Latest Earthquakes

Magnitude 6.6 UNIMAK ISLAND REGION, ALASKA

2003 February 19 03:32:36 UTC

Preliminary Earthquake Report

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

USGS Rapid Moment Tensor Solution

 03/02/19 03:32:37.00
 UNIMAK ISLAND REGION, ALASKA    
 Epicenter:  53.550 -164.554
 MW 6.6

 USGS MOMENT TENSOR SOLUTION
 Depth  13         No. of sta: 46
 Moment Tensor;   Scale 10**18 Nm
   Mrr= 6.52       Mtt=-4.68
   Mff=-1.85       Mrt= 3.20
   Mrf= 2.69       Mtf=-2.96
  Principal axes:
   T  Val=  7.76  Plg=73  Azm=313
   N       -0.01       4       56
   P       -7.75      16      147

 Best Double Couple:Mo=7.8*10**18
  NP1:Strike=242 Dip=29 Slip=  97
  NP2:        54     61        86
                                      
               -------                
          -----------------           
        ---------------------         
      ---------#############---       
    --------#####################     
   ------######################---    
   ----#######################----    
  ----#########   ###########------   
  ---########## T ##########-------   
  --###########   #########--------   
  --#####################----------   
  -####################------------   
   #################--------------    
   ##############-----------------    
    ########-------------   -----     
      ------------------- P ---       
        -----------------   -         
          -----------------           
               -------

Moment Tensor Solution

Explanation of Parameters
Latest 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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U.S. Department of the Interior \| U.S. Geological Survey URL: http://neic.usgs.gov/neis/eq_depot/2003/eq_030219/neic_qkag_q.html Contact: NEIC Web Team Last modification: Wednesday, 2004 February 04 08:38 MST