Station XT NAQA - Naqila

Network: XT01 - Seismic Array in Fiji and Tonga

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
NAQA Naqila (-17.96, 178.39) 2001-07-25 / 2002-12-31 0.1 km
Crust2 Type:B6,thick melt affected o.c., 0.5 km seds.
Thickness Estimate:22 km
Thickness StdDev:8.6 km
Vp/Vs Estimate:2.05
Vp/Vs StdDev:0.17
Vs Estimate:2.531 km/s
Poisson's Ratio:0.34
Peak Value:0.02
Assumed Vp:5.195 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.803
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

2 with match > 90% ( 40.0 %) and 5 with match > 80% ( 100.0 %) out of 5.

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 22 km 2.05 5.195 km/s 2.531 km/s 0.34
Crust2.0 24 km 1.98 5.195 km/s 2.627 km/s 0.33 B6,thick melt affected o.c., 0.5 km seds.
Global Maxima 22 km 2.05 5.195 km/s 2.531 km/s 0.34 amp=0.016067736
Local Maxima 1 40 km 1.76 5.195 km/s 2.943 km/s 0.26 amp=0.015630793
Local Maxima 2 57 km 1.77 5.195 km/s 2.931 km/s 0.27 amp=0.012124228
Local Maxima 3 50 km 1.61 5.195 km/s 3.227 km/s 0.19 amp=0.011030715
Local Maxima 4 42 km 2.07 5.195 km/s 2.513 km/s 0.35 amp=0.010522038
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps4.41 SECOND
PpPs12.78 SECOND
PsPs/PpSs17.19 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

(5 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
93.574104 58.5 deg 289.029 deg Mindanao, Philippines 2002/03/05 21:16:09 GMT (6.0, 124.2) 31 km 6.3 MB, 7.2 MS, 7.5 MW, 7.2 MW
91.60782 75.4 deg 326.347 deg E. Russia-N.E. China Border Reg. 2002/06/28 17:19:30 GMT (43.8, 130.7) 566 km 6.7 MB, 7.3 MW, 7.3 MW
87.555695 66.9 deg 329.299 deg Eastern Honshu, Japan 2001/12/02 13:01:53 GMT (39.4, 141.1) 124 km 6.1 MB, 6.5 MW, 6.5 MW
86.99803 72.9 deg 268.093 deg Sunda Strait, Indonesia 2002/06/27 05:50:35 GMT (-7.0, 104.2) 11 km 6.0 MB, 6.9 MS, 6.6 MW, 6.5 MW
80.39502 47.0 deg 304.868 deg W. Caroline Islands, Micronesia 2002/06/10 22:48:36 GMT (11.0, 140.7) 33 km 5.9 MB, 5.9 MS, 6.1 MW, 6.0 MW

Losers

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