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Earthquake Hazards Program

Harvard Moment Tensor Solution

Magnitude 7.7 NEW IRELAND REGION, PAPUA NEW GUINEA
Friday, September 09, 2005 at 07:26:43 UTC

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


September 9, 2005, NEW IRELAND REGION, P.N.G., MW=7.6

Natasha Maternovskaya

CENTROID, MOMENT TENSOR SOLUTION
HARVARD EVENT-FILE NAME C090905B
DATA USED: GSN
L.P. BODY WAVES: 65S,160C, T= 50
MANTLE WAVES:    74S,200C, T=150
CENTROID LOCATION:
ORIGIN TIME       07:27:13.8 0.1
LAT  5.17S 0.01;LON 153.95E 0.01
DEP  83.8 0.3;HALF-DURATION 16.2
MOMENT TENSOR; SCALE 10**27 D-CM
  MRR= 3.12 0.02; MTT=-1.31 0.01
  MPP=-1.81 0.01; MRT=-1.24 0.01
  MRP= 1.35 0.02; MTP= 1.55 0.01
 PRINCIPAL AXES:
 1.(T) VAL=  3.62;PLG=75;AZM=226
 2.(N)       0.01;     1;    319
 3.(P)      -3.63;    15;     49
BEST DOUBLE COUPLE:M0=3.6*10**27
 NP1:STRIKE=141;DIP=30;SLIP=  92
 NP2:STRIKE=318;DIP=60;SLIP=  89

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