Station BK JRSC - Jasper Ridge Biological Preserve, Stanford, CA

Network: BK - Berkeley Digital Seismograph Network

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
JRSC Jasper Ridge Biological Preserve, Stanford, CA (37.40, -122.24) 1994-06-30 / 2499-01-01 70 m
Crust2 Type:S1,continental slope, margin, transition 1 km seds.
Thickness Estimate:18 km
Thickness StdDev:8.7 km
Vp/Vs Estimate:1.61
Vp/Vs StdDev:0.09
Vs Estimate:3.852 km/s
Poisson's Ratio:0.18
Peak Value:0.03
Assumed Vp:6.183 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.959
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

2 with match > 90% ( 40.0 %) and 4 with match > 80% ( 80.0 %) out of 5.

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 18 km 1.61 6.183 km/s 3.852 km/s 0.18
Crust2.0 23 km 1.81 6.183 km/s 3.422 km/s 0.28 S1,continental slope, margin, transition 1 km seds.
Global Maxima 18 km 1.61 6.183 km/s 3.852 km/s 0.18 amp=0.028005859
Local Maxima 1 31 km 1.60 6.183 km/s 3.864 km/s 0.18 amp=0.026346423
Local Maxima 2 49 km 1.79 6.183 km/s 3.464 km/s 0.27 amp=0.024644924
Local Maxima 3 61 km 1.99 6.183 km/s 3.107 km/s 0.33 amp=0.023911886
Local Maxima 4 42 km 2.09 6.183 km/s 2.955 km/s 0.35 amp=0.021795414
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps1.76 SECOND
PpPs7.58 SECOND
PsPs/PpSs9.35 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

(4 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
96.10512 78.1 deg 302.645 deg Near S. Coast Of Honshu, Japan 2004/09/05 14:57:18 GMT (33.2, 137.1) 10 km 6.2 MB, 7.1 MS, 7.4 MW, 7.4 MW
95.46714 78.5 deg 302.786 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
86.079994 41.3 deg 120.85 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
82.11191 74.6 deg 305.147 deg Near West Coast Of Honshu, Japan 2004/10/23 08:56:00 GMT (37.2, 138.8) 16 km 6.4 MB, 6.3 MS, 6.6 MW, 6.4 MW

Losers

(1 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
93.68619 76.2 deg 234.847 deg Fiji Islands Region 2004/07/15 04:27:12 GMT (-17.6, -178.6) 560 km 5.5 MB