Station AV S12K - Black Hills, AK, USA

Network: AV - Alaska Volcano Observatory

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
S12K Black Hills, AK, USA (55.70, -162.06) 2020-04-26 / 2499-01-01 411 m
Crust2 Type:C4,continental shelf, 3.5 km seds.
Thickness Estimate:35 km
Thickness StdDev:2.5 km
Vp/Vs Estimate:1.65
Vp/Vs StdDev:0.08
Vs Estimate:3.619 km/s
Poisson's Ratio:0.21
Peak Value:0.03
Assumed Vp:5.989 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.669
Nearby stations H:30 km +- 2.8 km
(2.0 deg) Vp/Vs:1.81 +- 0.08

3 with match > 90% ( 4.0540543 %) and 7 with match > 80% ( 9.459459 %) out of 74.

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 35 km 1.65 5.989 km/s 3.619 km/s 0.21
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 35 km 1.65 5.989 km/s 3.619 km/s 0.21 amp=0.028292062
Local Maxima 1 32 km 1.74 5.989 km/s 3.437 km/s 0.25 amp=0.018110024
Local Maxima 2 31 km 2.07 5.989 km/s 2.897 km/s 0.35 amp=0.012984652
Local Maxima 3 29 km 1.87 5.989 km/s 3.207 km/s 0.30 amp=0.0111466525
Local Maxima 4 70 km 1.96 5.989 km/s 3.052 km/s 0.32 amp=0.0074862908
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps3.83 SECOND
PpPs15.52 SECOND
PsPs/PpSs19.34 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

(7 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
93.75622 86.6 deg 193.615 deg Kermadec Islands, New Zealand 2021/06/20 17:05:48 UTC (-30.2, -177.8) 10 km 6.5 mww
92.502335 63.1 deg 273.184 deg Taiwan 2024/04/02 23:58:11 UTC (23.8, 121.6) 35 km 7.4 mww
90.53775 72.6 deg 259.403 deg Mindanao, Philippines 2023/12/02 14:37:03 UTC (8.5, 126.4) 33 km 7.6 mww
88.455605 74.4 deg 234.296 deg Eastern New Guinea Reg., P.N.G. 2023/10/07 08:34:26 UTC (-5.6, 146.1) 53 km 6.7 mww
87.09873 75.0 deg 210.891 deg Vanuatu Islands 2021/08/18 10:10:05 UTC (-14.9, 167.1) 91 km 6.8 mww
85.40589 90.7 deg 259.104 deg Bali Sea 2023/08/28 19:55:31 UTC (-6.8, 116.5) 514 km 7.1 Mww
84.215416 62.8 deg 273.264 deg Taiwan 2024/04/03 00:11:25 UTC (24.1, 121.7) 13 km 6.4 Mww

Losers

(67 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
88.38396 72.1 deg 259.213 deg Mindanao, Philippines 2023/12/03 10:58:38 UTC (8.8, 126.9) 44 km 5.5 mb
78.78824 78.4 deg 94.918 deg South Of Panama 2021/07/17 20:56:10 UTC (6.8, -82.7) 4.1 km 6.1 mww
78.56035 71.6 deg 267.331 deg Mindoro, Philippines 2021/07/23 20:48:57 UTC (13.7, 120.7) 110 km 6.7 mww
76.2839 74.3 deg 234.307 deg Eastern New Guinea Reg., P.N.G. 2023/10/07 08:40:13 UTC (-5.5, 146.2) 74 km 6.7 Mww
76.059746 30.2 deg 271.284 deg Kuril Islands 2021/07/13 00:30:16 UTC (46.2, 151.7) 33 km 5.6 Mww
75.244064 75.8 deg 258.92 deg Mindanao, Philippines 2023/11/17 08:14:11 UTC (5.6, 125.0) 64 km 6.7 Mww
74.73616 74.6 deg 237.85 deg New Guinea, Papua New Guinea 2024/03/23 20:22:07 UTC (-4.1, 143.0) 64 km 7.0 Mi
73.60301 75.1 deg 256.312 deg Talaud Islands, Indonesia 2023/09/26 01:39:44 UTC (4.7, 127.5) 100 km 5.9 mww
73.40089 74.2 deg 192.766 deg Tonga Islands 2022/06/04 13:07:25 UTC (-18.0, -175.0) 237 km 6.3 mww
73.28283 55.6 deg 245.247 deg Mariana Islands 2024/04/02 09:54:09 UTC (15.8, 146.9) 10 km 6.2 mww
72.98256 82.8 deg 257.977 deg Minahassa Peninsula, Sulawesi 2021/07/26 12:09:06 UTC (-0.7, 121.9) 11 km 6.2 mww
72.75162 72.0 deg 234.624 deg Bismarck Sea 2021/07/19 15:22:32 UTC (-3.3, 147.0) 10 km 5.8 Mww
72.114555 73.9 deg 81.049 deg Haiti Region 2021/08/15 03:20:45 UTC (18.4, -74.1) 12 km 5.8 mww
72.052055 79.0 deg 192.775 deg Tonga Islands Region 2023/12/24 02:22:17 UTC (-22.7, -175.7) 49 km 5.3 Mww
70.74571 82.5 deg 324.638 deg Northwestern Afghanistan 2023/10/07 07:40:29 UTC (34.6, 62.0) 7.7 km 5.9 mww
69.29793 90.4 deg 331.964 deg Southern Iran 2021/04/18 06:41:50 UTC (29.8, 50.7) 10 km 5.8 mww
69.20593 63.0 deg 273.24 deg Taiwan 2021/04/18 14:14:36 UTC (23.9, 121.5) 10 km 5.8 mww
69.07567 89.2 deg 99.809 deg Peru-Ecuador Border Region 2021/07/30 17:10:19 UTC (-4.9, -80.6) 33 km 6.2 Mww
68.14917 83.3 deg 248.251 deg Banda Sea 2023/11/08 04:52:52 UTC (-6.5, 129.8) 10 km 6.9 Mi
67.65689 77.3 deg 195.654 deg Fiji Islands Region 2021/07/17 03:23:47 UTC (-20.6, -178.4) 559 km 5.5 Mww
66.94395 67.0 deg 270.22 deg Philippine Islands Region 2022/06/30 18:40:38 UTC (19.1, 121.3) 36 km 5.9 Mww
66.004585 79.9 deg 207.213 deg Vanuatu Islands 2023/12/07 12:56:30 UTC (-20.7, 169.2) 48 km 7.1 Mww
65.80535 62.7 deg 273.264 deg Taiwan 2024/04/03 00:46:44 UTC (24.1, 121.7) 10 km 5.7 mb
65.80445 75.4 deg 257.896 deg Mindanao, Philippines 2023/10/04 11:21:48 UTC (5.3, 126.1) 122 km 6.4 mww
65.16006 66.8 deg 270.425 deg Philippine Islands Region 2023/09/12 11:03:18 UTC (19.3, 121.2) 41 km 6.3 Mww
65.0193 89.2 deg 287.068 deg Andaman Islands, India Region 2022/07/04 09:07:04 UTC (10.3, 94.2) 10 km 5.6 mb
64.6302 82.5 deg 324.585 deg Northwestern Afghanistan 2023/10/11 00:41:56 UTC (34.6, 62.1) 10 km 6.3 Mww
64.18488 39.5 deg 270.88 deg Near East Coast Of Honshu, Japan 2020/12/12 07:18:55 UTC (40.1, 142.0) 60 km 5.5 Mww
63.966675 81.7 deg 204.222 deg Southeast Of Loyalty Islands 2021/02/17 22:49:38 UTC (-23.2, 171.8) 13 km 6.1 Mww
63.782227 82.4 deg 248.572 deg Banda Sea 2023/08/29 04:34:42 UTC (-5.6, 130.0) 203 km 5.9 mww
63.770203 72.3 deg 259.052 deg Mindanao, Philippines 2023/12/03 10:54:56 UTC (8.5, 126.9) 46 km 5.6 Mww
63.197464 86.5 deg 193.465 deg Kermadec Islands, New Zealand 2021/06/20 17:24:34 UTC (-30.1, -177.6) 10 km 5.5 Mww
63.142094 86.0 deg 192.699 deg Kermadec Islands Region 2021/07/25 10:17:00 UTC (-29.8, -176.7) 10 km 5.8 mww
62.194332 35.7 deg 278.027 deg Hokkaido, Japan Region 2022/07/02 01:59:45 UTC (45.9, 142.1) 322 km 5.8 mww
61.684616 53.8 deg 248.714 deg Mariana Islands 2021/06/21 01:44:11 UTC (18.9, 145.4) 227 km 5.5 mww
61.606033 86.7 deg 193.287 deg Kermadec Islands, New Zealand 2021/06/21 11:14:12 UTC (-30.3, -177.5) 27 km 6.0 mww
60.986057 72.5 deg 259.057 deg Mindanao, Philippines 2023/12/02 16:03:43 UTC (8.4, 126.8) 64 km 6.4 Mww
60.89064 79.6 deg 193.911 deg South Of Fiji Islands 2021/08/17 17:24:47 UTC (-23.2, -177.0) 139 km 5.8 Mww
60.85495 71.4 deg 191.716 deg Tonga Islands 2020/11/07 09:27:04 UTC (-15.3, -173.6) 29 km 6.1 Mww
60.62038 71.2 deg 228.266 deg New Britain Region, P.N.G. 2023/09/28 19:21:17 UTC (-5.3, 152.8) 49 km 5.7 Mww
60.22399 86.3 deg 259.684 deg Sulawesi, Indonesia 2022/06/08 05:32:37 UTC (-2.8, 118.5) 24 km 5.8 mww
60.18843 90.3 deg 331.557 deg Southern Iran 2021/07/18 14:34:19 UTC (29.7, 51.1) 10 km 5.4 Mww
58.750248 81.1 deg 257.015 deg Minahassa Peninsula, Sulawesi 2022/06/07 13:24:13 UTC (0.1, 123.7) 132 km 5.6 mww
56.67702 74.8 deg 204.695 deg Fiji Islands Region 2021/06/19 11:59:05 UTC (-16.4, 173.1) 10 km 5.8 mww
56.607998 82.6 deg 71.444 deg Leeward Islands 2021/03/26 04:51:39 UTC (16.7, -60.8) 26 km 5.8 mww
55.773296 52.7 deg 249.404 deg Mariana Islands 2023/11/25 15:10:53 UTC (20.1, 145.6) 10 km 5.5 Mww
55.62871 74.4 deg 196.791 deg Fiji Islands Region 2023/10/31 11:10:56 UTC (-17.5, -179.0) 548 km 6.4 mww
55.071365 72.5 deg 211.755 deg Santa Cruz Islands 2022/05/28 14:11:12 UTC (-12.2, 167.1) 214 km 5.6 Mww
55.0343 90.6 deg 258.412 deg Bali Sea 2023/08/28 20:08:06 UTC (-7.0, 117.2) 477 km 5.6 mb
54.8618 53.8 deg 248.802 deg Mariana Islands 2023/11/19 04:01:36 UTC (18.8, 145.3) 598 km 5.9 mww
54.434315 53.7 deg 106.369 deg Off Coast Of Central Mexico 2021/07/04 02:45:01 UTC (21.2, -106.1) 46 km 5.6 Mww
54.33691 77.2 deg 256.165 deg Northern Molucca Sea 2021/07/10 00:43:56 UTC (2.9, 126.5) 45 km 6.1 Mww
54.21464 47.8 deg 262.162 deg Southeast Of Honshu, Japan 2023/10/04 02:19:06 UTC (30.0, 140.2) 8.0 km 5.6 mww
53.403393 75.0 deg 193.171 deg Tonga Islands 2023/12/11 06:33:31 UTC (-18.7, -175.5) 238 km 6.1 Mww
53.241177 71.3 deg 228.959 deg New Britain Region, P.N.G. 2021/07/19 23:02:08 UTC (-5.0, 152.1) 28 km 5.4 mww
52.66335 63.1 deg 273.165 deg Taiwan 2021/04/18 14:11:38 UTC (23.8, 121.6) 10 km 5.9 mb
52.467968 81.1 deg 256.939 deg Minahassa Peninsula, Sulawesi 2021/07/09 13:31:09 UTC (0.1, 123.7) 118 km 5.6 mww
52.09988 75.9 deg 258.349 deg Mindanao, Philippines 2020/12/15 23:21:59 UTC (5.2, 125.4) 27 km 6.1 mww
51.329773 84.8 deg 55.233 deg Northern Mid-Atlantic Ridge 2022/05/28 14:19:05 UTC (23.4, -45.0) 10 km 5.7 mww
51.026985 72.5 deg 213.961 deg Santa Cruz Islands Region 2020/11/08 00:39:03 UTC (-11.6, 165.0) 13 km 5.3 Mww
49.794273 75.4 deg 210.084 deg Vanuatu Islands 2023/09/28 14:40:26 UTC (-15.6, 167.7) 126 km 6.0 mww
49.268192 75.2 deg 190.083 deg Tonga Islands Region 2020/10/21 00:22:33 UTC (-19.3, -172.4) 10 km 5.9 mww
49.006996 86.3 deg 193.404 deg Kermadec Islands, New Zealand 2023/10/23 10:10:15 UTC (-29.9, -177.5) 23 km 6.0 Mww
47.069458 71.4 deg 194.984 deg Fiji Islands Region 2021/02/18 15:30:50 UTC (-14.9, -176.7) 10 km 6.1 mww
45.252636 53.8 deg 247.729 deg Mariana Islands 2022/06/08 00:58:00 UTC (18.4, 146.1) 138 km 5.4 Mww
44.635983 74.7 deg 196.198 deg Fiji Islands Region 2020/10/06 10:11:46 UTC (-18.0, -178.5) 629 km 6.0 Mww
44.290546 81.4 deg 257.292 deg Minahassa Peninsula, Sulawesi 2021/07/19 00:55:43 UTC (-0.0, 123.2) 159 km 5.2 Mww