Station II KWAJ - Kwajalein Atoll, Pacific Ocean

Network: II - Global Seismograph Network (GSN - IRIS/IDA)

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
KWAJ Kwajalein Atoll, Pacific Ocean (8.80, 167.61) 1999-06-22 / 2499-01-01 0.0 m
Crust2 Type:B0,melt affected o.c. and oceanic plateaus, 0.10 km seds.
Thickness Estimate:14 km
Thickness StdDev:1.6 km
Vp/Vs Estimate:1.73
Vp/Vs StdDev:0.08
Vs Estimate:2.776 km/s
Poisson's Ratio:0.25
Peak Value:0.07
Assumed Vp:4.802 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.363
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

1 with match > 90% ( 12.5 %) and 7 with match > 80% ( 87.5 %) out of 8.

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 14 km 1.73 4.802 km/s 2.776 km/s 0.25
Crust2.0 16 km 2.06 4.802 km/s 2.335 km/s 0.35 B0,melt affected o.c. and oceanic plateaus, 0.10 km seds.
Global Maxima 14 km 1.73 4.802 km/s 2.776 km/s 0.25 amp=0.06720111
Local Maxima 1 10 km 1.60 4.802 km/s 3.001 km/s 0.18 amp=0.025855172
Local Maxima 2 16 km 1.60 4.802 km/s 3.001 km/s 0.18 amp=0.02390299
Local Maxima 3 26 km 1.60 4.802 km/s 3.001 km/s 0.18 amp=0.020897934
Local Maxima 4 12 km 2.10 4.802 km/s 2.289 km/s 0.35 amp=0.01843
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps2.20 SECOND
PpPs8.24 SECOND
PsPs/PpSs10.45 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

(7 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
91.05599 45.0 deg 259.55 deg Sulawesi, Indonesia 2000/05/04 04:21:16 GMT (-1.1, 123.6) 26 km 6.7 MB, 7.5 MS, 7.6 MW, 7.5 ME
85.90329 42.1 deg 253.88 deg Banda Sea 2000/08/28 15:05:47 GMT (-4.1, 127.4) 16 km 6.5 MB, 6.8 MS, 6.8 MW, 6.7 ME
85.52774 37.1 deg 325.758 deg Near East Coast Of Honshu, Japan 2005/12/02 13:13:09 GMT (38.1, 142.1) 29 km 6.1 MB, 6.3 MS, 6.5 MW, 6.4 MW
85.12284 63.3 deg 20.766 deg Central Alaska 2002/11/03 22:12:41 GMT (63.5, -147.4) 4.9 km 7.0 MB, 8.5 MS, 7.9 MW
84.363716 31.8 deg 154.0 deg Fiji Islands Region 2006/01/02 22:13:40 GMT (-19.9, -178.2) 583 km 6.5 MB, 7.2 MW, 7.1 MW
81.217705 31.2 deg 144.915 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
80.040016 46.3 deg 292.907 deg Taiwan Region 2004/05/19 07:04:11 GMT (22.7, 121.5) 20 km 5.8 MB, 6.1 MS, 6.2 MW, 6.1 MW

Losers

(1 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
59.85258 70.5 deg 268.816 deg Northern Sumatra, Indonesia 2005/07/05 01:52:02 GMT (1.8, 97.1) 21 km 6.2 MB, 6.8 MS, 6.7 MW, 6.6 MW