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Earthquake Hazards Program

Harvard Moment Tensor Solution

Magnitude 6.9 NIAS REGION, INDONESIA
Thursday, May 19, 2005 at 01:54:52 UTC

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


May 19, 2005, SIMEULUE, INDONESIA, MW=6.9

Natasha Maternovskaya

CENTROID, MOMENT TENSOR SOLUTION
HARVARD EVENT-FILE NAME C051905A
DATA USED: GSN
L.P. BODY WAVES: 67S,166C, T= 50
MANTLE WAVES:    71S,156C, T=125
CENTROID LOCATION:
ORIGIN TIME       01:55: 3.2 0.1
LAT  2.00N 0.01;LON  96.74E 0.01
DEP  12.0 FIX;HALF-DURATION  4.6
MOMENT TENSOR; SCALE 10**26 D-CM
  MRR= 0.57 0.00; MTT=-0.39 0.00
  MPP=-0.18 0.01; MRT= 1.76 0.02
  MRP=-1.61 0.02; MTP= 0.29 0.00
 PRINCIPAL AXES:
 1.(T) VAL=  2.45;PLG=52;AZM= 44
 2.(N)       0.01;     2;    312
 3.(P)      -2.46;    38;    221
BEST DOUBLE COUPLE:M0=2.5*10**26
 NP1:STRIKE=297;DIP= 7;SLIP=  75
 NP2:STRIKE=132;DIP=83;SLIP=  92

            -----------           
        -################--       
      -####################--     
    #-#######################--   
   ----########################-  
  -------############   ########- 
  ---------########## T ######### 
 ------------########   #########-
 -------------###################-
 ---------------##################
 -----------------###############-
  -------------------############ 
  -------   -----------########## 
   ------ P -------------#######  
    -----   ----------------###   
      -----------------------     
        -------------------       
            -----------           
          
         


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