Station AK C18K - Utukok River, AK, USA

Network: AK - Alaska Regional Network

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
C18K Utukok River, AK, USA (68.65, -161.19) 2020-09-23 / 2499-01-01 845 m
Crust2 Type:M6,extended crust, 6 km seds.
Thickness Estimate:31 km
Thickness StdDev:1.6 km
Vp/Vs Estimate:2.02
Vp/Vs StdDev:0.05
Vs Estimate:2.924 km/s
Poisson's Ratio:0.34
Peak Value:0.02
Assumed Vp:5.906 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.619
Nearby stations H:30 km +- 0.7 km
(2.0 deg) Vp/Vs:2.05 +- 0.02

6 with match > 90% ( 4.958678 %) and 27 with match > 80% ( 22.314049 %) 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 31 km 2.02 5.906 km/s 2.924 km/s 0.34
Crust2.0 31 km 1.77 5.906 km/s 3.335 km/s 0.27 M6,extended crust, 6 km seds.
Global Maxima 31 km 2.02 5.906 km/s 2.924 km/s 0.34 amp=0.022418099
Local Maxima 1 34 km 1.91 5.906 km/s 3.096 km/s 0.31 amp=0.01580384
Local Maxima 2 38 km 1.69 5.906 km/s 3.49 km/s 0.23 amp=0.011688093
Local Maxima 3 35 km 1.70 5.906 km/s 3.469 km/s 0.24 amp=0.0061375718
Local Maxima 4 50 km 1.94 5.906 km/s 3.041 km/s 0.32 amp=0.005039967
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps5.35 SECOND
PpPs15.85 SECOND
PsPs/PpSs21.20 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

(27 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
94.883354 86.1 deg 209.854 deg Vanuatu Islands 2023/07/26 12:44:35 UTC (-14.8, 167.9) 13 km 6.4 mww
93.109215 42.9 deg 255.653 deg Near East Coast Of Honshu, Japan 2021/03/20 09:09:45 UTC (38.5, 141.6) 54 km 7.0 Mww
93.049 85.4 deg 210.747 deg Vanuatu Islands 2023/08/16 12:47:40 UTC (-13.9, 167.2) 193 km 6.5 Mww
91.41944 78.6 deg 254.277 deg Philippine Islands Region 2021/01/21 12:23:05 UTC (5.0, 127.5) 96 km 7.0 mww
90.365395 61.9 deg 293.212 deg Qinghai, China 2021/05/21 18:04:13 UTC (34.6, 98.2) 10 km 7.3 Mww
90.073296 94.3 deg 281.388 deg Off W Coast Of Northern Sumatra 2021/05/14 06:33:07 UTC (0.1, 96.6) 11 km 6.7 mww
89.85381 73.6 deg 353.424 deg Dodecanese Islands, Greece 2020/10/30 11:51:27 UTC (37.9, 26.8) 21 km 7.0 mww
89.79237 43.2 deg 255.207 deg Near East Coast Of Honshu, Japan 2021/05/01 01:27:30 UTC (38.1, 141.8) 56 km 6.6 Mi
88.70801 43.5 deg 254.739 deg Near East Coast Of Honshu, Japan 2021/02/13 14:07:49 UTC (37.7, 142.0) 54 km 7.0 mww
87.26539 83.4 deg 253.729 deg Northern Molucca Sea 2021/06/03 10:09:55 UTC (0.3, 126.3) 9.9 km 6.1 Mww
86.37076 38.8 deg 255.201 deg Hokkaido, Japan Region 2021/05/16 03:23:54 UTC (42.0, 144.5) 17 km 5.7 mww
85.65755 85.8 deg 287.956 deg Andaman Islands, India Region 2023/07/28 19:23:48 UTC (10.5, 93.5) 102 km 5.9 mww
85.26169 43.5 deg 254.974 deg Near East Coast Of Honshu, Japan 2021/05/13 23:58:14 UTC (37.7, 141.8) 32 km 6.0 mww
85.24114 71.0 deg 294.94 deg Northeastern India 2021/04/28 02:21:25 UTC (26.8, 92.4) 29 km 6.0 mww
85.240974 79.1 deg 332.136 deg Southern Iran 2021/04/18 06:41:50 UTC (29.8, 50.7) 10 km 5.8 mww
85.130806 84.0 deg 195.103 deg Fiji Islands Region 2021/02/18 15:30:50 UTC (-14.9, -176.7) 10 km 6.1 mww
85.05332 71.9 deg 357.267 deg Greece 2021/03/03 10:16:10 UTC (39.8, 22.2) 10 km 6.3 Mww
84.62968 32.1 deg 127.069 deg Off Coast Of Oregon 2021/06/04 07:52:43 UTC (42.3, -126.3) 17 km 5.9 Mww
83.99466 40.5 deg 256.323 deg Near East Coast Of Honshu, Japan 2020/12/20 17:23:19 UTC (40.8, 142.5) 10 km 6.2 mww
83.45556 88.0 deg 194.23 deg Fiji Islands Region 2021/04/24 00:23:36 UTC (-18.9, -176.2) 289 km 6.4 Mww
83.42366 89.1 deg 209.705 deg Vanuatu Islands 2021/02/16 00:49:26 UTC (-17.8, 167.5) 10 km 6.2 Mww
83.28239 34.7 deg 264.243 deg Primor'ye, Russia 2020/11/30 22:54:34 UTC (48.3, 140.8) 587 km 6.4 mww
83.041985 79.1 deg 256.32 deg Mindanao, Philippines 2020/12/15 23:21:59 UTC (5.2, 125.4) 27 km 6.1 mww
82.572014 84.3 deg 254.812 deg Southern Molucca Sea 2023/08/04 11:48:37 UTC (-0.2, 125.0) 25 km 5.6 mww
81.27927 80.6 deg 234.001 deg Near N Coast Of New Guinea, P.N.G. 2021/04/10 11:38:32 UTC (-3.5, 145.7) 10 km 6.0 mww
80.921326 88.0 deg 195.422 deg Fiji Islands Region 2021/05/07 23:35:14 UTC (-18.8, -177.5) 384 km 6.1 Mww
80.26784 63.4 deg 267.413 deg Taiwan 2021/04/18 14:14:36 UTC (23.9, 121.5) 10 km 5.8 mww

Losers

(94 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
95.75532 88.9 deg 209.522 deg Vanuatu Islands 2021/02/16 01:22:19 UTC (-17.6, 167.7) 10 km 5.5 mb
90.73955 83.9 deg 191.47 deg Tonga Islands 2023/08/08 18:38:56 UTC (-15.0, -173.0) 120 km 6.2 Mi
88.12078 71.9 deg 357.301 deg Greece 2021/03/04 18:38:19 UTC (39.7, 22.1) 10 km 5.6 mb
87.744995 97.5 deg 193.304 deg Kermadec Islands Region 2021/03/04 23:34:53 UTC (-28.5, -176.2) 10 km 5.5 mb
77.85989 60.0 deg 265.098 deg Northeast Of Taiwan 2021/03/26 22:02:15 UTC (26.1, 125.1) 147 km 5.9 mww
77.798134 78.3 deg 74.292 deg Leeward Islands 2021/03/26 04:51:39 UTC (16.7, -60.8) 26 km 5.8 mww
77.38682 64.1 deg 237.562 deg South Of Mariana Islands 2023/08/14 13:51:54 UTC (13.4, 147.5) 10 km 6.1 mww
77.3154 85.9 deg 249.377 deg Seram, Indonesia 2021/06/16 04:43:07 UTC (-3.6, 129.5) 5.7 km 5.9 Mww
76.662285 80.4 deg 256.653 deg Celebes Sea 2021/04/10 09:30:44 UTC (4.1, 124.7) 311 km 6.1 mww
76.07383 90.8 deg 194.735 deg Fiji Islands Region 2021/04/25 22:28:00 UTC (-21.7, -177.1) 234 km 6.4 Mww
75.7035 30.2 deg 128.24 deg Off Coast Of Oregon 2021/04/29 10:30:23 UTC (43.8, -128.1) 10 km 5.5 Mww
75.57393 46.3 deg 300.795 deg Russia-Mongolia Border Region 2021/05/03 08:46:39 UTC (51.3, 100.4) 17 km 5.6 Mww
75.396355 84.3 deg 255.561 deg Minahassa Peninsula, Sulawesi 2021/06/11 02:23:43 UTC (0.0, 124.3) 64 km 5.5 Mww
75.35327 68.4 deg 316.968 deg Hindu Kush Region, Afghanistan 2023/08/05 16:01:49 UTC (36.5, 70.7) 207 km 5.8 Mww
75.31704 72.9 deg 264.081 deg Mindoro, Philippines 2020/12/24 23:43:42 UTC (13.8, 120.6) 114 km 6.3 Mww
74.029495 80.6 deg 228.111 deg New Britain Region, P.N.G. 2021/06/08 10:56:38 UTC (-5.2, 151.3) 139 km 5.7 Mww
73.714935 71.8 deg 357.387 deg Greece 2021/03/12 12:57:51 UTC (39.9, 22.0) 10 km 5.6 Mww
72.06102 60.8 deg 265.965 deg Northeast Of Taiwan 2021/05/03 05:07:29 UTC (25.7, 124.0) 189 km 5.5 Mww
72.01983 98.1 deg 193.93 deg Kermadec Islands Region 2021/04/29 06:53:52 UTC (-29.1, -177.0) 10 km 5.5 mb
71.99815 75.6 deg 256.799 deg Mindanao, Philippines 2020/11/15 22:37:45 UTC (8.7, 126.3) 59 km 5.9 mww
71.79744 66.2 deg 296.596 deg Xizang 2021/03/19 06:11:27 UTC (31.9, 92.9) 10 km 5.7 Mww
70.48262 94.3 deg 281.5 deg Off W Coast Of Northern Sumatra 2021/04/19 23:58:22 UTC (0.2, 96.5) 10 km 6.0 mww
70.27735 96.7 deg 193.456 deg Kermadec Islands Region 2021/06/06 23:16:39 UTC (-27.7, -176.3) 10 km 5.8 mww
70.16637 75.3 deg 248.869 deg W. Caroline Islands, Micronesia 2020/12/23 18:11:47 UTC (6.3, 133.6) 10 km 5.9 mww
69.95164 89.3 deg 195.46 deg Fiji Islands Region 2021/03/10 20:12:37 UTC (-20.1, -177.7) 488 km 5.8 Mww
69.76871 78.4 deg 225.899 deg New Ireland Region, P.N.G. 2021/04/07 05:13:16 UTC (-3.6, 154.0) 448 km 5.6 mww
69.301476 93.6 deg 204.955 deg Southeast Of Loyalty Islands 2021/02/10 13:19:55 UTC (-23.1, 171.6) 10 km 7.7 mww
69.28913 86.8 deg 204.641 deg Fiji Islands Region 2021/06/19 11:59:05 UTC (-16.4, 173.1) 10 km 5.8 mww
69.17107 97.2 deg 193.612 deg Kermadec Islands Region 2021/03/13 21:21:57 UTC (-28.1, -176.5) 10 km 5.9 Mww
69.02887 66.1 deg 315.198 deg Tajikistan-Xinjiang Border Reg. 2021/02/12 17:01:34 UTC (38.1, 73.6) 92 km 5.9 Mww
68.83867 93.2 deg 205.392 deg Southeast Of Loyalty Islands 2021/02/11 20:05:53 UTC (-22.6, 171.2) 10 km 5.2 Mww
68.43777 89.1 deg 259.494 deg Sulawesi, Indonesia 2021/01/14 18:28:18 UTC (-3.0, 118.9) 18 km 6.2 mww
68.00474 85.2 deg 195.673 deg Fiji Islands Region 2021/05/13 13:31:35 UTC (-15.9, -177.4) 424 km 5.7 Mww
67.60549 71.9 deg 357.323 deg Greece 2021/03/03 18:24:08 UTC (39.7, 22.1) 10 km 5.1 Mww
67.19552 44.3 deg 252.822 deg Off East Coast Of Honshu, Japan 2021/06/08 15:29:01 UTC (36.4, 143.1) 10 km 5.3 Mww
67.11018 42.9 deg 255.266 deg Near East Coast Of Honshu, Japan 2021/04/18 00:29:12 UTC (38.4, 141.9) 52 km 5.6 mww
66.44084 70.8 deg 102.927 deg Near Coast Of Guatemala 2021/05/12 08:45:48 UTC (13.3, -90.2) 46 km 5.9 mww
66.168205 68.3 deg 316.965 deg Hindu Kush Region, Afghanistan 2021/01/16 20:02:45 UTC (36.5, 70.7) 192 km 5.5 Mww
65.8921 76.5 deg 100.023 deg Off Coast Of Costa Rica 2021/06/10 23:27:02 UTC (9.0, -85.4) 10 km 5.7 Mww
65.8772 86.1 deg 191.094 deg Tonga Islands Region 2021/06/17 13:41:03 UTC (-17.2, -172.8) 10 km 5.5 mww
65.76792 93.7 deg 204.789 deg Southeast Of Loyalty Islands 2021/02/17 22:49:38 UTC (-23.2, 171.8) 13 km 6.1 Mww
65.760445 73.3 deg 345.843 deg Turkey 2023/07/25 05:44:50 UTC (37.6, 36.0) 10 km 5.5 mww
65.301125 63.4 deg 267.352 deg Taiwan 2021/04/18 14:11:38 UTC (23.8, 121.6) 10 km 5.9 mb
65.031586 43.0 deg 255.283 deg Near East Coast Of Honshu, Japan 2021/04/18 00:29:25 UTC (38.3, 141.8) 31 km 5.6 mb
64.550735 62.4 deg 267.368 deg Taiwan Region 2020/12/10 13:19:58 UTC (24.8, 122.0) 73 km 6.1 mww
64.47446 95.2 deg 277.742 deg Southern Sumatra, Indonesia 2021/05/05 01:24:35 UTC (-2.0, 99.7) 23 km 5.7 mww
64.38161 38.9 deg 261.082 deg Eastern Sea Of Japan 2021/01/12 02:39:42 UTC (43.7, 140.0) 211 km 5.9 mww
64.14953 69.2 deg 2.184 deg Adriatic Sea 2021/03/27 13:47:55 UTC (42.4, 16.0) 10 km 5.5 mww
63.592537 88.1 deg 190.57 deg Tonga Islands Region 2020/10/21 00:22:33 UTC (-19.3, -172.4) 10 km 5.9 mww
63.45489 35.9 deg 253.123 deg Kuril Islands 2021/03/02 21:22:45 UTC (44.0, 147.9) 28 km 5.8 mww
63.00047 47.7 deg 253.997 deg Southeast Of Honshu, Japan 2021/03/28 00:26:56 UTC (33.6, 140.3) 48 km 5.7 mww
62.626354 96.5 deg 263.631 deg Java, Indonesia 2021/05/21 12:09:22 UTC (-8.4, 112.4) 108 km 5.7 Mww
62.595997 62.6 deg 37.147 deg Northern Mid-Atlantic Ridge 2021/03/28 23:01:46 UTC (43.6, -28.8) 10 km 5.8 Mww
62.221058 59.4 deg 34.744 deg Northern Mid-Atlantic Ridge 2021/03/20 01:49:18 UTC (47.3, -27.3) 10 km 5.8 Mww
62.181736 70.6 deg 328.693 deg Northern And Central Iran 2021/05/16 23:04:56 UTC (37.3, 56.8) 10 km 5.3 Mww
61.955452 61.2 deg 241.033 deg Mariana Islands 2023/07/25 10:35:18 UTC (17.1, 145.5) 373 km 5.6 mww
61.313183 84.2 deg 191.992 deg Tonga Islands 2020/11/07 09:27:04 UTC (-15.3, -173.6) 29 km 6.1 Mww
61.03251 30.1 deg 128.094 deg Off Coast Of Oregon 2021/04/29 10:58:35 UTC (43.9, -128.0) 10 km 5.3 Mww
60.94727 73.1 deg 263.795 deg Mindoro, Philippines 2021/05/12 01:09:27 UTC (13.6, 120.8) 113 km 5.8 mww
60.295063 47.3 deg 251.317 deg Off East Coast Of Honshu, Japan 2021/05/31 22:04:42 UTC (33.2, 142.7) 10 km 5.2 Mww
59.14382 31.0 deg 127.053 deg Off Coast Of Oregon 2020/12/29 07:10:29 UTC (43.4, -126.9) 10 km 5.7 mww
59.129997 91.2 deg 196.82 deg Fiji Islands Region 2021/04/01 15:11:18 UTC (-21.9, -179.3) 598 km 6.0 mww
59.04508 65.6 deg 302.017 deg Xizang 2021/03/29 17:27:23 UTC (34.4, 87.7) 10 km 5.6 mww
58.248413 81.2 deg 223.24 deg Solomon Islands 2021/01/06 16:52:17 UTC (-7.0, 155.8) 48 km 5.8 Mww
58.18816 95.4 deg 277.546 deg Southern Sumatra, Indonesia 2021/05/02 17:46:41 UTC (-2.3, 99.8) 21 km 5.5 mww
57.701378 60.1 deg 298.695 deg Qinghai, China 2021/06/16 08:48:58 UTC (38.2, 93.7) 10 km 5.4 Mww
57.318916 86.5 deg 193.042 deg Tonga Islands 2020/12/10 20:48:56 UTC (-17.6, -174.9) 10 km 5.9 mb
57.241173 90.2 deg 209.086 deg Vanuatu Islands Region 2021/02/18 06:37:30 UTC (-19.0, 167.9) 10 km 6.2 mww
57.135735 84.1 deg 240.648 deg Irian Jaya, Indonesia 2021/03/12 01:16:16 UTC (-4.7, 138.4) 10 km 5.4 Mww
56.342663 88.5 deg 249.721 deg Banda Sea 2021/06/24 02:24:55 UTC (-6.0, 128.3) 337 km 5.7 Mww
56.162674 86.0 deg 200.072 deg Fiji Islands 2021/02/02 20:49:28 UTC (-16.2, 177.9) 10 km 5.8 Mww
56.05527 66.9 deg 105.059 deg Chiapas, Mexico 2023/08/09 09:33:26 UTC (16.2, -93.6) 111 km 5.8 mww
55.661575 93.1 deg 204.877 deg Southeast Of Loyalty Islands 2021/03/06 18:47:12 UTC (-22.6, 171.8) 29 km 5.1 Mww
55.42775 44.6 deg 24.537 deg Iceland Region 2021/02/24 10:05:59 UTC (63.9, -22.4) 10 km 5.6 Mww
55.27706 43.8 deg 255.263 deg Near East Coast Of Honshu, Japan 2021/02/15 12:26:18 UTC (37.5, 141.4) 40 km 5.3 Mww
54.77124 85.9 deg 210.507 deg Vanuatu Islands 2021/03/04 16:53:11 UTC (-14.4, 167.3) 172 km 6.1 Mww
54.579674 88.5 deg 60.797 deg Northern Mid-Atlantic Ridge 2021/06/26 18:01:22 UTC (11.8, -44.2) 5.7 km 5.6 mww
54.51411 86.5 deg 193.004 deg Tonga Islands 2021/05/25 21:36:44 UTC (-17.6, -174.8) 200 km 5.7 mww
54.394592 97.5 deg 194.666 deg Kermadec Islands Region 2021/03/06 10:34:47 UTC (-28.4, -177.7) 10 km 5.7 mb
54.261208 85.1 deg 195.587 deg Fiji Islands Region 2021/06/06 18:24:28 UTC (-15.9, -177.3) 422 km 5.6 mww
53.410656 44.8 deg 254.995 deg Near East Coast Of Honshu, Japan 2020/11/22 10:05:54 UTC (36.6, 141.1) 35 km 5.5 Mww
52.449856 43.8 deg 255.056 deg Near East Coast Of Honshu, Japan 2021/02/15 12:26:04 UTC (37.5, 141.6) 36 km 5.3 Mww
52.3075 78.1 deg 97.993 deg Panama-Costa Rica Border Region 2021/01/29 12:41:39 UTC (8.2, -83.0) 10 km 5.6 Mww
51.1422 84.2 deg 191.783 deg Tonga Islands 2020/10/25 11:47:37 UTC (-15.3, -173.3) 44 km 6.1 Mi
50.714252 73.2 deg 357.373 deg Greece 2021/02/17 03:36:07 UTC (38.4, 22.0) 10 km 5.5 mww
48.693405 61.7 deg 292.435 deg Qinghai, China 2021/05/21 18:13:01 UTC (34.5, 99.1) 10 km 5.5 mb
48.412193 79.2 deg 252.842 deg North Of Halmahera, Indonesia 2021/05/12 18:20:29 UTC (3.9, 128.6) 60 km 5.5 mww
48.334614 44.5 deg 24.34 deg Iceland 2020/10/20 13:43:17 UTC (64.0, -22.1) 10 km 5.6 mww
47.92067 93.3 deg 204.932 deg Southeast Of Loyalty Islands 2021/06/23 05:39:39 UTC (-22.8, 171.7) 10 km 5.5 mb
47.0414 83.7 deg 222.814 deg D'Entrecasteaux Islands Region 2021/03/18 23:39:41 UTC (-9.6, 155.6) 5.0 km 5.5 Mww
47.004513 65.1 deg 240.934 deg Mariana Islands 2023/08/09 09:20:31 UTC (13.4, 144.3) 494 km 5.7 Mi
46.54669 96.2 deg 276.731 deg Southern Sumatra, Indonesia 2020/10/19 07:31:28 UTC (-3.4, 100.3) 10 km 5.6 Mww
37.33735 69.6 deg 104.517 deg Off Coast Of Chiapas, Mexico 2021/01/15 16:10:51 UTC (13.9, -92.1) 10 km 5.9 mww
36.821655 91.6 deg 206.929 deg Vanuatu Islands 2021/01/08 05:01:04 UTC (-20.7, 169.9) 118 km 6.1 Mww