Station XB OHIG - Base OHiggins, Antarctica

Network: XB97 - Seismic Experiment in Patagonia and Antarctica

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
OHIG Base OHiggins, Antarctica (-63.32, -57.90) 1997-01-28 / 2000-12-31 10 m
Crust2 Type:S1,continental slope, margin, transition 1 km seds.
Thickness Estimate:33 km
Thickness StdDev:7.3 km
Vp/Vs Estimate:1.79
Vp/Vs StdDev:0.10
Vs Estimate:3.449 km/s
Poisson's Ratio:0.27
Peak Value:0.02
Assumed Vp:6.183 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.781
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

1 with match > 90% ( 6.6666665 %) and 3 with match > 80% ( 20.0 %) out of 15.

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 33 km 1.79 6.183 km/s 3.449 km/s 0.27
Crust2.0 23 km 1.81 6.183 km/s 3.422 km/s 0.28 S1,continental slope, margin, transition 1 km seds.
Global Maxima 33 km 1.79 6.183 km/s 3.449 km/s 0.27 amp=0.02361021
Local Maxima 1 20 km 1.63 6.183 km/s 3.799 km/s 0.20 amp=0.02271278
Local Maxima 2 42 km 1.60 6.183 km/s 3.864 km/s 0.18 amp=0.018685631
Local Maxima 3 21 km 1.80 6.183 km/s 3.435 km/s 0.28 amp=0.01382312
Local Maxima 4 32 km 1.83 6.183 km/s 3.383 km/s 0.29 amp=0.013319127
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps4.26 SECOND
PpPs15.02 SECOND
PsPs/PpSs19.28 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

(3 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
92.47606 76.7 deg 231.621 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
87.76573 82.4 deg 235.009 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
86.72763 33.5 deg 338.979 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

Losers

(12 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
79.687904 68.3 deg 340.785 deg Colombia 1997/09/02 12:13:22 GMT (3.8, -75.7) 199 km 6.5 MB, 6.8 UNKNOWN, 6.4 ME
71.523026 83.3 deg 232.409 deg South Of Fiji Islands 1997/12/26 05:34:24 GMT (-22.3, -179.7) 588 km 5.9 UNKNOWN, 5.3 MB, 5.8 MW
70.33737 76.4 deg 231.441 deg Kermadec Islands, New Zealand 1997/11/18 15:41:29 GMT (-29.1, -177.7) 52 km 5.7 MB, 5.5 MS
53.237694 44.9 deg 209.544 deg Balleny Islands Region 1997/09/23 17:51:23 GMT (-65.5, 178.8) 10 km 5.9 MS, 5.0 MB
51.839195 81.7 deg 326.385 deg Near Coast Of Chiapas, Mexico 1997/12/25 22:16:19 GMT (14.1, -92.3) 10 km 5.4 MB, 5.3 MS, 5.8 UNKNOWN, 5.5 MD
48.40928 84.3 deg 233.335 deg Fiji Islands Region 1997/11/04 10:40:43 GMT (-21.0, -179.2) 621 km 5.7 UNKNOWN, 5.1 MB
48.09484 41.5 deg 345.186 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
47.894657 80.6 deg 329.616 deg El Salvador 1997/11/09 22:56:42 GMT (13.8, -88.8) 176 km 5.6 MB, 6.4 UNKNOWN, 5.0 MD
46.894962 68.4 deg 340.758 deg Colombia 1997/12/11 07:56:28 GMT (3.9, -75.8) 178 km 6.0 MB, 6.4 UNKNOWN, 6.3 MW
45.027676 35.4 deg 249.393 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
33.879177 82.1 deg 236.64 deg Tonga Islands 1997/10/19 15:53:38 GMT (-21.8, -175.0) 33 km 5.6 MB, 5.9 MS
30.9794 43.6 deg 345.69 deg Chile-Bolivia Border Region 1997/12/09 14:23:45 GMT (-20.2, -68.4) 133 km 5.7 MB, 5.7 UNKNOWN, 5.7 MW