[rCMT] (Update) Mw=7.2 SANTA CRUZ ISLANDS
USGS research CMT
researchcmt at geohazards.cr.usgs.gov
Sun Sep 2 20:06:00 GMT 2007
HUMAN REVIEWED solution
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Initial depth was changed from 156 to 18 km
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General region : 2007guae SANTA CRUZ ISLANDS
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : ARU BFO CASY COR DGAR ESK GNI HKT INCN KEV KIP KIV KMBO KONO KURK LSZ LVC LVZ MAJO OTAV PET PMSA SD
Origin time: 2007 245 1 5 32
Original location (lat,lon,depth) : -11.6000 165.600 18
Moment tensor (x1.e26 dyncm) :
Mrr : 6.233782 Mtt : -1.393333
Mff : -4.840449 Mrt : 3.888640
Mrf : -4.821543 Mtf : 1.650229
T-axis: moment= 8.992 plunge= 65.814 azimuth= 43.607
N-axis: moment= -0.951 plunge= 6.852 azimuth= 149.126
P-axis: moment= -8.041 plunge= 23.076 azimuth= 242.061
best double couple: Mo= 8.516(x1.e26 dyncm) Mw=7.2 tau= 11.3
nodal planes (strike/dip/slip): 345.78/ 22.75/107.97 146.40/ 68.41/ 82.63
Centroid location : -11.636 165.372 23.434
Centroid time : -0.658
Variance reduction (%) : 85
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* oo----------T---------o---*
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* oo----------------oo--*
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 1 1 1 2 4 1 8 6 0 2 3 2
r-comp: 0 1 1 3 3 1 7 6 0 0 2 1
t-comp: 0 1 0 0 3 0 2 4 0 0 1 1
Total number of traces used = 68
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