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Earthquake Hazards Program

Harvard Moment Tensor Solution

Magnitude 7.1 CELEBES SEA
Saturday, February 05, 2005 at 12:23:22 UTC

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


February 5, 2005, CELEBES SEA, MW=7.1

Meredith Nettles

CENTROID, MOMENT TENSOR SOLUTION
HARVARD EVENT-FILE NAME C020505C
DATA USED: GSN
L.P. BODY WAVES: 68S,190C, T= 50
MANTLE WAVES:    70S,168C, T=150
CENTROID LOCATION:
ORIGIN TIME       12:23:24.1 0.1
LAT  5.45N 0.01;LON 123.63E 0.01
DEP 529.2 1.1;HALF-DURATION  8.5
MOMENT TENSOR; SCALE 10**26 D-CM
 MRR=-2.28 0.02; MTT= 0.07 0.03
 MPP= 2.21 0.03; MRT=-0.32 0.02
 MRP=-4.56 0.02; MTP=-0.49 0.03
PRINCIPAL AXES:
1.(T) VAL=  5.06;PLG=32;AZM= 87
2.(N)       0.11;     6;    181
3.(P)      -5.17;    58;    281
BEST DOUBLE COUPLE:M0=5.1*10**26
NP1:STRIKE=155;DIP=15;SLIP=-116
NP2:STRIKE=  2;DIP=77;SLIP= -83

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