Station XT TWIN - XT.TWIN
Network: XT97 - Colorado BB Array - Lodore
Nearby stations (2 deg radius)
Station | Name | (Lat, Lon) | Start / End | Elevation |
TWIN | XT.TWIN | (40.76, -108.38) | 1997-08-01 / 1998-07-15 | 1883 m |
Crust2 Type: | Q4,orogen/43km no ice, Tethian Belt, 5 km seds. |
Thickness Estimate: | 46 km |
Thickness StdDev: | 8.2 km |
Vp/Vs Estimate: | 1.63 |
Vp/Vs StdDev: | 0.17 |
Vs Estimate: | 3.814 km/s |
Poisson's Ratio: | 0.20 |
Peak Value: | 0.04 |
Assumed Vp: | 6.207 km/s |
Ps Weight: | 0.33333334 |
PpPs Weight: | 0.33333334 |
PsPs Weight: | 0.33333328 |
Residual Complexity: | 0.670 |
Nearby stations H: | +- |
(2.0 deg) Vp/Vs: | +- |
2 with match > 90% ( 6.25 %) and 5 with match > 80% ( 15.625 %) out of 32.
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 | 46 km | 1.63 | 6.207 km/s | 3.814 km/s | 0.20 | |
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 | 46 km | 1.63 | 6.207 km/s | 3.814 km/s | 0.20 | amp=0.043474477 |
Local Maxima 1 | 27 km | 2.10 | 6.207 km/s | 2.959 km/s | 0.35 | amp=0.032268547 |
Local Maxima 2 | 40 km | 1.78 | 6.207 km/s | 3.487 km/s | 0.27 | amp=0.021843186 |
Local Maxima 3 | 52 km | 1.60 | 6.207 km/s | 3.879 km/s | 0.18 | amp=0.020398645 |
Local Maxima 4 | 69 km | 2.05 | 6.207 km/s | 3.028 km/s | 0.34 | amp=0.011227341 |
Predicted Arrivals for vertical incidence (zero ray parameter) | |
Ps | 4.70 SECOND |
PpPs | 19.68 SECOND |
PsPs/PpSs | 24.39 SECOND |
Events Processed for this Station
Download zip of receiver functions as SAC
Plot maxima for each earthquake.
Events Used in the Stack
(5 events)Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude |
93.974304 | 89.1 deg | 239.577 deg | South Of Fiji Islands | 1997/10/14 09:53:18 GMT | (-22.1, -176.8) | 167 km | 6.7 MB, 7.7 UNKNOWN, 7.4 ME |
92.36965 | 57.7 deg | 316.845 deg | Near East Coast Of Kamchatka | 1997/12/05 11:26:54 GMT | (54.8, 162.0) | 33 km | 6.3 MB, 7.6 MS, 7.9 UNKNOWN, 7.3 ME |
85.28395 | 53.5 deg | 139.297 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 |
84.89166 | 79.2 deg | 148.097 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 |
80.574394 | 30.1 deg | 145.848 deg | Guatemala | 1998/01/10 08:20:05 GMT | (14.4, -91.5) | 33 km | 6.1 MB, 6.2 MS, 6.6 UNKNOWN, 6.6 ME |
Losers
(27 events)Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude | Reason |
84.07883 | 59.7 deg | 315.434 deg | Off East Coast Of Kamchatka | 1998/06/01 05:34:03 GMT | (52.9, 160.1) | 44 km | 6.2 MB, 6.3 MS, 6.5 UNKNOWN, 6.4 MW | |
82.90019 | 87.4 deg | 244.335 deg | Fiji Islands Region | 1998/03/29 19:48:16 GMT | (-17.6, -179.1) | 537 km | 6.5 MB, 7.2 UNKNOWN, 7.1 MW | |
79.47196 | 94.2 deg | 235.471 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 | |
78.501076 | 86.3 deg | 154.973 deg | Off Coast Of Southern Chile | 1998/04/01 22:42:56 GMT | (-40.3, -74.9) | 9.0 km | 6.2 MB, 6.0 MS, 6.7 UNKNOWN, 6.6 ME | |
76.61776 | 96.3 deg | 235.014 deg | Kermadec Islands, New Zealand | 1998/07/09 14:45:39 GMT | (-30.5, -179.0) | 130 km | 6.2 MB, 6.2 MS, 6.9 UNKNOWN, 6.4 ME | |
74.87894 | 57.4 deg | 316.396 deg | Near East Coast Of Kamchatka | 1997/12/07 17:56:18 GMT | (54.7, 162.9) | 33 km | 5.6 MB, 6.0 MS, 6.3 UNKNOWN, 6.1 MW | |
74.144394 | 49.7 deg | 307.964 deg | Rat Islands, Aleutian Islands | 1997/12/17 04:38:51 GMT | (51.2, 178.9) | 20 km | 5.8 MB, 6.5 MS, 6.7 UNKNOWN, 6.1 ME | |
73.977684 | 65.5 deg | 137.088 deg | Peru-Bolivia Border Region | 1997/11/28 22:53:41 GMT | (-13.7, -68.8) | 586 km | 6.4 MB, 6.6 UNKNOWN, 6.6 MW | |
73.62874 | 79.2 deg | 148.269 deg | Near Coast Of Central Chile | 1998/01/12 10:14:07 GMT | (-31.0, -71.4) | 35 km | 5.8 MB, 6.2 MS, 6.6 UNKNOWN, 6.2 ME | |
73.4205 | 31.1 deg | 145.211 deg | Near Coast Of Guatemala | 1998/05/10 06:05:58 GMT | (13.7, -90.7) | 33 km | 5.3 MB, 5.9 MS, 6.3 UNKNOWN, 5.3 MD | |
72.5471 | 91.0 deg | 241.274 deg | South Of Fiji Islands | 1998/05/16 02:22:03 GMT | (-22.2, -179.5) | 586 km | 6.1 MB, 6.8 UNKNOWN | |
72.53395 | 80.0 deg | 310.477 deg | Near East Coast Of Honshu, Japan | 1998/04/09 08:45:40 GMT | (36.9, 140.8) | 111 km | 5.6 UNKNOWN, 5.3 MB, 5.5 MW | |
70.37191 | 45.0 deg | 176.209 deg | Central East Pacific Rise | 1997/08/15 07:37:49 GMT | (-4.4, -105.7) | 10 km | 5.3 MB, 5.8 MS, 6.2 UNKNOWN, 6.1 MW | |
64.882614 | 58.4 deg | 316.009 deg | Off East Coast Of Kamchatka | 1997/12/05 11:35:19 GMT | (53.9, 161.6) | 33 km | 5.7 MB | |
62.608643 | 76.1 deg | 319.791 deg | Primor'ye, Russia | 1997/10/01 06:05:48 GMT | (46.2, 136.1) | 416 km | 5.5 UNKNOWN, 5.2 MB | |
60.49983 | 46.9 deg | 132.638 deg | Colombia | 1997/12/11 07:56:28 GMT | (3.9, -75.8) | 178 km | 6.0 MB, 6.4 UNKNOWN, 6.3 MW | |
59.93601 | 31.2 deg | 144.431 deg | Near Coast Of Guatemala | 1997/12/22 10:03:45 GMT | (13.7, -90.3) | 59 km | 5.1 MB, 6.1 UNKNOWN, 5.2 MD | |
56.205124 | 95.4 deg | 239.486 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 | |
54.374035 | 95.4 deg | 234.641 deg | Kermadec Islands, New Zealand | 1998/06/20 20:24:45 GMT | (-30.1, -177.9) | 57 km | 5.7 MB, 6.0 UNKNOWN, 6.0 MW | |
52.383007 | 89.6 deg | 241.789 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 | |
51.762177 | 31.8 deg | 141.756 deg | El Salvador | 1997/12/18 15:02:00 GMT | (13.8, -88.7) | 182 km | 5.3 MB, 6.1 UNKNOWN, 6.0 MW | |
50.60912 | 41.9 deg | 307.092 deg | Fox Islands, Aleutian Islands | 1998/01/23 09:20:08 GMT | (52.4, -168.6) | 33 km | 5.8 MB, 5.5 MS, 5.8 UNKNOWN, 5.5 ML | |
50.26089 | 73.0 deg | 141.595 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 | |
49.87803 | 65.5 deg | 140.859 deg | Southern Peru | 1998/04/12 23:49:35 GMT | (-15.5, -71.8) | 33 km | 5.6 MB, 5.4 MS, 6.1 UNKNOWN, 5.6 MW | |
49.38098 | 84.0 deg | 309.569 deg | Southeast Of Honshu, Japan | 1998/02/28 17:38:48 GMT | (33.5, 138.1) | 291 km | 5.7 UNKNOWN, 5.3 MB, 5.7 MW | |
44.70186 | 81.1 deg | 145.806 deg | San Juan Province, Argentina | 1998/06/07 16:10:46 GMT | (-31.5, -67.8) | 113 km | 5.6 MB, 5.9 UNKNOWN, 5.9 MW | |
43.21139 | 88.8 deg | 241.155 deg | Fiji Islands Region | 1997/08/25 11:59:00 GMT | (-20.8, -177.8) | 394 km | 5.5 UNKNOWN, 5.3 MB |