[rCMT] Mw=6.4 NORTHERN PERU

USGS research CMT researchcmt at geohazards.usgs.gov
Tue Aug 26 21:46:26 GMT 2008


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2008wecl NORTHERN PERU                                     
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  CCM HKT PMSA RPN SJG TUC WCI                                                                       
Origin time: 2008  239  21   0  37
Original location (lat,lon,depth) :     -7.50000   -74.5000  152  
Moment tensor (x1.e26 dyncm) :
Mrr :     -0.320117 Mtt :     -0.097109
Mff :      0.417226 Mrt :      0.132075
Mrf :     -0.176665 Mtf :      0.000740
T-axis:  moment=     0.459   plunge=    13.263  azimuth=    86.866    
N-axis:  moment=    -0.046   plunge=    20.972  azimuth=   351.683    
P-axis:  moment=    -0.413   plunge=    64.841  azimuth=   206.989    
best double couple: Mo=    0.436(x1.e26 dyncm)  Mw=6.4  tau=  4.2     
nodal planes (strike/dip/slip):  339.65/ 61.46/-114.04     202.69/ 36.65/-53.16 
Centroid location :   -7.860   -74.355   132.854
Centroid time :     -4.473
Variance reduction (%) :  41
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     1    0    0    0    0    1    3    1    0    0    1    0            
r-comp:     0    0    0    0    0    1    2    1    0    0    0    0            
t-comp:     0    0    0    0    0    1    1    0    0    0    1    0            
Total number of traces used =  14  
number of runs = 5
starttime = Tue Aug 26 15:34:46 MDT 2008
endtime = Tue Aug 26 15:46:24 MDT 2008
inversion time = Tue Aug 26 15:46:19 MDT 2008 - Tue Aug 26 15:46:23 MDT 2008
Solution produced by inversion of channels with var red > 2%


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