Harvard Moment Tensor Solution
Magnitude 6.9 SAMOA ISLANDS REGION
Thursday, September 28, 2006 at 06:22:09 UTC
September 28, 2006, SAMOA ISLANDS REGION, MW=6.9
Goran Ekstrom
CENTROID, MOMENT TENSOR SOLUTION
HARVARD EVENT-FILE NAME C092806B
DATA USED: GSN
L.P. BODY WAVES: 80S,199C, T= 50
MANTLE WAVES: 77S,197C, T=125
CENTROID LOCATION:
ORIGIN TIME 06:22:16.5 0.1
LAT 16.65S 0.01;LON 171.61W 0.00
DEP 12.0 FIX;HALF-DURATION 6.7
MOMENT TENSOR; SCALE 10**26 D-CM
MRR=-2.32 0.01; MTT=-0.15 0.01
MPP= 2.47 0.01; MRT= 0.19 0.03
MRP= 0.34 0.04; MTP= 0.62 0.01
PRINCIPAL AXES:
1.(T) VAL= 2.64;PLG= 4;AZM=283
2.(N) -0.28; 3; 13
3.(P) -2.35; 85; 138
BEST DOUBLE COUPLE:M0=2.5*10**26
NP1:STRIKE= 10;DIP=41;SLIP= -95
NP2:STRIKE=196;DIP=49;SLIP= -86
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Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
