[rCMT] Mw=6.9 SOUTH OF MARIANA ISLANDS
USGS research CMT
researchcmt at geohazards.cr.usgs.gov
Sun Sep 30 02:45:11 GMT 2007
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2007hxah SOUTH OF MARIANA ISLANDS
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CTAO INCN MAJO PET TLY ULN YAK YSS
Origin time: 2007 273 2 8 29
Original location (lat,lon,depth) : 10.50000 145.600 10
Moment tensor (x1.e26 dyncm) :
Mrr : 0.356323 Mtt : 1.388445
Mff : -1.744768 Mrt : -1.524484
Mrf : -0.384115 Mtf : 2.331066
T-axis: moment= 3.401 plunge= 26.780 azimuth= 153.662
N-axis: moment= -0.366 plunge= 62.110 azimuth= 316.142
P-axis: moment= -3.035 plunge= 7.222 azimuth= 59.995
best double couple: Mo= 3.218(x1.e26 dyncm) Mw=6.9 tau= 8.2
nodal planes (strike/dip/slip): 193.61/ 65.95/165.43 289.66/ 76.72/ 24.75
Centroid location : 10.758 146.573 10.000
Centroid time : 3.125
Variance reduction (%) : 79
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 1 0 0 0 0 1 2 1 0 0 0 0
r-comp: 1 0 0 0 0 1 4 2 0 0 0 0
t-comp: 1 0 0 0 0 1 4 2 0 0 0 0
Total number of traces used = 21
number of runs = 9
starttime = Sat Sep 29 20:21:52 MDT 2007
endtime = Sat Sep 29 20:45:08 MDT 2007
inversion time = Sat Sep 29 20:44:58 MDT 2007 - Sat Sep 29 20:45:07 MDT 2007
Solution produced by inversion of channels with var red > 2%
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