Link to USGS home page.
Earthquake Hazards Program

Magnitude 6.5 SAMAR, PHILIPPINES

2003 November 18 17:14:22 UTC

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

USGS Fast Moment Tensor Solution

 03/11/18 17:14:21.71
 SAMAR, PHILIPPINES              
 Epicenter:  12.010  125.387
 MW 6.5

 USGS MOMENT TENSOR SOLUTION
 Depth  37         No. of sta: 29
 Moment Tensor;   Scale 10**18 Nm
   Mrr= 6.51       Mtt=-1.00
   Mff=-5.51       Mrt=-1.15
   Mrf=-0.75       Mtf=-4.28
  Principal axes:
   T  Val=  6.68  Plg=82  Azm=176
   N        1.51       7       32
   P       -8.19       5      301

 Best Double Couple:Mo=7.4*10**18
  NP1:Strike= 24 Dip=41 Slip=  80
  NP2:       218     50        99
                                      
                                      
               -------                
          ----------------#           
        -----------------##--         
      --------------########---       
    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


FirstGov button  Take Pride in America button