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Earthquake Hazards Program

Harvard Moment Tensor Solution

Magnitude 6.8 SOUTHEAST OF THE LOYALTY ISLANDS
Monday, April 11, 2005 at 17:08:53 UTC

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


April 11, 2005, SOUTHEAST OF LOYALTY ISLANDS, MW=6.7

Natasha Maternovskaya

CENTROID, MOMENT TENSOR SOLUTION
HARVARD EVENT-FILE NAME C041105D
DATA USED: GSN
L.P. BODY WAVES: 77S,213C, T= 50
MANTLE WAVES:    74S,171C, T=125
CENTROID LOCATION:
ORIGIN TIME       17:08:59.8 0.1
LAT 21.98S 0.01;LON 170.47E 0.01
DEP  75.0 0.6;HALF-DURATION  5.6
MOMENT TENSOR; SCALE 10**26 D-CM
  MRR=-0.69 0.01; MTT=-0.17 0.01
  MPP= 0.87 0.01; MRT= 0.90 0.01
  MRP= 0.54 0.01; MTP= 0.76 0.01
 PRINCIPAL AXES:
 1.(T) VAL=  1.63;PLG=22;AZM=304
 2.(N)      -0.27;    29;     46
 3.(P)      -1.37;    53;    182
BEST DOUBLE COUPLE:M0=1.5*10**26
 NP1:STRIKE=353;DIP=34;SLIP=-148
 NP2:STRIKE=236;DIP=73;SLIP= -60

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