Here is the solution for the recent event.
 
June 23, 2001, NEAR COAST OF PERU, Mw=8.4


Meredith Nettles
Mike Antolik
Goran Ekstrom


CENTROID, MOMENT TENSOR SOLUTION
HARVARD EVENT-FILE NAME M062301A
DATA USED: GSN 
MANTLE WAVES:    46S,134C, T=200
CENTROID LOCATION:
ORIGIN TIME       20:34:20.2 0.1
LAT 17.21S 0.01;LON  73.02W 0.01
DEP  25.7 0.5;HALF-DURATION 41.5
MOMENT TENSOR; SCALE 10**28 D-CM
  MRR= 2.11 0.01; MTT=-0.56 0.01
  MFF=-1.55 0.01; MRT= 2.21 0.10
  MRF=-3.77 0.12; MTF= 1.39 0.01
 PRINCIPAL AXES:
 1.(T) VAL=  4.75;PLG=59;AZM= 63
 2.(N)       0.40;     3;    329
 3.(P)      -5.15;    31;    237
BEST DOUBLE COUPLE:M0=4.9*10**28
 NP1:STRIKE=318;DIP=14;SLIP=  79
 NP2:       149;    76;       93


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