[rCMT] Mw=6.4 PHILIPPINE ISLANDS REGION

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Mon Aug 20 14:25:45 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007ggaz PHILIPPINE ISLANDS REGION                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  CTAO INCN MAJO PET PMG TAU TLY YAK YSS                                                             
Origin time: 2007  232  13  46  18
Original location (lat,lon,depth) :      6.10000    127.400  10   
Moment tensor (x1.e26 dyncm) :
Mrr :     -0.571914 Mtt :      0.076211
Mff :      0.495703 Mrt :      0.075531
Mrf :     -0.214628 Mtf :     -0.110838
T-axis:  moment=     0.568   plunge=    11.244  azimuth=    75.598    
N-axis:  moment=     0.049   plunge=     1.700  azimuth=   345.260    
P-axis:  moment=    -0.618   plunge=    78.625  azimuth=   246.778    
best double couple: Mo=    0.593(x1.e26 dyncm)  Mw=6.4  tau=  4.7     
nodal planes (strike/dip/slip):  344.12/ 56.27/-92.04     167.80/ 33.79/-86.94  
Centroid location :    6.001   127.345    18.758
Centroid time :     -5.864
Variance reduction (%) :  59
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     1    2    0    0    0    4    1    0    0    0    0    0            
r-comp:     1    2    0    0    0    3    2    0    0    0    0    0            
t-comp:     1    2    0    0    0    3    1    0    0    0    0    0            
Total number of traces used =  23  
number of runs = 4
starttime = Mon Aug 20 08:16:53 MDT 2007
endtime = Mon Aug 20 08:25:43 MDT 2007
inversion time = Mon Aug 20 08:25:37 MDT 2007 - Mon Aug 20 08:25:43 MDT 2007
Solution produced by inversion of channels with var red > 2%



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