Harvard Moment Tensor Solution
Magnitude 6.7 KEPULAUAN MENTAWAI REGION, INDONESIA
Sunday, April 10, 2005 at 10:29:11 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
April 10, 2005, KEP. MENTAWAI REGION, INDONESIA, MW=6.7
Goran Ekstrom
Meredith Nettles
CENTROID, MOMENT TENSOR SOLUTION
HARVARD EVENT-FILE NAME C041005A
DATA USED: GSN
L.P. BODY WAVES: 68S,181C, T= 50
MANTLE WAVES: 62S,143C, T=125
CENTROID LOCATION:
ORIGIN TIME 10:29:18.1 0.1
LAT 1.71S 0.01;LON 99.51E 0.01
DEP 12.0 FIX;HALF-DURATION 5.3
MOMENT TENSOR; SCALE 10**26 D-CM
MRR= 1.19 0.01; MTT=-0.51 0.01
MPP=-0.68 0.01; MRT=-0.38 0.03
MRP= 0.59 0.03; MTP= 0.47 0.01
PRINCIPAL AXES:
1.(T) VAL= 1.39;PLG=74;AZM=242
2.(N) -0.13; 3; 142
3.(P) -1.27; 16; 52
BEST DOUBLE COUPLE:M0=1.3*10**26
NP1:STRIKE=137;DIP=29;SLIP= 84
NP2:STRIKE=324;DIP=61;SLIP= 93
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