Special Reports

Monent Tensor Solution - UC Berkeley

Klamath Falls M 4.3 Earthquake, May 15, 2002

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This is a preliminary UCB moment tensor solution for the event located
10 km W of Klamath Falls, OR (42.231N 121.901W; Z=8.1km; Md=4.3;
University of Washington event05151754 ) on May 15, 2002 at 17:54:48 UTC.

Reviewed by:
Dreger
UCB Seismological Laboratory

Inversion method:   complete waveform
Stations used:      JCC MOD ORV WDC YBH
 
 Berkeley Moment Tensor Solution
 
 Best Fitting Double-Couple:
    Mo = 1.93E+22 Dyne-cm
    Mw = 4.16
    Z  = 8 km
    Plane   Strike   Rake   Dip
     NP1      351     -71    71
     NP2      124    -133    27
 Principal Axes:
    Axis    Value   Plunge   Azimuth
      T     1.930      24       66
      N     0.000      18      165
      P    -1.930      60      288
 
 
 Event Date/Time: May 15, 2002 at 17:54:48 UTC
 Event ID:        nc05151754
 
 Moment Tensor: Scale = 10**22 Dyne-cm
    Component   Value
       Mxx      0.211
       Mxy      0.739
       Mxz      0.023
       Myy      0.912
       Myz      1.452
       Mzz     -1.123
                                               
                                               
                    #######                    
              --------###########              
           ------------#############           
         ---------------##############         
       -----------------################       
      -------------------################      
     #--------------------################     
    ##--------------------##########   ####    
    ##---------------------######### T ####    
   ###---------   ---------#########   #####   
   ###--------- P ----------################   
   ###---------   ----------################   
   ####---------------------################   
   #####--------------------################   
    #####-------------------###############    
    ######-------------------##############    
     #######-----------------#############     
      ########--------------#############      
       ##########-----------###########-       
         ############-------#######---         
           #################--------           
             #############------               
                   ####### 

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