Station XC EWZA - Erewhon

Network: XC95 - Southern Alps Passive Seismic Experiment

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
EWZA Erewhon (-43.51, 170.85) 1995-11-11 / 1996-12-31 625 m
Crust2 Type:K2,forearc, New Zealand, 0.7 km seds.
Thickness Estimate:42 km
Thickness StdDev:10 km
Vp/Vs Estimate:1.65
Vp/Vs StdDev:0.08
Vs Estimate:3.922 km/s
Poisson's Ratio:0.21
Peak Value:0.05
Assumed Vp:6.461 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.857
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

2 with match > 90% ( 15.384615 %) and 3 with match > 80% ( 23.076923 %) out of 13.

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 42 km 1.65 6.461 km/s 3.922 km/s 0.21
Crust2.0 35 km 1.76 6.461 km/s 3.663 km/s 0.26 K2,forearc, New Zealand, 0.7 km seds.
Global Maxima 42 km 1.65 6.461 km/s 3.922 km/s 0.21 amp=0.05174076
Local Maxima 1 27 km 1.82 6.461 km/s 3.545 km/s 0.28 amp=0.048031263
Local Maxima 2 56 km 1.66 6.461 km/s 3.881 km/s 0.22 amp=0.033733916
Local Maxima 3 38 km 2.04 6.461 km/s 3.175 km/s 0.34 amp=0.03023256
Local Maxima 4 27 km 1.75 6.461 km/s 3.682 km/s 0.26 amp=0.023932017
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps4.16 SECOND
PpPs17.00 SECOND
PsPs/PpSs21.16 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
97.28851 63.2 deg 299.678 deg Minahassa Peninsula, Sulawesi 1996/01/01 08:05:11 GMT (0.7, 120.0) 33 km 6.2 MB, 7.7 MS, 7.8 UNKNOWN, 7.8 MW
93.10415 52.0 deg 315.065 deg Irian Jaya Region, Indonesia 1996/02/17 05:59:29 GMT (-0.9, 137.0) 33 km 6.5 MB, 8.1 MS, 7.9 UNKNOWN
84.476105 48.0 deg 316.911 deg Irian Jaya, Indonesia 1995/12/19 23:28:12 GMT (-3.7, 140.3) 71 km 6.2 MB, 6.5 UNKNOWN

Losers

(10 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
77.17659 89.8 deg 344.829 deg Kuril Islands 1995/12/03 18:01:08 GMT (44.6, 149.4) 33 km 6.6 MB, 8.0 MS
62.73843 60.3 deg 305.868 deg Northern Molucca Sea 1996/02/28 09:44:09 GMT (1.7, 126.1) 103 km 6.1 MB, 6.4 UNKNOWN, 6.4 MW
61.84531 43.0 deg 323.251 deg Eastern New Guinea Reg., P.N.G. 1996/02/09 17:33:52 GMT (-6.0, 146.6) 54 km 5.6 MB, 5.8 MS, 6.0 UNKNOWN, 5.9 MW
60.742104 52.9 deg 314.055 deg Irian Jaya Region, Indonesia 1996/02/17 14:21:23 GMT (-0.6, 135.9) 33 km 5.8 MB, 6.7 MS, 6.7 UNKNOWN, 6.4 MW
51.49955 77.6 deg 333.008 deg Southeast Of Honshu, Japan 1996/02/14 21:26:56 GMT (29.2, 140.4) 142 km 5.9 MB
50.336338 49.6 deg 307.726 deg Aru Islands Region, Indonesia 1996/01/10 22:36:03 GMT (-6.1, 133.6) 37 km 5.8 MB, 5.6 MS, 6.0 UNKNOWN, 5.9 MW
49.315865 73.1 deg 308.9 deg Mindoro, Philippines 1996/02/18 09:57:16 GMT (13.9, 120.8) 242 km 5.6 UNKNOWN, 5.4 MB
47.759987 61.4 deg 307.606 deg Talaud Islands, Indonesia 1995/11/13 02:17:51 GMT (3.6, 126.7) 33 km 5.8 MB, 6.1 MS, 6.3 UNKNOWN, 6.1 MW
45.831787 81.2 deg 282.695 deg Off W Coast Of Northern Sumatra 1995/11/22 13:27:53 GMT (3.1, 95.9) 28 km 5.5 MB, 5.7 MS, 5.8 UNKNOWN, 5.8 MW
13.913741 89.7 deg 344.796 deg Kuril Islands 1996/01/31 20:30:47 GMT (44.5, 149.4) 58 km 5.8 MB, 6.1 UNKNOWN, 5.9 MW