Station AV ANPB - Aniakchak Pleny Bear, Alaska

Network: AV - Alaska Volcano Observatory

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
ANPB Aniakchak Pleny Bear, Alaska (56.80, -158.28) 1997-07-18 / 2499-01-01 662 m
Crust2 Type:C3,continental shelf, 2 km seds.
Thickness Estimate:36 km
Thickness StdDev:6.1 km
Vp/Vs Estimate:1.74
Vp/Vs StdDev:0.13
Vs Estimate:3.52 km/s
Poisson's Ratio:0.25
Peak Value:0.03
Assumed Vp:6.134 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.657
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

3 with match > 90% ( 12.0 %) and 8 with match > 80% ( 32.0 %) out of 25.

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Azimuth Distribution of Events:

Prior Results for this Station

Study Thickness Vp/Vs Vp Vs Poissons Ratio Extra
EARS 36 km 1.74 6.134 km/s 3.52 km/s 0.25
Crust2.0 31 km 1.80 6.134 km/s 3.406 km/s 0.28 C3,continental shelf, 2 km seds.
Global Maxima 36 km 1.74 6.134 km/s 3.52 km/s 0.25 amp=0.027417092
Local Maxima 1 27 km 1.60 6.134 km/s 3.834 km/s 0.18 amp=0.026063489
Local Maxima 2 25 km 2.10 6.134 km/s 2.924 km/s 0.35 amp=0.020040402
Local Maxima 3 58 km 1.62 6.134 km/s 3.786 km/s 0.19 amp=0.012090315
Local Maxima 4 70 km 1.77 6.134 km/s 3.461 km/s 0.27 amp=0.010957775
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps4.42 SECOND
PpPs16.32 SECOND
PsPs/PpSs20.74 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
93.44452 76.7 deg 213.58 deg Vanuatu Islands 2023/07/26 12:44:35 GMT (-14.8, 167.9) 13 km 6.4 mww
91.428795 76.7 deg 193.4 deg Tonga Islands Region 2022/11/11 10:48:45 GMT (-19.3, -172.1) 25 km 7.3 Mww
90.529144 63.6 deg 103.348 deg Near Coast Of Chiapas, Mexico 2023/07/14 09:29:01 GMT (15.0, -93.9) 35 km 6.3 mww
89.55832 74.9 deg 223.221 deg Solomon Islands 2022/11/22 02:03:07 GMT (-9.8, 159.6) 14 km 7.0 Mww
84.80719 86.0 deg 250.808 deg Tanimbar Islands Reg., Indonesia 2023/01/09 17:47:34 GMT (-7.1, 130.0) 95 km 7.6 mww
84.016266 73.0 deg 194.818 deg Samoa Islands Region 2022/12/04 19:24:15 GMT (-15.4, -173.0) 36 km 6.7 Mww
83.72827 73.2 deg 194.306 deg Samoa Islands Region 2022/12/04 19:24:27 GMT (-15.7, -172.5) 148 km 6.9 Mi
81.03492 77.1 deg 214.501 deg Vanuatu Islands 2023/01/08 12:32:42 GMT (-14.9, 166.9) 28 km 7.0 mww

Losers

(17 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
76.44672 78.5 deg 199.226 deg Fiji Islands Region 2022/11/12 07:09:14 GMT (-20.1, -178.4) 587 km 7.0 mww
74.03585 68.5 deg 99.606 deg Off Coast Of Central America 2023/07/19 00:22:07 GMT (12.8, -88.1) 70 km 6.5 mww
73.09352 77.3 deg 72.987 deg North Atlantic Ocean 2023/07/10 20:28:25 GMT (20.0, -61.1) 10 km 6.6 mww
70.28067 80.7 deg 310.333 deg Nepal 2022/11/08 20:27:23 GMT (29.3, 81.2) 16 km 5.6 mww
66.68273 74.9 deg 223.261 deg Solomon Islands 2022/11/22 02:13:03 GMT (-9.8, 159.6) 10 km 5.6 mb
62.505367 72.8 deg 194.997 deg Tonga Islands 2022/12/05 16:19:19 GMT (-15.2, -173.1) 10 km 5.6 Mww
60.53458 84.8 deg 200.999 deg South Of Fiji Islands 2022/11/09 09:38:42 GMT (-26.0, 178.4) 629 km 6.8 mww
56.483692 43.1 deg 111.801 deg Gulf Of California 2022/11/04 10:02:46 GMT (28.2, -112.3) 10 km 6.1 mww
54.877983 54.9 deg 112.583 deg Off Coast Of Jalisco, Mexico 2023/07/18 10:13:49 GMT (18.0, -105.7) 10 km 5.7 mww
54.44546 93.3 deg 99.575 deg Peru-Brazil Border Region 2022/12/22 13:13:55 GMT (-8.0, -74.5) 157 km 5.5 mww
53.997936 48.7 deg 270.37 deg Near S. Coast Of Honshu, Japan 2022/11/14 08:08:26 GMT (33.8, 137.3) 357 km 6.1 mww
51.213486 57.5 deg 250.409 deg Mariana Islands 2023/07/25 10:35:18 GMT (17.1, 145.5) 373 km 5.6 mww
49.429363 73.8 deg 194.607 deg Samoa Islands Region 2023/07/27 00:28:58 GMT (-16.3, -172.9) 10 km 5.5 Mww
49.230965 83.2 deg 256.782 deg Southern Molucca Sea 2023/07/17 04:42:14 GMT (-1.5, 126.5) 10 km 5.6 mww
46.443653 76.7 deg 261.307 deg Mindanao, Philippines 2022/12/09 20:01:55 GMT (6.4, 126.2) 68 km 5.6 Mww
41.12547 83.0 deg 201.035 deg South Of Fiji Islands 2023/07/24 02:49:58 GMT (-24.2, 178.8) 553 km 6.0 mww
31.728756 80.4 deg 195.676 deg Tonga Islands Region 2023/07/21 19:01:43 GMT (-22.6, -175.0) 11 km 5.5 Mww