Special Reports

Monent Tensor Solution - TriNet

Lake Henshaw M3.8 earthquake, March 30, 2002

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Real-time focal mechanism inversion using TriNet waveform data
  Note: currently being developed and tested
  send your comments and suggestions to Lupei Zhu

Sat Mar 30 13:53:00 2002: receive earthquake info from jet

        EVENT-ID ML    origin time     lati.    longi.
        9774569 3.8 2002 3 30 13 50 51 33.1970 -116.7360

        Delayed 129 sec
 Sat Mar 30 13:53:46 2002: Finish retrieving 62 stations
 Sat Mar 30 13:54:23 2002: Finish inversion

 Focal Depth and mechanism:
 Depth fixed at 07 km
 Moment Tensor: Scale = 10**21 Dyne-cm
    Component   Value
       Mxx     -1.782
       Mxy     -1.462
       Mxz      1.001
       Myy      2.283
       Myz      0.357
       Mzz     -0.500
 
 Principle Axes:
    Axis    Value   Plunge   Azimuth
      T     2.754       1      108
      N     0.000      65       16
      P    -2.754      25      198
 
 Best Fitting Double-Couple:
    Mo = 2.75E+21 Dyne-cm
    Plane   Strike   Rake   Dip
     NP1      336    -161    73
     NP2      240     -18    72
 
 Moment Magnitude = 3.56
                                               
                                               
                    -------                    
              #------------------              
           ######-------------------           
         ##########-------------------         
       #############--------------------       
      ################-------------------      
     ##################------------#######     
    ####################-----##############    
    #######################################    
   ###################----##################   
   ################--------#################   
   #############------------################   
   ###########---------------###############   
   ########------------------#############     
    #####---------------------############ T   
    ####----------------------############     
     #-------------------------###########     
      -------------------------##########      
       ----------   ------------########       
         -------- P ------------######         
           ------   ------------####           
              ------------------#              
                    -------                    
                                               
     Lower Hemisphere Equiangle Projection

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