Station 7D J57A - SIO OBS J57A

Network: 7D - Cascadia Initiative Community Experiment-OBS component

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
J57A SIO OBS J57A (47.08, -124.45) 2011-10-17 / 2012-07-15 -55.8 m
Crust2 Type:C3,continental shelf, 2 km seds.
Thickness Estimate:56 km
Thickness StdDev:9.2 km
Vp/Vs Estimate:1.79
Vp/Vs StdDev:0.09
Vs Estimate:3.436 km/s
Poisson's Ratio:0.27
Peak Value:0.01
Assumed Vp:6.134 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.742
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

0 with match > 90% ( 0.0 %) and 3 with match > 80% ( 11.538462 %) out of 26.

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 56 km 1.79 6.134 km/s 3.436 km/s 0.27
Crust2.0 31 km 1.80 6.134 km/s 3.406 km/s 0.28 C3,continental shelf, 2 km seds.
Global Maxima 56 km 1.79 6.134 km/s 3.436 km/s 0.27 amp=0.0123274075
Local Maxima 1 59 km 1.71 6.134 km/s 3.587 km/s 0.24 amp=0.0076124356
Local Maxima 2 53 km 1.60 6.134 km/s 3.834 km/s 0.18 amp=0.0060701794
Local Maxima 3 64 km 1.60 6.134 km/s 3.834 km/s 0.18 amp=0.0057445746
Local Maxima 4 53 km 1.92 6.134 km/s 3.199 km/s 0.31 amp=0.005401707
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps7.20 SECOND
PpPs25.54 SECOND
PsPs/PpSs32.74 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

(3 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
89.05805 90.3 deg 238.117 deg Southeast Of Loyalty Islands 2012/03/04 12:49:02 GMT (-21.5, 169.8) 14 km 5.7 MW, 5.4 MS, 5.4 MB, 5.6 MW
86.50213 97.4 deg 270.225 deg Irian Jaya, Indonesia 2011/11/15 23:42:29 GMT (-5.3, 140.3) 12 km 5.7 MB, 5.4 MS, 5.7 MW, 5.6 MW
80.01828 76.1 deg 131.219 deg Near Coast Of Peru 2012/07/11 20:52:37 GMT (-15.3, -75.3) 14 km 5.6 MW

Losers

(23 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
96.15241 97.4 deg 293.174 deg Negros, Philippines 2012/02/06 11:33:21 GMT (10.0, 123.3) 10 km 5.9 MW
93.98961 50.9 deg 124.619 deg Costa Rica 2012/02/13 10:55:09 GMT (9.2, -84.1) 16 km 5.6 MB, 5.5 MS, 5.9 MW, 5.7 MW
89.10947 77.9 deg 227.036 deg Tonga Islands 2011/11/11 15:02:19 GMT (-17.7, -173.1) 10 km 5.5 MB, 5.6 MW
87.72182 54.7 deg 302.866 deg Kuril Islands 2011/11/19 22:06:00 GMT (46.6, 151.5) 96 km 5.5 MB
87.447845 51.6 deg 303.728 deg Kuril Islands 2012/06/09 14:23:20 GMT (48.9, 154.9) 49 km 5.5 MW
86.57421 78.1 deg 227.416 deg Tonga Islands 2012/01/05 01:13:40 GMT (-17.7, -173.5) 35 km 5.6 MW
86.30926 76.2 deg 286.914 deg Mariana Islands Region 2012/01/26 22:04:06 GMT (21.6, 142.9) 314 km 5.5 MB, 5.3 MW
81.31631 43.4 deg 311.68 deg Near East Coast Of Kamchatka 2012/06/24 03:15:01 GMT (57.6, 163.2) 10 km 5.8 MB, 5.8 MS, 6.0 MW, 6.1 MW
79.45983 89.3 deg 223.925 deg Kermadec Islands Region 2011/12/19 05:32:16 GMT (-29.1, -176.9) 10 km 5.7 MW, 5.5 MW
76.981384 80.9 deg 231.331 deg Fiji Islands Region 2012/02/10 01:47:34 GMT (-18.0, -178.5) 582 km 6.0 MB, 5.9 MW, 6.0 MW
76.048355 54.8 deg 125.6 deg South Of Panama 2012/06/04 03:15:24 GMT (5.5, -82.6) 7.0 km 5.8 MB, 5.8 MS, 6.3 MW, 6.1 MW
75.276215 88.9 deg 223.508 deg Kermadec Islands Region 2011/10/21 17:57:16 GMT (-29.0, -176.2) 33 km 6.4 MB, 7.5 MS, 7.4 MW, 7.4 MW
74.74743 94.5 deg 270.484 deg Near N Coast Of New Guinea, P.N.G. 2011/11/20 16:31:38 GMT (-3.0, 142.1) 10 km 5.5 MW, 5.7 MW
72.27357 84.8 deg 225.842 deg South Of Tonga Islands 2012/04/24 15:15:38 GMT (-24.2, -175.9) 10 km 5.6 MW, 5.6 MW, 5.6 MS
68.99351 86.0 deg 249.677 deg Solomon Islands 2012/07/03 03:49:33 GMT (-10.8, 163.3) 92 km 5.6 MB, 5.5 MW, 5.5 MW
67.6818 95.4 deg 299.536 deg Luzon, Philippines 2012/06/16 22:18:47 GMT (15.6, 119.6) 28 km 5.9 MW, 5.7 MS, 5.9 MW, 6.1 MB
66.46773 35.4 deg 137.086 deg Guerrero, Mexico 2011/12/11 01:47:25 GMT (17.8, -100.0) 54 km 6.2 MB, 6.5 MW, 6.5 MW
64.79251 93.8 deg 9.563 deg Turkey 2011/10/23 11:32:41 GMT (38.8, 43.3) 5.0 km 5.7 MB, 5.5 ML
60.180603 89.4 deg 261.599 deg New Britain Region, P.N.G. 2012/04/28 19:21:03 GMT (-5.3, 152.1) 35 km 5.6 MW
55.340576 93.0 deg 129.297 deg Santiago Del Estero Prov., Arg. 2012/03/05 07:46:10 GMT (-28.2, -63.3) 554 km 6.0 MB, 6.1 MW, 6.1 MW
48.866127 87.2 deg 251.615 deg Solomon Islands 2012/02/14 08:19:55 GMT (-10.4, 161.1) 51 km 6.2 MB, 6.4 MW, 6.4 MW
47.598984 55.4 deg 301.672 deg Kuril Islands 2012/07/11 02:31:16 GMT (45.4, 151.4) 10 km 5.6 MB, 5.5 MS, 5.7 MW, 5.7 MW
43.24321 87.1 deg 133.458 deg Near Coast Of Northern Chile 2011/10/30 18:53:43 GMT (-25.7, -71.0) 47 km 5.7 MB, 5.4 MS, 5.7 MW, 5.8 MW