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Earthquake Hazards Program

Magnitude 6.7 HOKKAIDO, JAPAN REGION

2003 October 08 09:06:55 UTC

Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver

USGS Fast Moment Tensor Solution

 03/10/08 09:06:55.61
 HOKKAIDO, JAPAN REGION          
 Epicenter:  42.623  144.457
 MW 6.6

 USGS MOMENT TENSOR SOLUTION
 Depth  38         No. of sta: 82
 Moment Tensor;   Scale 10**19 Nm
   Mrr= 0.65       Mtt=-0.32
   Mff=-0.33       Mrt= 0.26
   Mrf= 0.71       Mtf=-0.41
  Principal axes:
   T  Val=  1.03  Plg=63  Azm=274
   N        0.01      14       32
   P       -1.04      23      128

 Best Double Couple:Mo=1.0*10**19
  NP1:Strike=243 Dip=25 Slip= 124
  NP2:        27     70        75
                                      
               -------                
          ----------------#           
        ------------------###         
      -------#############---##       
    ------################------#     
   -----#################---------    
   ----##################---------    
  ---###################-----------   
  --########   #########-----------   
  --######## T ########------------   
  -#########   #######-------------   
  -##################--------------   
   #################-------   ----    
   ################-------- P ----    
    #############----------   ---     
      ##########---------------       
        ######---------------         
          #----------------           
               -------                
                                      

Moment Tensor Solution

Explanation of Parameters
Current USGS Fast Moment Tensor Solutions
USGS E-mail Notification Services
Source Parameter Search

For more information, contact Stuart Sipkin sipkin@usgs.gov


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