Station XK S18 - South 18

Network: XK99 - CDROM (Colorado)

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
S18 South 18 (35.70, -105.17) 1999-04-18 / 2000-12-31 2010 m
Crust2 Type:Q2,orogen/39km no ice, Appalachians, North Andes, 0.5 km seds.
Thickness Estimate:26 km
Thickness StdDev:11 km
Vp/Vs Estimate:1.73
Vp/Vs StdDev:0.11
Vs Estimate:3.721 km/s
Poisson's Ratio:0.25
Peak Value:0.02
Assumed Vp:6.419 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.888
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

4 with match > 90% ( 36.363636 %) and 11 with match > 80% ( 100.0 %) out of 11.

Download stack as xyz text file.

Azimuth Distribution of Events:

Prior Results for this Station

Study Thickness Vp/Vs Vp Vs Poissons Ratio Extra
EARS 26 km 1.73 6.419 km/s 3.721 km/s 0.25
Crust2.0 39 km 1.75 6.419 km/s 3.659 km/s 0.26 Q2,orogen/39km no ice, Appalachians, North Andes, 0.5 km seds.
Global Maxima 26 km 1.73 6.419 km/s 3.721 km/s 0.25 amp=0.01771796
Local Maxima 1 50 km 1.74 6.419 km/s 3.684 km/s 0.25 amp=0.017671987
Local Maxima 2 42 km 1.91 6.419 km/s 3.365 km/s 0.31 amp=0.011138648
Local Maxima 3 37 km 1.90 6.419 km/s 3.374 km/s 0.31 amp=0.01076231
Local Maxima 4 59 km 1.60 6.419 km/s 4.006 km/s 0.18 amp=0.009630302
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps2.99 SECOND
PpPs11.25 SECOND
PsPs/PpSs14.24 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

(11 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
94.95771 38.1 deg 318.167 deg Kodiak Island Region, Alaska 1999/05/07 14:13:52 GMT (56.4, -152.9) 20 km 5.7 MB, 6.1 MS, 6.4 MW, 5.7 ME
93.82248 39.1 deg 319.444 deg Kodiak Island Region, Alaska 1999/12/06 23:12:33 GMT (57.4, -154.5) 66 km 6.8 MB, 7.0 MW, 7.0 ML
92.55317 93.5 deg 237.106 deg Kermadec Islands Region 1999/07/19 02:17:03 GMT (-28.6, -177.6) 39 km 6.3 MB, 6.2 MS, 6.4 MW, 6.3 ME
90.57789 64.1 deg 141.795 deg Northern Chile 1999/11/30 04:01:53 GMT (-18.9, -69.2) 128 km 6.2 MB, 6.6 MW, 6.5 MW
88.069084 38.1 deg 322.999 deg Kenai Peninsula, Alaska 1999/05/05 10:30:03 GMT (59.3, -151.5) 71 km 5.4 MB, 5.8 MW, 5.8 MW
87.95946 80.8 deg 156.984 deg Off Coast Of Southern Chile 1999/08/22 09:35:39 GMT (-40.5, -74.8) 33 km 6.2 MB, 5.8 MS, 6.4 MW, 6.2 MW
87.08527 79.6 deg 315.885 deg Hokkaido, Japan Region 1999/05/12 17:59:22 GMT (43.0, 143.8) 103 km 5.9 MB, 6.2 MW, 6.1 MW
86.15332 66.8 deg 141.338 deg Southern Bolivia 1999/09/15 03:01:24 GMT (-20.9, -67.3) 218 km 6.0 MB, 6.4 MW, 6.4 MW
83.46217 45.1 deg 139.525 deg Ecuador 1999/04/26 18:17:26 GMT (-1.6, -77.8) 173 km 5.6 MB, 6.0 MW, 6.0 MW
81.83857 39.1 deg 319.36 deg Kodiak Island Region, Alaska 1999/12/07 00:19:49 GMT (57.4, -154.5) 41 km 6.5 MB, 6.1 MS, 6.4 MW, 6.3 ML
81.11368 69.3 deg 316.26 deg Kuril Islands 1999/07/07 18:52:57 GMT (49.2, 155.6) 33 km 6.0 MB, 5.6 MS, 6.1 MW, 5.8 ME

Losers

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