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Earthquake Hazards Program

Harvard Moment Tensor Solution

Magnitude 6.6 GULF OF CALIFORNIA
Wednesday, January 04, 2006 at 08:32:31 UTC

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


January 4, 2006, GULF OF CALIFORNIA, MW=6.6

Colleen Dalton

CENTROID, MOMENT TENSOR SOLUTION
HARVARD EVENT-FILE NAME C010406A
DATA USED: GSN
L.P. BODY WAVES: 74S,188C, T= 50
MANTLE WAVES:    73S,156C, T=125
CENTROID LOCATION:
ORIGIN TIME       08:32:37.8 0.1
LAT 28.32N 0.01;LON 112.52W 0.01
DEP  17.9 0.9;HALF-DURATION  4.8
MOMENT TENSOR; SCALE 10**26 D-CM
  MRR= 0.01 0.00; MTT=-0.87 0.00
  MPP= 0.86 0.01; MRT=-0.05 0.02
  MRP=-0.09 0.01; MTP=-0.16 0.00
 PRINCIPAL AXES:
 1.(T) VAL=  0.88;PLG= 5;AZM= 85
 2.(N)       0.00;    83;    227
 3.(P)      -0.88;     4;    355
BEST DOUBLE COUPLE:M0=8.8*10**25
 NP1:STRIKE=130;DIP=83;SLIP= 179
 NP2:STRIKE=220;DIP=89;SLIP=   7

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