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Earthquake Hazards Program

Harvard Moment Tensor Solution

Magnitude 7.2 NEAR THE EAST COAST OF HONSHU, JAPAN
Tuesday, August 16, 2005 at 02:46:28 UTC

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


August 16, 2005, NEAR EAST COAST OF HONSHU, JAPAN, MW=7.2

Meredith Nettles

CENTROID, MOMENT TENSOR SOLUTION
HARVARD EVENT-FILE NAME C081605A
DATA USED: GSN
L.P. BODY WAVES: 67S,184C, T= 50
MANTLE WAVES:    68S,167C, T=150
CENTROID LOCATION:
ORIGIN TIME       02:46:39.5 0.1
LAT 38.16N 0.01;LON 142.11E 0.01
DEP  42.3 0.6;HALF-DURATION  9.2
MOMENT TENSOR; SCALE 10**26 D-CM
  MRR= 4.17 0.04; MTT=-0.33 0.02
  MPP=-3.84 0.03; MRT= 2.51 0.09
  MRP= 5.55 0.12; MTP=-1.42 0.02
 PRINCIPAL AXES:
 1.(T) VAL=  7.36;PLG=62;AZM=297
 2.(N)       0.15;     2;    203
 3.(P)      -7.51;    28;    111
BEST DOUBLE COUPLE:M0=7.4*10**26
 NP1:STRIKE=195;DIP=18;SLIP=  82
 NP2:STRIKE= 23;DIP=73;SLIP=  93

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