| Harvard Moment Tensor Solution |
Magnitude 7.5 NORTHERN PERU
Monday, September 26, 2005 at 01:55:37 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
September 26, 2005, NORTHERN PERU, MW=7.5
Natasha Maternovskaya
CENTROID, MOMENT TENSOR SOLUTION
HARVARD EVENT-FILE NAME C092605A
DATA USED: GSN
L.P. BODY WAVES: 73S,198C, T= 50
MANTLE WAVES: 72S,188C, T=150
CENTROID LOCATION:
ORIGIN TIME 01:55:44.0 0.1
LAT 5.65S 0.01;LON 76.15W 0.01
DEP 107.8 0.3;HALF-DURATION 13.6
MOMENT TENSOR; SCALE 10**27 D-CM
MRR=-2.00 0.01; MTT=-0.10 0.01
MPP= 2.10 0.01; MRT=-0.03 0.01
MRP= 0.44 0.01; MTP=-0.49 0.00
PRINCIPAL AXES:
1.(T) VAL= 2.25;PLG= 6;AZM=258
2.(N) -0.20; 2; 348
3.(P) -2.05; 84; 96
BEST DOUBLE COUPLE:M0=2.1*10**27
NP1:STRIKE=346;DIP=39;SLIP= -93
NP2:STRIKE=170;DIP=51;SLIP= -88
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