Here is the source time function for the 910623_Argentina event.
 If you have any questions or comments, please contact
         tanioka@umich.edu
 
                       Richard Nolen-Hoeksema
                         Yuichiro Tanioka and Larry Ruff
                         University of Michgan
 
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910623_Argentina                        
 LOCATION     -26.802  LAT.     -63.349  LONG.                          
 ORIGIN TIME=  21 HOUR 22 MIN 28.9 SEC GMT   (NEIC mb 6.4)
 Focal mechanism (USGS Moment Tensor)
      strike  dip   rake        strike  dip   rake
       19.    22.   -46.        153.    74.  -106.
 Depth 530. km (the best depth, Vp = 8.0 km/s)
 Number of stations:  6
 The Maximum moment rate (10**20 Nm/s) =    7.72381E-02
 One "space" represents    1.00000 sec
 Moment of the main pulse:  0.513 (10**20 Nm) at 21. sec (Mw 7.1)
 
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   \      |....\          
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/=====================-   
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0        10        20sec  
                          
 
 Numerical values of source time function
 Sampling dt:  1.0sec
 X10**17 Nm/sec
  0.00  5.26 14.45 32.39 22.68 20.07 14.21  9.48  6.31  6.48
 16.30 60.29 69.10 77.24 71.82 32.17 19.91 14.53  8.78  6.01
  2.55  2.60 -0.71
(STF Catalog Listing, go to: "http://www.geo.lsa.umich.edu/SeismoObs/STF.html")