Southeast Of Honshu, Japan 2021/09/13 22:46:06 UTC (32.4, 137.9) 376 km 5.9 Mww
33.498314 56.6 deg 86.82 deg Gulf Of California 2021/07/31 15:39:20 UTC (27.6, -111.5) 10 km 5.5 mww
32.96921 76.8 deg 178.998 deg South Of Fiji Islands 2021/10/21 08:10:43 UTC (-25.2, 179.6) 497 km 6.0 mww
30.182598 81.7 deg 176.755 deg Kermadec Islands, New Zealand 2022/03/02 12:52:07 UTC (-30.1, -177.7) 24 km 6.6 mww
26.46513 65.1 deg 216.09 deg Near S Coast Of New Guinea, P.N.G. 2022/02/01 14:05:02 UTC (-7.1, 146.0) 178 km 5.4 Mww
14.315961 67.9 deg 18.003 deg Reykjanes Ridge 2023/01/21 19:49:28 UTC (57.4, -33.4) 10 km 5.7 mww