[rCMT] Mw=5.8 EASTER ISLAND REGION

USGS research CMT researchcmt at geohazards.usgs.gov
Tue Aug 19 11:49:05 GMT 2008


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2008vxa2 EASTER ISLAND REGION                              
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  CCM COR HKT KIP NNA SJG TUC WCI                                                                    
Origin time: 2008  232  10  58   1
Original location (lat,lon,depth) :     -28.4000   -112.900  10   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.011478 Mtt :     -0.019970
Mff :      0.008492 Mrt :     -0.049847
Mrf :     -0.045861 Mtf :      0.034114
T-axis:  moment=     0.089   plunge=    40.991  azimuth=   129.769    
N-axis:  moment=    -0.032   plunge=    28.407  azimuth=   247.805    
P-axis:  moment=    -0.057   plunge=    35.875  azimuth=     0.831    
best double couple: Mo=    0.073(x1.e26 dyncm)  Mw=5.8  tau=  2.3     
nodal planes (strike/dip/slip):  151.06/ 28.57/174.07     246.27/ 87.17/ 61.56  
Centroid location :  -28.678  -112.241    10.000
Centroid time :     15.961
Variance reduction (%) :  30
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    0    0    0    1    4    1    1    0    0    0    0            
r-comp:     0    0    0    1    0    1    0    1    0    0    0    0            
t-comp:     0    0    0    1    0    1    0    0    0    0    0    0            
Total number of traces used =  12  
number of runs = 12
starttime = Tue Aug 19 05:20:02 MDT 2008
endtime = Tue Aug 19 05:49:02 MDT 2008
inversion time = Tue Aug 19 05:48:58 MDT 2008 - Tue Aug 19 05:49:02 MDT 2008
Solution produced by inversion of channels with var red > 2%


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