Station US OCWA - Octopus Mountain, Washington, USA

Network: US - United States National Seismic Network

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
OCWA Octopus Mountain, Washington, USA (47.75, -124.18) 1998-08-28 / 2499-01-01 671 m
Crust2 Type:C3,continental shelf, 2 km seds.
Thickness Estimate:28 km
Thickness StdDev:0.3 km
Vp/Vs Estimate:1.82
Vp/Vs StdDev:0.05
Vs Estimate:3.375 km/s
Poisson's Ratio:0.28
Peak Value:0.06
Assumed Vp:6.134 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.490
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

12 with match > 90% ( 41.37931 %) and 28 with match > 80% ( 96.55173 %) out of 29.

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 1.82 6.134 km/s 3.375 km/s 0.28
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 1.82 6.134 km/s 3.375 km/s 0.28 amp=0.063885145
Local Maxima 1 28 km 1.72 6.134 km/s 3.571 km/s 0.24 amp=0.046396665
Local Maxima 2 25 km 1.70 6.134 km/s 3.613 km/s 0.23 amp=0.027102176
Local Maxima 3 30 km 1.78 6.134 km/s 3.451 km/s 0.27 amp=0.018286629
Local Maxima 4 26 km 2.03 6.134 km/s 3.029 km/s 0.34 amp=0.00864535
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps3.80 SECOND
PpPs13.09 SECOND
PsPs/PpSs16.89 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

(28 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
96.7064 61.7 deg 301.99 deg Hokkaido, Japan Region 2003/09/25 19:50:06 GMT (41.8, 143.9) 27 km 6.9 MB, 8.1 MS, 8.3 MW, 8.1 MW
96.39629 81.1 deg 226.698 deg Tonga Islands 2006/05/03 15:26:40 GMT (-20.2, -174.1) 55 km 7.2 MB, 7.8 MS, 7.9 MW, 7.9 MW
94.98231 60.3 deg 95.288 deg North Atlantic Ocean 2003/05/14 06:03:35 GMT (18.3, -58.6) 42 km 6.5 MB, 6.5 MS, 6.6 MW, 6.6 MW
94.82362 60.1 deg 99.783 deg Leeward Islands 2004/11/21 11:41:07 GMT (15.7, -61.7) 14 km 6.3 MB, 6.1 MS, 6.3 MW, 6.3 MW
94.570305 51.2 deg 103.827 deg Dominican Republic Region 2003/09/22 04:45:36 GMT (19.8, -70.7) 10 km 6.2 MB, 6.6 MS, 6.5 MW, 6.4 MW
93.94745 87.8 deg 251.97 deg Solomon Islands 2003/01/20 08:43:06 GMT (-10.5, 160.8) 33 km 6.7 MB, 7.8 MS, 7.3 MW, 7.2 MW
93.90433 71.5 deg 299.042 deg Near S. Coast Of Honshu, Japan 2004/09/06 23:29:35 GMT (33.2, 137.2) 10 km 6.4 MB, 6.3 MS, 6.7 MW, 6.5 MW
93.482735 51.3 deg 125.486 deg Costa Rica 1999/08/20 10:02:21 GMT (9.0, -84.2) 20 km 6.1 MB, 6.9 MS, 7.0 MW, 6.1 ML
92.98604 71.9 deg 299.325 deg Near S. Coast Of Western Honshu 2004/09/05 10:07:07 GMT (33.1, 136.6) 14 km 6.7 MB, 7.0 MS, 7.2 MW, 7.0 MW
92.38367 33.2 deg 143.586 deg Near Coast Of Jalisco, Mexico 2003/01/22 02:06:34 GMT (18.8, -104.1) 24 km 6.5 MB, 7.6 MS, 7.6 MW, 7.4 MW
92.14253 87.6 deg 242.949 deg Vanuatu Islands 1999/08/22 12:40:45 GMT (-16.1, 168.0) 33 km 6.3 MB, 6.2 MS, 6.5 MW, 6.5 MW
91.62696 71.9 deg 124.217 deg Western Brazil 2003/06/20 06:19:38 GMT (-7.6, -71.7) 558 km 6.4 MB, 7.1 MW, 7.0 MW
89.75851 65.2 deg 300.066 deg Near East Coast Of Honshu, Japan 2005/08/16 02:46:28 GMT (38.3, 142.0) 36 km 6.5 MB, 6.8 MS, 7.2 MW, 7.1 MW
89.59104 60.3 deg 302.388 deg Hokkaido, Japan Region 2004/11/28 18:32:14 GMT (43.0, 145.1) 39 km 6.4 MB, 6.7 MS, 7.0 MW, 7.0 MW
88.977776 40.2 deg 315.221 deg Eastern Siberia, Russia 2006/04/20 23:25:02 GMT (60.9, 167.1) 22 km 6.8 MB, 7.6 MS, 7.6 MW, 7.3 MW
88.881676 64.8 deg 300.602 deg Near East Coast Of Honshu, Japan 2002/11/03 03:37:42 GMT (38.9, 142.0) 39 km 5.7 MB, 6.1 MS, 6.4 MW, 6.4 MW
87.66942 76.5 deg 228.799 deg Tonga Islands 2004/09/08 11:00:18 GMT (-15.2, -173.4) 13 km 5.6 MB, 5.6 MS, 5.9 MW, 5.8 MW
85.99938 43.4 deg 124.91 deg Honduras 1999/07/11 14:14:16 GMT (15.8, -88.3) 10 km 6.0 MB, 6.6 MS, 6.7 MW, 6.3 ME
85.918755 48.3 deg 127.377 deg Off Coast Of Costa Rica 2004/06/29 07:01:30 GMT (10.7, -87.0) 9.0 km 5.8 MB, 5.8 MS, 6.3 MW, 6.1 MW
85.386986 82.9 deg 230.087 deg Fiji Islands Region 2006/01/02 22:13:40 GMT (-19.9, -178.2) 583 km 6.5 MB, 7.2 MW, 7.1 MW
85.27507 33.8 deg 146.636 deg Off Coast Of Jalisco, Mexico 2003/05/19 16:27:10 GMT (17.5, -105.5) 10 km 5.6 MB, 5.8 MS, 6.2 MW, 6.1 MW
85.220955 91.1 deg 136.803 deg Near Coast Of Central Chile 2003/06/20 13:30:41 GMT (-30.6, -71.6) 33 km 6.4 MB, 6.8 MS, 6.8 MW, 6.7 MW
84.454865 78.6 deg 339.737 deg Southwestern Siberia, Russia 2003/10/01 01:03:25 GMT (50.2, 87.7) 10 km 6.3 MB, 7.1 MS, 6.7 MW, 6.7 MW
84.44186 56.7 deg 306.313 deg Northwest Of Kuril Islands 2002/11/17 04:53:53 GMT (47.8, 146.2) 459 km 7.3 MW, 7.3 MW
83.70217 54.1 deg 125.244 deg South Of Panama 2005/08/27 18:38:20 GMT (6.8, -82.4) 10 km 5.6 MB, 5.6 MS, 6.2 MW, 6.1 MW
81.16436 84.7 deg 247.571 deg Santa Cruz Islands 2004/06/22 09:04:43 GMT (-10.9, 166.3) 153 km 5.8 MB, 5.9 MW, 5.8 MW
81.01961 45.5 deg 309.327 deg Kamchatka Peninsula, Russia 2003/06/16 22:08:02 GMT (55.5, 160.0) 175 km 6.3 MB, 6.9 MW, 6.9 MW
80.80696 50.0 deg 303.997 deg Kuril Islands 1999/08/06 00:32:41 GMT (49.9, 156.3) 58 km 5.5 MB, 5.5 MS, 5.9 MW, 5.8 MW

Losers

(1 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
76.07269 48.3 deg 126.05 deg Near Coast Of Nicaragua 2005/07/02 02:16:43 GMT (11.2, -86.2) 27 km 5.6 MB, 6.4 MS, 6.6 MW, 6.6 MW