Station AV BRPK - Brown Peak, Shishaldin Volcano, Alaska

Network: AV - Alaska Volcano Observatory

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
BRPK Brown Peak, Shishaldin Volcano, Alaska (54.64, -163.74) 1997-07-27 / 2499-01-01 402 m
Crust2 Type:C4,continental shelf, 3.5 km seds.
Thickness Estimate:34 km
Thickness StdDev:9.5 km
Vp/Vs Estimate:1.96
Vp/Vs StdDev:0.11
Vs Estimate:3.063 km/s
Poisson's Ratio:0.32
Peak Value:0.04
Assumed Vp:5.989 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.514
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

1 with match > 90% ( 2.7027028 %) and 8 with match > 80% ( 21.621622 %) out of 37.

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Azimuth Distribution of Events:

Prior Results for this Station

Study Thickness Vp/Vs Vp Vs Poissons Ratio Extra
EARS 34 km 1.96 5.989 km/s 3.063 km/s 0.32
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 34 km 1.96 5.989 km/s 3.063 km/s 0.32 amp=0.039433777
Local Maxima 1 38 km 1.74 5.989 km/s 3.437 km/s 0.25 amp=0.018053824
Local Maxima 2 36 km 1.98 5.989 km/s 3.025 km/s 0.33 amp=0.015157422
Local Maxima 3 63 km 1.84 5.989 km/s 3.251 km/s 0.29 amp=0.01278597
Local Maxima 4 62 km 1.71 5.989 km/s 3.513 km/s 0.24 amp=0.01096362
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps5.50 SECOND
PpPs17.02 SECOND
PsPs/PpSs22.52 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

(8 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
91.22458 71.4 deg 258.303 deg Mindanao, Philippines 2023/12/02 14:37:03 UTC (8.5, 126.4) 33 km 7.6 mww
87.93404 72.9 deg 233.013 deg Eastern New Guinea Reg., P.N.G. 2023/10/07 08:40:13 UTC (-5.5, 146.2) 74 km 6.7 Mww
84.49757 62.1 deg 272.38 deg Taiwan 2024/04/02 23:58:11 UTC (23.8, 121.6) 35 km 7.4 mww
84.24978 73.2 deg 236.579 deg New Guinea, Papua New Guinea 2024/03/23 20:22:07 UTC (-4.1, 143.0) 64 km 7.0 Mi
81.84304 73.0 deg 233.001 deg Eastern New Guinea Reg., P.N.G. 2023/10/07 08:34:26 UTC (-5.6, 146.1) 53 km 6.7 mww
81.78381 54.2 deg 244.254 deg Mariana Islands 2024/04/02 09:54:09 UTC (15.8, 146.9) 10 km 6.2 mww
81.14458 71.0 deg 258.416 deg Mindanao, Philippines 2023/12/03 19:49:36 UTC (9.0, 126.6) 29 km 6.9 Mww
80.25678 71.0 deg 228.262 deg New Britain Region, P.N.G. 2024/04/14 20:56:28 UTC (-5.8, 151.1) 49 km 6.5 mww

Losers

(29 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
91.47463 71.0 deg 258.119 deg Mindanao, Philippines 2023/12/03 10:58:38 UTC (8.8, 126.9) 44 km 5.5 mb
74.717064 51.4 deg 248.594 deg Mariana Islands 2023/11/24 09:05:03 UTC (20.2, 145.5) 16 km 6.9 mww
74.62915 52.7 deg 247.362 deg Mariana Islands 2024/01/20 15:48:41 UTC (18.5, 145.6) 195 km 6.1 mww
73.18984 88.0 deg 193.079 deg South Of Kermadec Islands 2023/09/08 09:09:58 UTC (-32.7, -179.3) 90 km 6.6 mww
72.76203 73.9 deg 255.153 deg Talaud Islands, Indonesia 2023/09/26 01:39:44 UTC (4.7, 127.5) 100 km 5.9 mww
70.20427 75.8 deg 254.334 deg Northern Molucca Sea 2024/04/09 09:48:01 UTC (2.7, 127.1) 35 km 6.6 mww
65.9134 70.4 deg 191.858 deg Tonga Islands 2024/02/18 06:06:54 UTC (-15.3, -175.3) 10 km 5.5 Mww
64.81825 73.7 deg 191.593 deg Tonga Islands 2023/12/11 06:33:31 UTC (-18.7, -175.5) 238 km 6.1 Mww
63.397755 65.9 deg 269.511 deg Philippine Islands Region 2023/09/12 11:03:18 UTC (19.3, 121.2) 41 km 6.3 Mww
62.923332 51.4 deg 252.709 deg Volcano Islands, Japan Region 2024/02/12 11:19:36 UTC (22.0, 142.7) 250 km 6.1 mww
61.935825 52.6 deg 247.896 deg Mariana Islands 2023/11/19 04:01:36 UTC (18.8, 145.3) 598 km 5.9 mww
61.907925 78.5 deg 205.761 deg Vanuatu Islands 2023/12/07 12:56:30 UTC (-20.7, 169.2) 48 km 7.1 Mww
60.846603 61.9 deg 272.467 deg Taiwan 2024/04/03 00:11:25 UTC (24.1, 121.7) 13 km 6.4 Mww
60.552948 85.1 deg 191.973 deg Kermadec Islands, New Zealand 2023/10/23 10:10:15 UTC (-29.9, -177.5) 23 km 6.0 Mww
59.715443 82.8 deg 323.518 deg Northwestern Afghanistan 2023/10/07 06:41:02 UTC (34.6, 61.9) 10 km 6.2 mww
58.87147 56.4 deg 104.142 deg Near Coast Of Jalisco, Mexico 2023/09/08 16:37:17 UTC (19.5, -104.9) 45 km 5.7 mww
57.819954 72.2 deg 235.924 deg Near N Coast Of New Guinea, P.N.G. 2023/11/27 21:46:41 UTC (-3.6, 144.0) 8.0 km 6.5 Mww
56.551537 80.3 deg 199.233 deg South Of Fiji Islands 2023/09/05 00:55:24 UTC (-23.9, 175.5) 12 km 5.7 Mww
56.006824 73.1 deg 195.227 deg Fiji Islands Region 2023/10/31 11:10:56 UTC (-17.5, -179.0) 548 km 6.4 mww
55.608913 46.7 deg 261.8 deg Southeast Of Honshu, Japan 2023/10/04 00:13:45 UTC (30.0, 140.1) 10 km 5.5 Mww
53.768723 73.4 deg 256.322 deg Mindanao, Philippines 2024/03/08 09:11:46 UTC (5.8, 126.9) 125 km 6.0 mww
51.03964 53.6 deg 108.007 deg Revilla Gigedo Islands Region 2023/11/24 19:26:03 UTC (19.9, -109.3) 10 km 5.5 mww
46.2008 91.1 deg 325.359 deg Southern Iran 2023/10/17 05:10:03 UTC (27.7, 56.1) 10 km 5.5 mww
43.548717 74.0 deg 208.619 deg Vanuatu Islands 2023/09/28 14:40:26 UTC (-15.6, 167.7) 126 km 6.0 mww
41.463787 71.1 deg 258.28 deg Mindanao, Philippines 2023/12/04 05:08:35 UTC (8.8, 126.7) 25 km 5.7 mww
35.240284 71.0 deg 258.537 deg Mindanao, Philippines 2023/12/05 00:34:27 UTC (9.0, 126.5) 20 km 5.6 mb
31.933907 88.2 deg 250.063 deg Timor Region 2023/11/01 21:04:45 UTC (-10.0, 123.7) 28 km 6.0 mww
31.36779 86.1 deg 193.717 deg Kermadec Islands Region 2023/11/13 14:40:55 UTC (-30.7, -179.7) 435 km 5.7 Mww
27.387165 81.2 deg 247.005 deg Banda Sea 2023/11/11 06:41:51 UTC (-5.7, 130.2) 10 km 5.7 mww