[rCMT] Mw=6.2 KERMADEC ISLANDS REGION

USGS research CMT researchcmt at geohazards.usgs.gov
Tue Mar 18 02:21:02 MST 2008


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2008ptak KERMADEC ISLANDS REGION                           
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  CASY CTAO INCN KIP MAJO PET PMSA RPN TAU YSS                                                       
Origin time: 2008   78   8  22  49
Original location (lat,lon,depth) :     -28.8000   -177.400  28   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.237270 Mtt :     -0.032954
Mff :     -0.204316 Mrt :     -0.023074
Mrf :      0.119196 Mtf :     -0.056054
T-axis:  moment=     0.272   plunge=    73.679  azimuth=   244.841    
N-axis:  moment=    -0.026   plunge=     9.828  azimuth=    11.110    
P-axis:  moment=    -0.246   plunge=    12.900  azimuth=   103.383    
best double couple: Mo=    0.259(x1.e26 dyncm)  Mw=6.2  tau=  3.5     
nodal planes (strike/dip/slip):    5.04/ 58.62/ 78.47     206.44/ 33.23/108.15  
Centroid location :  -28.391  -176.842    37.779
Centroid time :      4.183
Variance reduction (%) :  58
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     1    0    1    0    0    1    1    2    1    0    1    1            
r-comp:     0    0    1    0    0    0    1    1    1    0    1    0            
t-comp:     0    0    0    0    0    0    0    1    1    0    1    0            
Total number of traces used =  17  
number of runs = 6
starttime = Tue Mar 18 03:05:47 MDT 2008
endtime = Tue Mar 18 03:20:59 MDT 2008
inversion time = Tue Mar 18 03:20:51 MDT 2008 - Tue Mar 18 03:20:59 MDT 2008
Solution produced by inversion of channels with var red > 2%


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