Station UW OQNOB - Black Knob, Quinault Indian Nation, WA, USA

Network: UW - Pacific Northwest Regional Seismic Network

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
OQNOB Black Knob, Quinault Indian Nation, WA, USA (47.41, -124.10) 2023-09-14 / 2499-01-01 208 m
Crust2 Type:C3,continental shelf, 2 km seds.
Thickness Estimate:28 km
Thickness StdDev:3.3 km
Vp/Vs Estimate:1.68
Vp/Vs StdDev:0.09
Vs Estimate:3.657 km/s
Poisson's Ratio:0.22
Peak Value:0.03
Assumed Vp:6.134 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.631
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

2 with match > 90% ( 3.7735848 %) and 8 with match > 80% ( 15.094339 %) out of 53.

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 28 km 1.68 6.134 km/s 3.657 km/s 0.22
Crust2.0 31 km 1.80 6.134 km/s 3.406 km/s 0.28 C3,continental shelf, 2 km seds.
Global Maxima 28 km 1.68 6.134 km/s 3.657 km/s 0.22 amp=0.029645838
Local Maxima 1 26 km 1.60 6.134 km/s 3.828 km/s 0.18 amp=0.02421219
Local Maxima 2 27 km 1.84 6.134 km/s 3.334 km/s 0.29 amp=0.020131368
Local Maxima 3 37 km 1.63 6.134 km/s 3.769 km/s 0.20 amp=0.017156862
Local Maxima 4 65 km 1.63 6.134 km/s 3.763 km/s 0.20 amp=0.0132967215
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps3.04 SECOND
PpPs12.00 SECOND
PsPs/PpSs15.04 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
92.49312 87.8 deg 303.377 deg Taiwan 2024/04/02 23:58:11 GMT (23.8, 121.6) 35 km 7.4 mww
90.06128 77.0 deg 131.154 deg Near Coast Of Peru 2024/06/28 05:36:37 GMT (-15.8, -74.4) 28 km 7.2 mww
88.10701 68.7 deg 302.454 deg Near West Coast Of Honshu, Japan 2024/01/01 07:10:10 GMT (37.5, 137.2) 0.0 km 7.4 Mi
86.59928 62.9 deg 104.206 deg Near Coast Of Venezuela 2024/06/23 03:58:00 GMT (10.8, -62.6) 87 km 6.0 mww
85.7143 80.6 deg 227.834 deg Tonga Islands 2024/05/26 20:47:09 GMT (-19.4, -174.9) 112 km 6.6 mww
82.392624 74.5 deg 302.199 deg Shikoku, Japan 2024/04/17 14:14:45 GMT (33.2, 132.4) 26 km 6.3 mww
81.80745 76.5 deg 283.507 deg Mariana Islands 2024/04/05 11:03:16 GMT (19.1, 145.4) 222 km 6.8 mww
80.43209 33.7 deg 298.551 deg Andreanof Islands, Aleutian Is. 2023/10/16 11:35:31 GMT (52.4, -176.9) 187 km 6.4 Mww

Losers

(45 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
90.52143 89.3 deg 342.979 deg Kyrgyzstan-Xinjiang Border Reg. 2024/01/22 18:42:33 GMT (41.3, 78.8) 10 km 5.5 mb
77.40804 42.1 deg 130.566 deg Near Coast Of Chiapas, Mexico 2024/05/12 11:39:14 GMT (14.5, -92.4) 75 km 6.4 mww
76.79409 93.9 deg 266.044 deg Eastern New Guinea Reg., P.N.G. 2023/10/07 08:34:26 GMT (-5.6, 146.1) 53 km 6.7 mww
76.22252 96.5 deg 289.858 deg Mindanao, Philippines 2023/12/02 15:31:27 GMT (8.5, 126.8) 48 km 5.5 mb
76.20976 89.4 deg 343.049 deg Kyrgyzstan-Xinjiang Border Reg. 2024/01/22 18:09:04 GMT (41.3, 78.6) 13 km 7.0 Mww
75.218735 87.7 deg 303.44 deg Taiwan 2024/04/03 00:43:55 GMT (24.0, 121.6) 10 km 5.5 mb
75.04802 43.1 deg 308.953 deg Komandorskiye Ostrova Region 2023/10/26 16:05:11 GMT (56.1, 164.7) 2.4 km 5.9 Mww
73.43479 38.6 deg 131.683 deg Chiapas, Mexico 2023/10/07 05:06:55 GMT (17.1, -95.0) 108 km 5.9 mww
73.006516 70.5 deg 294.338 deg Southeast Of Honshu, Japan 2023/10/04 05:57:17 GMT (30.8, 142.0) 10 km 5.6 mww
72.76422 30.1 deg 296.65 deg Fox Islands, Aleutian Islands 2024/05/19 09:35:24 GMT (52.2, -170.9) 28 km 6.0 mww
72.60533 63.2 deg 74.319 deg Northern Mid-Atlantic Ridge 2024/03/14 21:10:25 GMT (29.8, -42.7) 10 km 6.0 mww
70.52118 87.3 deg 243.603 deg Vanuatu Islands 2023/09/28 14:40:26 GMT (-15.6, 167.7) 126 km 6.0 mww
68.51885 89.6 deg 224.243 deg Kermadec Islands Region 2024/05/31 15:54:41 GMT (-29.0, -176.9) 20 km 6.2 mww
68.10864 80.4 deg 228.301 deg Tonga Islands 2024/01/18 22:12:20 GMT (-18.9, -175.1) 218 km 6.4 Mww
67.5613 90.4 deg 133.722 deg La Rioja Province, Argentina 2024/01/03 08:04:01 GMT (-28.5, -68.9) 155 km 5.5 mww
66.532555 80.3 deg 228.71 deg Tonga Islands 2023/12/11 06:33:31 GMT (-18.7, -175.5) 238 km 6.1 Mww
65.10839 89.3 deg 135.814 deg Near Coast Of Central Chile 2023/10/31 12:33:44 GMT (-28.7, -71.6) 41 km 6.7 mww
64.6635 89.6 deg 240.416 deg Vanuatu Islands 2023/10/29 04:32:08 GMT (-19.4, 168.8) 80 km 6.0 mww
62.294273 90.3 deg 239.323 deg Vanuatu Islands 2023/12/07 12:56:30 GMT (-20.7, 169.2) 48 km 7.1 Mww
61.982323 94.1 deg 266.186 deg Eastern New Guinea Reg., P.N.G. 2023/10/07 14:13:36 GMT (-5.6, 145.9) 62 km 5.5 mb
61.696487 81.2 deg 232.18 deg Fiji Islands Region 2023/10/31 11:10:56 GMT (-17.5, -179.0) 548 km 6.4 mww
61.435505 77.1 deg 131.292 deg Near Coast Of Peru 2024/06/16 14:47:31 GMT (-15.9, -74.5) 20 km 6.0 mww
61.228287 65.9 deg 126.361 deg Northern Peru 2024/06/18 02:22:09 GMT (-3.9, -76.7) 100 km 5.5 Mww
60.97069 68.2 deg 302.442 deg Near West Coast Of Honshu, Japan 2024/01/09 08:59:10 GMT (37.9, 137.7) 11 km 5.8 Mww
58.955677 77.6 deg 300.044 deg Southeast Of Ryukyu Islands 2024/04/15 22:38:57 GMT (29.5, 131.7) 8.0 km 5.9 mww
57.81801 64.3 deg 301.971 deg Near East Coast Of Honshu, Japan 2024/04/01 19:24:36 GMT (40.1, 141.7) 73 km 5.9 mww
57.73737 89.8 deg 262.078 deg New Britain Region, P.N.G. 2024/04/15 10:43:27 GMT (-5.2, 151.9) 52 km 5.4 Mww
57.538292 89.0 deg 242.079 deg Vanuatu Islands 2024/01/23 14:33:47 GMT (-17.9, 167.8) 10 km 6.5 Mi
56.52911 77.7 deg 228.512 deg Tonga Islands 2024/06/18 06:40:36 GMT (-16.5, -173.8) 35 km 5.9 mww
55.736763 74.1 deg 293.732 deg Bonin Islands, Japan Region 2024/04/27 08:35:34 GMT (27.8, 139.6) 503 km 6.5 mww
55.49532 68.7 deg 302.398 deg Near West Coast Of Honshu, Japan 2024/06/02 21:31:38 GMT (37.5, 137.2) 4.8 km 5.8 mww
55.19604 82.6 deg 280.135 deg South Of Mariana Islands 2024/02/04 09:50:42 GMT (12.4, 143.5) 10 km 5.7 Mi
54.6097 36.6 deg 299.235 deg Rat Islands, Aleutian Islands 2024/03/30 16:28:57 GMT (52.1, 178.4) 115 km 5.8 mww
52.731987 88.4 deg 156.893 deg West Chile Rise 2024/06/04 18:32:59 GMT (-37.3, -94.6) 10 km 5.5 Mww
52.514717 43.4 deg 128.618 deg Guatemala 2024/01/27 05:52:49 GMT (14.1, -90.5) 108 km 6.1 Mww
52.48957 92.5 deg 225.313 deg Kermadec Islands Region 2023/11/13 14:40:55 GMT (-30.7, -179.7) 435 km 5.7 Mww
52.26951 84.9 deg 246.13 deg Santa Cruz Islands 2024/05/21 09:50:43 GMT (-12.1, 167.3) 248 km 5.4 Mww
51.35347 88.4 deg 242.512 deg Vanuatu Islands 2024/05/25 22:23:16 GMT (-17.1, 167.9) 29 km 6.3 mww
50.612286 94.4 deg 223.5 deg South Of Kermadec Islands 2024/06/27 16:37:51 GMT (-33.4, -179.2) 32 km 5.9 Mww
50.03454 38.2 deg 232.97 deg Hawaii 2024/02/09 20:06:30 GMT (19.0, -155.5) 10 km 6.3 Mi
49.214256 35.7 deg 135.436 deg Central Mexico 2023/12/07 20:03:38 GMT (18.4, -98.6) 44 km 5.8 mww
47.92746 72.1 deg 298.314 deg Southeast Of Honshu, Japan 2024/05/29 17:14:58 GMT (32.3, 137.6) 392 km 5.5 Mww
36.550728 86.9 deg 282.735 deg W. Caroline Islands, Micronesia 2024/02/14 11:40:21 GMT (11.0, 138.6) 10 km 6.0 mww
36.26105 48.4 deg 110.386 deg Jamaica Region 2023/10/30 15:57:20 GMT (18.2, -76.6) 10 km 5.4 mww
28.297688 78.5 deg 227.897 deg Tonga Islands 2023/10/27 03:02:24 GMT (-17.6, -173.8) 35 km 5.6 mb