Station XJ TWR2 - Tower Rock 2

Network: XJ97 - Sierran Paradox

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
TWR2 Tower Rock 2 (36.35, -118.41) 1997-06-22 / 1997-12-31 1946 m
Crust2 Type:M9,thick extended crust, 0.5 km seds.
Thickness Estimate:34 km
Thickness StdDev:2.0 km
Vp/Vs Estimate:1.81
Vp/Vs StdDev:0.06
Vs Estimate:3.481 km/s
Poisson's Ratio:0.28
Peak Value:0.06
Assumed Vp:6.291 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.583
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

1 with match > 90% ( 6.6666665 %) and 3 with match > 80% ( 20.0 %) out of 15.

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Azimuth Distribution of Events:

Prior Results for this Station

Study Thickness Vp/Vs Vp Vs Poissons Ratio Extra
EARS 34 km 1.81 6.291 km/s 3.481 km/s 0.28
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 34 km 1.81 6.291 km/s 3.481 km/s 0.28 amp=0.05957749
Local Maxima 1 38 km 1.75 6.291 km/s 3.6 km/s 0.26 amp=0.04337425
Local Maxima 2 35 km 1.87 6.291 km/s 3.369 km/s 0.30 amp=0.028638903
Local Maxima 3 36 km 1.70 6.291 km/s 3.706 km/s 0.23 amp=0.017972445
Local Maxima 4 30 km 1.96 6.291 km/s 3.214 km/s 0.32 amp=0.017778633
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps4.36 SECOND
PpPs15.17 SECOND
PsPs/PpSs19.54 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
92.8606 85.3 deg 229.231 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
87.3973 79.2 deg 140.164 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
84.89794 50.8 deg 119.286 deg Colombia 1997/09/02 12:13:22 GMT (3.8, -75.7) 199 km 6.5 MB, 6.8 UNKNOWN, 6.4 ME

Losers

(12 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
79.961945 37.8 deg 311.172 deg Fox Islands, Aleutian Islands 1997/07/20 00:30:20 GMT (52.6, -167.5) 14 km 5.6 MB, 5.9 MS, 6.2 UNKNOWN, 6.2 MW
79.549385 85.7 deg 234.028 deg South Of Fiji Islands 1997/08/26 15:22:09 GMT (-25.5, 178.3) 610 km 5.5 MB, 5.7 UNKNOWN
74.243576 86.4 deg 233.261 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
72.994156 85.6 deg 249.773 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
69.93993 69.6 deg 309.051 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
69.745125 78.7 deg 139.559 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
69.50992 78.8 deg 301.324 deg Southeast Of Honshu, Japan 1997/09/30 06:27:24 GMT (32.0, 141.9) 10 km 5.5 MB, 6.5 MS, 6.1 UNKNOWN, 6.0 MW
65.25622 33.7 deg 118.564 deg Caribbean Sea 1997/07/06 20:13:37 GMT (16.2, -87.9) 33 km 5.5 MB, 5.5 MS, 6.0 UNKNOWN, 5.9 MW
64.36619 83.0 deg 294.244 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
58.053333 85.2 deg 240.157 deg Vanuatu Islands Region 1997/06/24 16:17:09 GMT (-20.7, 174.2) 33 km 5.5 MS, 5.2 MB, 5.9 UNKNOWN, 5.9 MW
54.57627 76.8 deg 131.677 deg Jujuy Province, Argentina 1997/07/20 10:14:22 GMT (-23.0, -66.3) 256 km 5.7 MB, 6.1 UNKNOWN, 5.7 ME
54.491123 88.0 deg 227.461 deg Kermadec Islands Region 1997/10/07 13:15:53 GMT (-31.8, -178.3) 33 km 5.5 MB, 5.6 MS