Station XF ALPN - Alpine, Alpine, Calif.

Network: XF94 - Penninsular Ranges, California

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
ALPN Alpine, Alpine, Calif. (32.87, -116.75) 1994-03-24 / 1994-11-04 2693 m
Crust2 Type:MG,very thin extended crust, 0.5 km seds.
Thickness Estimate:35 km
Thickness StdDev:0.7 km
Vp/Vs Estimate:1.81
Vp/Vs StdDev:0.03
Vs Estimate:3.465 km/s
Poisson's Ratio:0.28
Peak Value:0.07
Assumed Vp:6.264 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.386
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

4 with match > 90% ( 22.222221 %) and 5 with match > 80% ( 27.777779 %) out of 18.

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Azimuth Distribution of Events:

Prior Results for this Station

Study Thickness Vp/Vs Vp Vs Poissons Ratio Extra
EARS 35 km 1.81 6.264 km/s 3.465 km/s 0.28
Crust2.0 28 km 1.78 6.264 km/s 3.524 km/s 0.27 MG,very thin extended crust, 0.5 km seds.
Zhu S. Cal. 35 km 1.84 6.3 km/s 3.424 km/s 0.29
Global Maxima 35 km 1.81 6.264 km/s 3.465 km/s 0.28 amp=0.07400209
Local Maxima 1 26 km 2.07 6.264 km/s 3.03 km/s 0.35 amp=0.025627036
Local Maxima 2 35 km 1.84 6.264 km/s 3.4 km/s 0.29 amp=0.021428524
Local Maxima 3 34 km 1.70 6.264 km/s 3.679 km/s 0.24 amp=0.018879937
Local Maxima 4 30 km 1.88 6.264 km/s 3.341 km/s 0.30 amp=0.009945589
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps4.48 SECOND
PpPs15.58 SECOND
PsPs/PpSs20.06 SECOND

Events Processed for this Station

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Plot maxima for each earthquake.

Events Used in the Stack

(5 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
96.6979 66.0 deg 126.445 deg Northern Bolivia 1994/06/09 00:33:16 GMT (-13.8, -67.6) 637 km 6.9 MB, 6.8 MS, 8.3 UNKNOWN, 8.2 MW
94.42207 87.4 deg 248.456 deg Vanuatu Islands 1994/07/13 02:35:55 GMT (-16.6, 167.5) 33 km 6.3 MB, 7.4 MS, 7.3 UNKNOWN, 7.1 MW
93.04276 48.3 deg 119.42 deg Colombia 1994/06/06 20:47:39 GMT (2.9, -76.1) 9.0 km 6.4 MB, 6.4 MS, 6.3 UNKNOWN, 6.8 MW
92.4834 81.7 deg 315.336 deg Primor'ye, Russia 1994/07/21 18:36:31 GMT (42.3, 132.9) 473 km 6.4 MB, 7.2 UNKNOWN
87.67431 79.5 deg 133.835 deg Santiago Del Estero Prov., Arg. 1994/05/10 06:36:28 GMT (-28.5, -63.1) 605 km 6.4 MB, 6.2 UNKNOWN, 6.9 MW

Losers

(13 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
76.49571 48.5 deg 111.354 deg Northern Colombia 1994/05/31 17:41:55 GMT (7.4, -72.1) 13 km 6.3 MB, 5.6 MS, 6.0 UNKNOWN, 6.0 MW
75.86724 41.6 deg 313.736 deg Fox Islands, Aleutian Islands 1994/07/29 00:17:48 GMT (52.4, -168.3) 33 km 5.9 MB, 5.6 MS, 5.8 UNKNOWN, 5.6 ML
72.47605 87.1 deg 247.673 deg Vanuatu Islands 1994/05/04 06:37:37 GMT (-17.1, 168.3) 221 km 5.7 MB
72.152435 86.7 deg 248.698 deg Vanuatu Islands 1994/04/26 23:36:45 GMT (-16.0, 168.0) 187 km 5.6 MB
69.2601 65.2 deg 129.608 deg Southern Peru 1994/06/16 18:41:31 GMT (-15.2, -70.3) 225 km 5.6 MB, 5.8 UNKNOWN, 6.1 MW
67.661736 61.9 deg 316.212 deg Near East Coast Of Kamchatka 1994/08/02 14:17:54 GMT (52.4, 158.1) 170 km 5.8 MB, 5.9 UNKNOWN, 5.8 MW
66.9535 76.7 deg 233.362 deg Tonga Islands 1994/04/27 09:23:27 GMT (-21.5, -173.7) 35 km 6.2 MB, 6.1 MS, 6.0 UNKNOWN, 6.4 MW
63.285046 72.3 deg 237.284 deg Tonga Islands 1994/07/23 12:58:00 GMT (-15.7, -173.1) 33 km 5.6 MS, 5.3 MB
61.821445 75.9 deg 239.751 deg Fiji Islands Region 1994/07/05 02:59:42 GMT (-16.3, -177.5) 413 km 5.4 MB, 5.8 UNKNOWN
60.908203 81.0 deg 236.738 deg Fiji Islands Region 1994/03/31 22:40:53 GMT (-22.0, -179.6) 591 km 5.9 MB, 6.5 UNKNOWN, 6.5 MW
58.808903 69.8 deg 310.585 deg East Of Kuril Islands 1994/08/14 00:46:22 GMT (44.7, 150.1) 33 km 5.9 MB, 5.8 MS, 5.4 UNKNOWN, 6.1 MW
54.517902 79.3 deg 133.771 deg Santiago Del Estero Prov., Arg. 1994/04/29 07:11:30 GMT (-28.3, -63.2) 573 km 6.4 MB, 6.0 UNKNOWN, 6.9 MW
44.737015 68.9 deg 132.485 deg Northern Chile 1994/05/10 01:49:03 GMT (-19.7, -69.8) 53 km 5.8 MB, 4.9 UNKNOWN, 5.9 MW