Station XG POS - Poncha Springs, CO

Network: XG92 - Rocky Mountain Front

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
POS Poncha Springs, CO (38.56, -106.12) 1992-05-23 / 2499-01-01 2525 m
Crust2 Type:P4,orogen/50km, Urals, Tethian Orogen, Rockies 1 km seds.
Thickness Estimate:46 km
Thickness StdDev:4.2 km
Vp/Vs Estimate:1.77
Vp/Vs StdDev:0.10
Vs Estimate:3.568 km/s
Poisson's Ratio:0.26
Peak Value:0.19
Assumed Vp:6.306 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.563
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

1 with match > 90% ( 50.0 %) and 2 with match > 80% ( 100.0 %) out of 2.

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Azimuth Distribution of Events:

Prior Results for this Station

Study Thickness Vp/Vs Vp Vs Poissons Ratio Extra
EARS 46 km 1.77 6.306 km/s 3.568 km/s 0.26
Crust2.0 50 km 1.76 6.306 km/s 3.584 km/s 0.26 P4,orogen/50km, Urals, Tethian Orogen, Rockies 1 km seds.
Global Maxima 46 km 1.77 6.306 km/s 3.568 km/s 0.26 amp=0.18959723
Local Maxima 1 36 km 1.95 6.306 km/s 3.238 km/s 0.32 amp=0.08761688
Local Maxima 2 66 km 1.90 6.306 km/s 3.323 km/s 0.31 amp=0.07184246
Local Maxima 3 42 km 1.93 6.306 km/s 3.259 km/s 0.32 amp=0.053649515
Local Maxima 4 61 km 1.60 6.306 km/s 3.941 km/s 0.18 amp=0.05088448
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps5.57 SECOND
PpPs20.08 SECOND
PsPs/PpSs25.65 SECOND

Events Processed for this Station

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View Record Section

Plot maxima for each earthquake.

Events Used in the Stack

(2 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
92.811676 31.5 deg 143.024 deg Near Coast Of Nicaragua 1992/09/02 00:15:57 GMT (11.8, -87.4) 10 km 5.3 MB, 7.2 MS
85.0535 50.3 deg 140.335 deg Northern Peru 1992/07/13 18:11:34 GMT (-3.9, -76.6) 100 km 6.2 MB

Losers

(0 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason