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Earthquake Hazards Program

Magnitude 7.3 SOUTHWESTERN SIBERIA, RUSSIA

2003 September 27 11:33:24 UTC

Preliminary Earthquake Report

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

USGS Fast Moment Tensor Solution

 03/09/27 11:33:25.86
 SOUTHWESTERN SIBERIA, RUSSIA    
 Epicenter:  50.064   87.731
 MW 7.3

 USGS MOMENT TENSOR SOLUTION
 Depth   1         No. of sta: 68
 Moment Tensor;   Scale 10**20 Nm
   Mrr= 0.10       Mtt=-1.00
   Mff= 0.90       Mrt=-0.40
   Mrf= 0.10       Mtf=-0.19
  Principal axes:
   T  Val=  0.95  Plg=10  Azm=262
   N        0.20      69      143
   P       -1.14      18      356

 Best Double Couple:Mo=1.0*10**20
  NP1:Strike= 38 Dip=70 Slip=  -5
  NP2:       130     85      -160
                                      
                                      
               -------                
          ------   --------           
        -------- P ----------         
      ----------   ---------###       
    ###---------------------#####     
   ######------------------#######    
   ########---------------########    
  ###########------------##########   
  #############---------###########   
     ############------############   
   T ##############---#############   
     ###############--#############   
   ################-----##########    
   ##############---------########    
    ###########--------------####     
      ######-------------------       
        #--------------------         
          -----------------           
               -------                
                                      

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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