Station XJ BRR - Blackrock Reservior

Network: XJ97 - Sierran Paradox

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
BRR Blackrock Reservior (36.91, -119.04) 1997-07-01 / 1997-12-31 1259 m
Crust2 Type:M9,thick extended crust, 0.5 km seds.
Thickness Estimate:32 km
Thickness StdDev:8.6 km
Vp/Vs Estimate:1.68
Vp/Vs StdDev:0.11
Vs Estimate:3.75 km/s
Poisson's Ratio:0.22
Peak Value:0.01
Assumed Vp:6.291 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.757
Nearby stations H:30 km +- 2.1 km
(2.0 deg) Vp/Vs:1.70 +- 0.03

6 with match > 90% ( 28.571428 %) and 11 with match > 80% ( 52.38095 %) out of 21.

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Azimuth Distribution of Events:

Prior Results for this Station

Study Thickness Vp/Vs Vp Vs Poissons Ratio Extra
EARS 32 km 1.68 6.291 km/s 3.75 km/s 0.22
Crust2.0 40 km 1.78 6.291 km/s 3.539 km/s 0.27 M9,thick extended crust, 0.5 km seds.
Global Maxima 32 km 1.68 6.291 km/s 3.75 km/s 0.22 amp=0.014268349
Local Maxima 1 46 km 2.07 6.291 km/s 3.047 km/s 0.35 amp=0.009273572
Local Maxima 2 25 km 1.82 6.291 km/s 3.461 km/s 0.28 amp=0.0072577423
Local Maxima 3 49 km 1.95 6.291 km/s 3.23 km/s 0.32 amp=0.0063865716
Local Maxima 4 59 km 1.62 6.291 km/s 3.889 km/s 0.19 amp=0.006021742
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps3.47 SECOND
PpPs13.73 SECOND
PsPs/PpSs17.20 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

(11 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
94.43832 51.5 deg 119.104 deg Colombia 1997/09/02 12:13:22 GMT (3.8, -75.7) 199 km 6.5 MB, 6.8 UNKNOWN, 6.4 ME
91.86748 86.3 deg 232.838 deg South Of Fiji Islands 1997/09/04 04:23:37 GMT (-26.6, 178.3) 625 km 6.3 MB, 6.8 UNKNOWN, 6.5 ME
91.26904 80.3 deg 140.053 deg Near Coast Of Central Chile 1997/07/27 05:21:29 GMT (-30.5, -71.9) 33 km 5.6 MB, 5.8 MS, 6.3 UNKNOWN, 6.2 MW
90.98101 85.3 deg 228.794 deg Kermadec Islands Region 1997/09/20 16:11:32 GMT (-28.7, -177.6) 30 km 6.1 MB, 7.0 MS, 7.2 UNKNOWN, 6.7 ME
90.38344 80.0 deg 139.783 deg Near Coast Of Central Chile 1997/07/06 09:54:00 GMT (-30.1, -71.9) 19 km 5.8 MB, 6.5 MS, 6.8 UNKNOWN, 6.4 ME
90.00541 68.8 deg 308.631 deg Kuril Islands 1997/07/14 16:09:35 GMT (43.2, 146.4) 33 km 5.9 MB, 5.8 MS, 6.1 UNKNOWN, 5.8 ME
87.71296 42.9 deg 160.251 deg Central East Pacific Rise 1997/08/15 07:37:49 GMT (-4.4, -105.7) 10 km 5.3 MB, 5.8 MS, 6.2 UNKNOWN, 6.1 MW
87.44239 85.4 deg 249.342 deg Vanuatu Islands 1997/08/17 20:11:10 GMT (-13.6, 167.4) 26 km 5.4 MB, 6.1 MS, 6.1 UNKNOWN, 6.0 MW
85.99901 79.4 deg 139.179 deg Near Coast Of Central Chile 1997/07/19 12:22:57 GMT (-29.3, -71.7) 26 km 5.8 MB, 5.5 MS, 5.9 UNKNOWN, 5.8 MW
85.95944 78.0 deg 231.633 deg Tonga Islands 1997/09/10 12:57:07 GMT (-21.3, -174.4) 10 km 5.7 MB, 6.1 MS, 6.1 UNKNOWN, 5.9 MW
82.36478 83.1 deg 292.651 deg Volcano Islands, Japan Region 1997/07/28 06:46:55 GMT (22.4, 142.7) 33 km 5.7 MB, 5.8 MS, 5.9 UNKNOWN, 5.9 MW

Losers

(10 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
78.35228 88.0 deg 227.059 deg Kermadec Islands Region 1997/10/07 13:15:53 GMT (-31.8, -178.3) 33 km 5.5 MB, 5.6 MS
72.49612 79.7 deg 234.365 deg Fiji Islands Region 1997/08/25 11:59:00 GMT (-20.8, -177.8) 394 km 5.5 UNKNOWN, 5.3 MB
70.69696 93.3 deg 304.687 deg Southwestern Ryukyu Isl., Japan 1997/08/13 04:45:04 GMT (25.0, 125.8) 55 km 6.0 MB, 5.6 MS, 6.1 UNKNOWN, 6.1 MW
69.03259 80.3 deg 140.051 deg Near Coast Of Central Chile 1997/07/25 06:47:02 GMT (-30.5, -71.9) 33 km 5.6 MB, 5.5 MS, 6.3 UNKNOWN
67.522514 85.6 deg 233.595 deg South Of Fiji Islands 1997/08/26 15:22:09 GMT (-25.5, 178.3) 610 km 5.5 MB, 5.7 UNKNOWN
66.774376 82.3 deg 293.829 deg Volcano Islands, Japan Region 1997/07/08 02:24:07 GMT (23.8, 142.7) 33 km 5.8 MB, 5.6 MS, 5.9 UNKNOWN, 5.8 MW
64.52352 88.2 deg 230.921 deg Kermadec Islands Region 1997/10/08 10:47:49 GMT (-29.2, 178.4) 617 km 5.5 MB, 5.7 UNKNOWN
56.677082 95.7 deg 306.568 deg Taiwan Region 1997/07/15 11:05:31 GMT (24.7, 122.4) 103 km 5.6 MB, 5.6 UNKNOWN, 5.6 MW
54.701614 90.8 deg 263.122 deg Solomon Islands 1997/09/07 12:57:06 GMT (-6.0, 154.5) 421 km 5.6 MB, 5.8 UNKNOWN, 5.8 MW
25.307222 95.5 deg 306.79 deg Taiwan Region 1997/10/11 18:24:23 GMT (25.0, 122.5) 143 km 5.5 UNKNOWN, 5.3 MB