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Earthquake Hazards Program

USGS/SLU Regional Moment Tensor Solution

 09/01/30 13:25:04   
 SEATTLE-TACOMA AREA, WASHINGTON 
 Epicenter:  47.800 -122.540
 MW 4.5

 USGS/SLU REGIONAL MOMENT TENSOR
 Depth  50         No. of sta: 14
 Moment Tensor;   Scale 10**15 Nm
   Mrr=-0.59       Mtt= 6.51
   Mpp=-5.92       Mrt= 0.16
   Mrp= 2.02       Mtp= 1.95
  Principal axes:
   T  Val=  6.84  Plg= 3  Azm=350
   N        0.00      72      249
   P       -6.84      17       81

 Best Double Couple:Mo=6.8*10**15
  NP1:Strike=218 Dip=80 Slip=-165
  NP2:       125     75       -10
                                      
               T #####                
          ####   ##########           
        ####################-         
      ####################-----       
    -###################---------     
   ---################------------    
   -----#############-------------    
  --------#########-----------   --   
  ----------######------------ P --   
  ------------##--------------   --   
  -------------#-------------------   
  ------------#####----------------   
   ---------##########------------    
   --------###############--------    
    ------#####################--     
      ---######################       
        #####################         
          #################           
               #######                
                                      

Moment Tensor Solution

 


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