[rCMT] Mw=6.5 SANTA CRUZ ISLANDS REGION
USGS research CMT
researchcmt at geohazards.usgs.gov
Sat Jul 19 10:21:58 GMT 2008
AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region : 2008uraw SANTA CRUZ ISLANDS REGION
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CASY INCN KIP MAJO PET RPN TLY ULN YAK
Origin time: 2008 201 9 27 5
Original location (lat,lon,depth) : -11.0000 164.500 38
Moment tensor (x1.e26 dyncm) :
Mrr : -0.635269 Mtt : 0.089157
Mff : 0.546112 Mrt : 0.040246
Mrf : -0.029380 Mtf : 0.393562
T-axis: moment= 0.773 plunge= 0.219 azimuth= 119.920
N-axis: moment= -0.133 plunge= 5.627 azimuth= 29.898
P-axis: moment= -0.640 plunge= 84.368 azimuth= 212.145
best double couple: Mo= 0.706(x1.e26 dyncm) Mw=6.5 tau= 4.9
nodal planes (strike/dip/slip): 24.34/ 45.49/-97.90 215.54/ 45.06/-82.04
Centroid location : -9.754 165.000 10.000
Centroid time : 10.352
Variance reduction (%) : 61
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 0 1 0 1 0 2 2 0 0 0 1
r-comp: 0 0 1 0 1 0 3 2 0 0 0 0
t-comp: 0 0 1 0 0 0 3 1 0 0 0 0
Total number of traces used = 19
number of runs = 9
starttime = Sat Jul 19 04:00:05 MDT 2008
endtime = Sat Jul 19 04:21:56 MDT 2008
inversion time = Sat Jul 19 04:21:49 MDT 2008 - Sat Jul 19 04:21:55 MDT 2008
Solution produced by inversion of channels with var red > 2%
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