Harvard Moment Tensor Solution

Magnitude 7.4 EAST OF THE SOUTH SANDWICH ISLANDS
Monday, January 02, 2006 at 06:10:49 UTC

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

January 2, 2006, EAST OF SOUTH SANDWICH ISLANDS, MW=7.4

Goran Ekstrom 
Meredith Nettles

CENTROID, MOMENT TENSOR SOLUTION
HARVARD EVENT-FILE NAME C010206A
DATA USED: GSN
L.P. BODY WAVES: 68S,165C, T= 50
MANTLE WAVES:    69S,171C, T=150
CENTROID LOCATION:
ORIGIN TIME       06:11: 3.1 0.1
LAT 61.11S 0.01;LON  21.37W 0.02
DEP  18.0 0.7;HALF-DURATION 11.6
MOMENT TENSOR; SCALE 10**27 D-CM
 MRR=-0.23 0.01; MTT=-0.04 0.01
 MPP= 0.27 0.01; MRT= 0.27 0.06
 MRP=-0.20 0.06; MTP= 1.30 0.01
PRINCIPAL AXES:
1.(T) VAL=  1.42;PLG= 1;AZM=312
2.(N)      -0.12;    72;     45
3.(P)      -1.30;    18;    221
BEST DOUBLE COUPLE:M0=1.4*10**27
NP1:STRIKE=358;DIP=77;SLIP=-168
NP2:STRIKE=265;DIP=78;SLIP= -13

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