Station XK S20 - South 20

Network: XK99 - CDROM (Colorado)

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
S20 South 20 (35.51, -105.22) 1999-04-16 / 2000-12-31 1902 m
Crust2 Type:Q2,orogen/39km no ice, Appalachians, North Andes, 0.5 km seds.
Thickness Estimate:47 km
Thickness StdDev:9.8 km
Vp/Vs Estimate:1.72
Vp/Vs StdDev:0.06
Vs Estimate:3.727 km/s
Poisson's Ratio:0.25
Peak Value:0.01
Assumed Vp:6.419 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.585
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

11 with match > 90% ( 50.0 %) and 22 with match > 80% ( 100.0 %) out of 22.

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 47 km 1.72 6.419 km/s 3.727 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 47 km 1.72 6.419 km/s 3.727 km/s 0.25 amp=0.012088203
Local Maxima 1 28 km 1.60 6.419 km/s 4.012 km/s 0.18 amp=0.012012529
Local Maxima 2 48 km 1.70 6.419 km/s 3.776 km/s 0.24 amp=0.004890774
Local Maxima 3 40 km 1.88 6.419 km/s 3.424 km/s 0.30 amp=0.003870598
Local Maxima 4 31 km 1.60 6.419 km/s 4.012 km/s 0.18 amp=0.0036237307
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps5.29 SECOND
PpPs19.93 SECOND
PsPs/PpSs25.22 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

(22 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
98.27067 93.0 deg 300.088 deg Volcano Islands, Japan Region 2000/03/28 11:00:22 GMT (22.3, 143.7) 126 km 6.8 MB, 7.6 MS, 7.6 MW, 7.6 MW
96.93614 83.6 deg 244.094 deg Tonga Islands 2000/01/08 16:47:20 GMT (-16.9, -174.2) 183 km 6.5 MB, 6.6 MS, 7.2 MW, 7.0 ME
95.397026 39.3 deg 319.603 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
94.27542 38.2 deg 318.335 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
93.832794 93.4 deg 237.071 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
92.435135 93.6 deg 32.515 deg Turkey 1999/08/17 00:01:39 GMT (40.7, 29.9) 17 km 6.3 MB, 7.8 MS, 7.7 ME, 7.6 MW
91.94349 94.1 deg 249.044 deg Vanuatu Islands Region 2000/02/25 01:43:58 GMT (-19.5, 173.8) 33 km 6.1 MB, 7.1 MS, 7.1 MW, 7.0 MW
91.608955 35.6 deg 130.416 deg Panama 2000/02/26 18:24:39 GMT (9.4, -78.5) 65 km 5.8 MB, 5.4 MS, 6.2 MW, 6.1 MW
91.16387 80.7 deg 156.939 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
90.91566 44.8 deg 138.795 deg Ecuador 1999/08/28 12:40:06 GMT (-1.3, -77.5) 196 km 5.9 MB, 6.3 MW, 6.2 MW
90.3565 51.9 deg 311.33 deg Andreanof Islands, Aleutian Is. 1999/08/01 12:47:50 GMT (51.5, -176.3) 33 km 5.5 MB, 5.5 MS, 5.8 MW, 5.8 MW
88.6981 53.1 deg 311.514 deg Andreanof Islands, Aleutian Is. 2000/04/21 04:35:17 GMT (51.4, -178.1) 33 km 6.0 MB, 5.7 MS, 6.2 ML, 6.0 MW
87.60684 74.9 deg 142.143 deg Santiago Del Estero Prov., Arg. 2000/04/23 09:27:23 GMT (-28.3, -63.0) 608 km 6.6 MB, 7.0 MW, 7.0 MW
87.535835 38.2 deg 323.154 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
86.85858 94.6 deg 235.839 deg Kermadec Islands, New Zealand 1999/08/01 08:39:04 GMT (-30.4, -177.8) 10 km 5.7 MB, 6.4 MS, 6.6 MW, 6.0 ME
86.81725 30.8 deg 326.955 deg Southeastern Alaska 2000/01/06 10:42:25 GMT (58.0, -136.9) 1.0 km 5.5 MB, 5.9 MS, 6.1 MW, 6.1 ML
85.41217 94.7 deg 236.001 deg Kermadec Islands, New Zealand 1999/07/28 10:08:20 GMT (-30.3, -178.0) 25 km 6.1 MB, 6.0 MS, 6.3 MW, 6.1 ME
84.14139 45.0 deg 139.347 deg Ecuador 1999/04/26 18:17:26 GMT (-1.6, -77.8) 173 km 5.6 MB, 6.0 MW, 6.0 MW
83.400925 66.7 deg 141.247 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
83.076515 82.7 deg 244.708 deg Tonga Islands 1999/12/07 21:29:49 GMT (-15.9, -174.0) 138 km 6.2 MB, 6.4 MW, 6.4 MW
81.449455 36.3 deg 139.809 deg South Of Panama 1999/12/28 12:46:58 GMT (5.6, -82.6) 10 km 5.4 MB, 5.5 MS, 5.9 MW, 5.5 ML
80.48171 39.3 deg 319.519 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

Losers

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