AUTOMATIC solution, not reviewed by a seismologist
More details on this rCMT at http://neic.cr.usgs.gov/beta/rcmt/events/100227080124.2010tfa7
usr/passwd : rcmt/rcmt
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General region :  2010tfa7 OFF COAST OF BIO-BIO, CHI                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  AAK ARU BFO CASY FFC HKT INCN KIV LVZ NNA PET PMSA SFJD SUR TAU TLY TUC WCI YAK                    
Origin time: 2010   58   8   1  24
Original location (lat,lon,depth) :     -37.7000   -75.2000  10   
Moment tensor (x1.e26 dyncm) :
Mrr :    -46.339767 Mtt :     10.783330
Mff :     35.556435 Mrt :     35.191017
Mrf :    -43.962063 Mtf :      0.642811
T-axis:  moment=    59.217   plunge=    26.931  azimuth=    69.102    
N-axis:  moment=    18.407   plunge=    10.541  azimuth=   333.677    
P-axis:  moment=   -77.624   plunge=    60.760  azimuth=   224.262    
best double couple: Mo=   68.420(x1.e26 dyncm)  Mw=7.8  tau= 22.7     
nodal planes (strike/dip/slip):  330.36/ 72.74/-101.04     183.70/ 20.40/-58.35 
Centroid location :  -37.615   -74.493    27.269
Centroid time :     23.136
Variance reduction (%) :   7.7
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    0    1    0    1    1    2    1    1    0    0    1            
r-comp:     0    0    0    0    0    0    3    0    0    0    0    1            
t-comp:     1    0    0    2    1    2    3    1    0    0    0    0            
Total number of traces used =  22  
number of runs = 1
starttime = Sat Feb 27 02:48:19 MST 2010
depth loop = Sat Feb 27 02:49:24 MST 2010 - Sat Feb 27 02:51:28 MST 2010
Solution produced by inversion of channels with var red > 2%
Initial magnitude 6.9  : depth search was triggered. Initial depth 39 km.
DInit  CMTDep  VarRed
-------------------
020     10.000 1.52
040     21.313 1.13
060     17.066 1.18
100     10.000 0.96
200     222.095 0.45
300     285.718 0.76
400     375.429 0.88
500     451.128 0.77
600     486.102 0.69