This is a preliminary UCB moment tensor solution for the event located
22km ENE of Willits, CA; 39.465N 123.106W; Z=6.1km;  ML=4.7; (USGS/UCB
Joint Notification System) on April 18, 2007 08:42:22 UTC. Other
information about this event can be viewed at:
http://earthquake.usgs.gov/recenteqsus/Quakes/nc40195779.php

Reviewed by:
DREGER
UCB Seismological Laboratory

Inversion method:   complete waveform
Stations used:      JCC WDC HATC GASB ORV SUTB CMB MNRC CVS
 
 Berkeley Moment Tensor Solution
 
 Best Fitting Double-Couple:
    Mo = 2.10E+23 Dyne-cm
    Mw = 4.82
    Z  = 8
    Plane   Strike   Rake   Dip
     NP1      165     174    85
     NP2      256       5    84
 
 Principal Axes:
    Axis    Value   Plunge   Azimuth
      T     2.100       8      120
      N     0.000      82      305
      P    -2.100       1      210
 
 Event Date/Time: April 18, 2007 08:42:22 UTC
 Event ID:        nc40195779
 Moment Tensor: Scale = 10**23 Dyne-cm
    Component   Value
       Mxx     -1.043
       Mxy     -1.811
       Mxz     -0.120
       Myy      1.005
       Myz      0.256
       Mzz      0.038
 
                                               
                                               
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    ################-----------------------    
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   ##################-------------##########   
   ###################---###################   
   ###############----######################   
   #########-----------#####################   
   ####----------------#####################   
    --------------------###################    
    --------------------##############   ##    
     --------------------############# T #     
      --------------------############         
       -------------------##############       
         ------------------###########         
           -   -------------########           
             P -------------#####              
                    -------                    
                                               
     Lower Hemisphere Equiangle Projection