Station XJ HVY - Hills Valley

Network: XJ97 - Sierran Paradox

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
HVY Hills Valley (36.70, -119.32) 1997-05-29 / 1997-12-31 193 m
Crust2 Type:M9,thick extended crust, 0.5 km seds.
Thickness Estimate:43 km
Thickness StdDev:12 km
Vp/Vs Estimate:1.69
Vp/Vs StdDev:0.11
Vs Estimate:3.717 km/s
Poisson's Ratio:0.23
Peak Value:0.01
Assumed Vp:6.291 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.679
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

4 with match > 90% ( 14.814815 %) and 9 with match > 80% ( 33.333332 %) out of 27.

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Azimuth Distribution of Events:

Prior Results for this Station

Study Thickness Vp/Vs Vp Vs Poissons Ratio Extra
EARS 43 km 1.69 6.291 km/s 3.717 km/s 0.23
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 43 km 1.69 6.291 km/s 3.717 km/s 0.23 amp=0.0065100454
Local Maxima 1 70 km 1.91 6.291 km/s 3.29 km/s 0.31 amp=0.0039009599
Local Maxima 2 27 km 2.00 6.291 km/s 3.146 km/s 0.33 amp=0.0038895628
Local Maxima 3 26 km 1.77 6.291 km/s 3.549 km/s 0.27 amp=0.003508382
Local Maxima 4 36 km 1.75 6.291 km/s 3.605 km/s 0.26 amp=0.0025749349
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps4.73 SECOND
PpPs18.40 SECOND
PsPs/PpSs23.14 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

(9 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
94.94381 74.0 deg 236.617 deg Tonga Islands 1997/08/29 06:54:00 GMT (-15.2, -175.6) 33 km 5.6 MB, 6.4 MS, 6.5 UNKNOWN, 6.4 MW
91.84226 37.0 deg 310.915 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
91.83912 86.0 deg 232.674 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
90.02497 83.0 deg 292.519 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
86.50386 77.7 deg 231.472 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
85.9474 80.3 deg 139.835 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
85.458664 51.6 deg 118.708 deg Colombia 1997/09/02 12:13:22 GMT (3.8, -75.7) 199 km 6.5 MB, 6.8 UNKNOWN, 6.4 ME
82.62724 42.8 deg 159.782 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
80.20504 77.9 deg 300.801 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

Losers

(18 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
93.58196 44.3 deg 308.971 deg Andreanof Islands, Aleutian Is. 1997/06/17 21:03:40 GMT (51.3, -179.3) 33 km 6.4 MB, 6.3 MS, 6.4 UNKNOWN, 6.6 ML
93.103096 79.9 deg 139.563 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
85.26968 68.8 deg 308.583 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
79.22561 80.2 deg 139.832 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
73.73225 72.9 deg 170.507 deg Southern East Pacific Rise 1997/06/10 21:53:55 GMT (-35.8, -108.1) 10 km 5.8 MB, 6.1 MS, 6.5 UNKNOWN, 5.8 MS
70.860115 83.3 deg 308.099 deg Western Honshu, Japan 1997/06/25 09:50:12 GMT (34.4, 131.6) 10 km 5.5 MB, 5.6 MS, 5.9 UNKNOWN, 5.8 MW
70.4838 79.4 deg 234.206 deg Fiji Islands Region 1997/08/25 11:59:00 GMT (-20.8, -177.8) 394 km 5.5 UNKNOWN, 5.3 MB
68.67944 81.5 deg 231.806 deg South Of Fiji Islands 1997/06/11 09:29:23 GMT (-24.0, -177.5) 164 km 5.9 UNKNOWN, 5.4 MB, 5.5 MB
66.62603 73.8 deg 236.452 deg Tonga Islands 1997/08/04 18:53:58 GMT (-15.2, -175.3) 33 km 5.5 MB, 6.0 MS, 6.1 UNKNOWN, 6.0 MW
65.27609 85.3 deg 233.432 deg South Of Fiji Islands 1997/08/26 15:22:09 GMT (-25.5, 178.3) 610 km 5.5 MB, 5.7 UNKNOWN
63.40101 77.6 deg 131.088 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
61.469883 78.0 deg 237.059 deg Fiji Islands Region 1997/06/11 11:53:32 GMT (-17.8, -178.8) 573 km 5.5 UNKNOWN, 4.9 MB
60.75732 82.2 deg 293.702 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
59.21104 93.3 deg 304.504 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
55.75661 90.5 deg 262.954 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
53.20657 95.6 deg 306.372 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
47.55058 79.4 deg 138.956 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
25.871025 70.4 deg 308.006 deg Hokkaido, Japan Region 1997/10/08 21:20:59 GMT (41.9, 144.8) 33 km 5.5 MB, 5.6 MS, 5.9 UNKNOWN, 5.9 MW