[rCMT] Mw=6.0 NORTHERN CALIFORNIA

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Wed Oct 31 03:41:06 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007jdah NORTHERN CALIFORNIA                               
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  CCM FFC HKT KIP SFJD WCI                                                                           
Origin time: 2007  304   3   4  53
Original location (lat,lon,depth) :      37.1000   -122.100  10   
Moment tensor (x1.e26 dyncm) :
Mrr :     -0.004165 Mtt :     -0.024060
Mff :      0.028225 Mrt :     -0.044860
Mrf :      0.133901 Mtf :      0.016263
T-axis:  moment=     0.149   plunge=    42.252  azimuth=   261.799    
N-axis:  moment=    -0.009   plunge=    11.557  azimuth=   161.094    
P-axis:  moment=    -0.140   plunge=    45.444  azimuth=    59.108    
best double couple: Mo=    0.144(x1.e26 dyncm)  Mw=6.0  tau=  2.9     
nodal planes (strike/dip/slip):  160.76/ 88.37/-101.56      62.86/ 11.67/ -8.07 
Centroid location :   37.548  -121.617    10.000
Centroid time :      5.685
Variance reduction (%) :  13
 
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        *-----------o                   *   
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      **--------------o          P       ** 
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     **-------T---------oo               o**
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    0    0    2    1    1    0    0    0    1    0    0            
r-comp:     0    0    1    1    1    0    0    0    0    0    0    0            
t-comp:     0    0    0    2    1    0    0    0    0    1    0    0            
Total number of traces used =  12  
number of runs = 1
starttime = Tue Oct 30 21:39:33 MDT 2007
endtime = Tue Oct 30 21:41:03 MDT 2007
inversion time = Tue Oct 30 21:40:58 MDT 2007 - Tue Oct 30 21:41:03 MDT 2007
Solution produced by inversion of channels with var red > 2%



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