[rCMT] Mw=7.3 LOYALTY ISLANDS

USGS research CMT researchcmt at geohazards.usgs.gov
Wed Apr 9 06:38:57 MST 2008


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2008qqa2 LOYALTY ISLANDS                                   
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used : CASY CTAO KIP MAJO PET RPN TAU YSS                                                                  
Origin time: 2008  100  12  46  18
Original location (lat,lon,depth) :     -20.2000    168.800  88   
Moment tensor (x1.e26 dyncm) :
Mrr :      8.327121 Mtt :     -1.327774
Mff :     -6.999348 Mrt :      2.861036
Mrf :     -4.446324 Mtf :      3.199321
T-axis:  moment=     9.882   plunge=    73.486  azimuth=    50.057    
N-axis:  moment=     0.058   plunge=     3.905  azimuth=   153.369    
P-axis:  moment=    -9.940   plunge=    16.020  azimuth=   244.492    
best double couple: Mo=    9.911(x1.e26 dyncm)  Mw=7.3  tau= 11.9     
nodal planes (strike/dip/slip):  340.39/ 29.18/ 98.03     151.21/ 61.13/ 85.54  
Centroid location :  -19.997   168.657    35.817
Centroid time :      6.085
Variance reduction (%) :  76
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    0    1    0    1    0    3    0    0    1    1    1            
r-comp:     0    0    1    0    1    0    3    0    0    1    1    0            
t-comp:     0    0    1    0    1    0    3    0    0    1    1    0            
Total number of traces used =  22  
number of runs = 8
starttime = Wed Apr 9 07:19:09 MDT 2008
endtime = Wed Apr 9 07:38:37 MDT 2008
inversion time = Wed Apr 9 07:38:28 MDT 2008 - Wed Apr 9 07:38:36 MDT 2008
Solution produced by inversion of all available channels


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