Station XL S214 - Birch Spring Draw

Network: XL97 - Deep Probe (Archean-Proterozoic)

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
S214 Birch Spring Draw (40.97, -109.86) 1997-08-19 / 1997-12-31 2377 m
Crust2 Type:Q4,orogen/43km no ice, Tethian Belt, 5 km seds.
Thickness Estimate:28 km
Thickness StdDev:5.4 km
Vp/Vs Estimate:2.09
Vp/Vs StdDev:0.17
Vs Estimate:2.966 km/s
Poisson's Ratio:0.35
Peak Value:0.07
Assumed Vp:6.207 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.747
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

3 with match > 90% ( 33.333332 %) and 3 with match > 80% ( 33.333332 %) out of 9.

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Azimuth Distribution of Events:

Prior Results for this Station

Study Thickness Vp/Vs Vp Vs Poissons Ratio Extra
EARS 28 km 2.09 6.207 km/s 2.966 km/s 0.35
Crust2.0 43 km 1.76 6.207 km/s 3.535 km/s 0.26 Q4,orogen/43km no ice, Tethian Belt, 5 km seds.
Global Maxima 28 km 2.09 6.207 km/s 2.966 km/s 0.35 amp=0.070096046
Local Maxima 1 32 km 1.87 6.207 km/s 3.315 km/s 0.30 amp=0.052756898
Local Maxima 2 28 km 1.89 6.207 km/s 3.288 km/s 0.30 amp=0.046856828
Local Maxima 3 39 km 1.68 6.207 km/s 3.689 km/s 0.23 amp=0.04367709
Local Maxima 4 44 km 1.60 6.207 km/s 3.873 km/s 0.18 amp=0.031339817
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps5.02 SECOND
PpPs14.20 SECOND
PsPs/PpSs19.22 SECOND

Events Processed for this Station

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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
92.04907 48.0 deg 131.149 deg Colombia 1997/09/02 12:13:22 GMT (3.8, -75.7) 199 km 6.5 MB, 6.8 UNKNOWN, 6.4 ME
91.34579 80.0 deg 146.98 deg Near Coast Of Central Chile 1997/10/15 01:03:33 GMT (-30.9, -71.2) 58 km 6.8 MB, 6.8 MS, 7.3 UNKNOWN, 7.1 MW
91.014175 54.4 deg 137.821 deg Northern Peru 1997/10/28 06:15:17 GMT (-4.4, -76.7) 112 km 6.6 MB, 6.3 MS, 7.2 UNKNOWN, 6.6 ME

Losers

(6 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
73.18191 86.1 deg 237.507 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
70.29205 93.4 deg 234.562 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
67.86162 73.9 deg 140.41 deg Northern Chile 1997/09/28 23:13:13 GMT (-22.4, -68.4) 107 km 5.7 MB, 5.6 UNKNOWN, 5.6 MW
58.60368 88.7 deg 240.814 deg Fiji Islands Region 1997/10/17 15:02:00 GMT (-20.9, -178.8) 579 km 5.3 MB, 6.0 UNKNOWN, 6.0 MW
52.70341 94.5 deg 238.587 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
40.548805 97.2 deg 190.915 deg Pacific-Antarctic Ridge 1997/09/03 06:22:44 GMT (-55.2, -129.0) 10 km 5.1 MB, 6.0 MS, 6.1 UNKNOWN, 6.0 MW