[rCMT] Mw=6.0 SOUTH SANDWICH ISLANDS REGION

USGS research CMT researchcmt at geohazards.usgs.gov
Mon Apr 14 03:40:36 MST 2008


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2008qva6 SOUTH SANDWICH ISLANDS RE                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  CASY KMBO NNA OTAV RPN SDV SUR TAU TSUM                                                            
Origin time: 2008  105   9  45  22
Original location (lat,lon,depth) :     -56.0000   -28.2000  162  
Moment tensor (x1.e26 dyncm) :
Mrr :     -0.020340 Mtt :      0.055663
Mff :     -0.035323 Mrt :     -0.088053
Mrf :      0.012555 Mtf :      0.061787
T-axis:  moment=     0.127   plunge=    28.377  azimuth=   161.366    
N-axis:  moment=    -0.018   plunge=    38.523  azimuth=   276.837    
P-axis:  moment=    -0.109   plunge=    38.422  azimuth=    45.995    
best double couple: Mo=    0.118(x1.e26 dyncm)  Mw=6.0  tau=  2.7     
nodal planes (strike/dip/slip):  101.58/ 84.07/-51.23     198.91/ 39.15/-170.58 
Centroid location :  -56.164   -27.818   129.197
Centroid time :     -5.295
Variance reduction (%) :  36
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     2    0    0    3    0    0    0    1    0    1    0    0            
r-comp:     1    0    0    0    0    0    0    1    1    0    0    0            
t-comp:     0    0    0    1    0    0    0    2    1    1    0    0            
Total number of traces used =  15  
number of runs = 7
starttime = Mon Apr 14 04:22:47 MDT 2008
endtime = Mon Apr 14 04:40:33 MDT 2008
inversion time = Mon Apr 14 04:40:25 MDT 2008 - Mon Apr 14 04:40:32 MDT 2008
Solution produced by inversion of channels with var red > 2%


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