[rCMT] Mw=6.0 MARIANA ISLANDS REGION
USGS research CMT
researchcmt at geohazards.cr.usgs.gov
Sat Oct 6 13:10:44 GMT 2007
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2007ida2 MARIANA ISLANDS REGION
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CTAO INCN PET PMG TLY ULN YAK YSS
Origin time: 2007 279 12 38 54
Original location (lat,lon,depth) : 18.7000 147.200 64
Moment tensor (x1.e26 dyncm) :
Mrr : 0.010634 Mtt : -0.021529
Mff : 0.010895 Mrt : -0.035749
Mrf : 0.086909 Mtf : -0.072498
T-axis: moment= 0.136 plunge= 36.395 azimuth= 236.495
N-axis: moment= -0.043 plunge= 42.761 azimuth= 9.467
P-axis: moment= -0.093 plunge= 25.621 azimuth= 125.793
best double couple: Mo= 0.114(x1.e26 dyncm) Mw=6.0 tau= 2.7
nodal planes (strike/dip/slip): 3.39/ 83.47/ 46.89 266.46/ 43.50/170.49
Centroid location : 19.266 147.770 10.000
Centroid time : -1.555
Variance reduction (%) : 32
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**--ooo--------- o ooo**
*-oo------------- o oo*
**oo---------------- o o**
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 0 0 0 0 1 2 2 0 0 0 1
r-comp: 0 0 0 0 0 1 2 3 0 0 0 1
t-comp: 0 0 0 0 0 1 2 2 0 0 0 2
Total number of traces used = 20
number of runs = 5
starttime = Sat Oct 6 06:58:24 MDT 2007
endtime = Sat Oct 6 07:10:41 MDT 2007
inversion time = Sat Oct 6 07:10:33 MDT 2007 - Sat Oct 6 07:10:41 MDT 2007
Solution produced by inversion of channels with var red > 2%
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