Black dots -> compressions (C,c,+,U,u)
White dots -> dilatations (D,d,-)
Green dot  -> T-axis
Red dot    -> P-axis

  sta  chan net loc pol a/m   azi   dist author    irsta
  SUV   ???  IR      c     296.19   3.71 ISC       SUV  
  AFI   ???  IR      d      46.49   8.40 ISC       AFI  
  OUA   ???  IR      d     263.57  13.84 ISC       OUA  
  LUG   ???  IR      d     284.53  14.77 ISC       LUG  
  RAB   ???  IR      d     294.27  32.93 ISC       RAB  
  CTA   ???  IR      d     263.34  33.52 ISC       CTA  
  PMG   ???  IR      d     282.06  35.16 ISC       PMG  
  TOO   ???  IR      d     232.98  36.26 ISC       TOO  
  MUN   ???  IR      d     243.97  59.58 ISC       MUN  
  MAT   ???  IR      d     323.56  69.65 ISC       MAT  
  BKS   ???  IR      d      42.05  77.73 ISC       BKS  
  MHC   ???  IR      d      42.78  77.79 ISC       MHC  
  TUC   ???  IR      c      51.95  82.60 ISC       TUC  
  PLV   ???  IR      d     294.49  84.03 ISC       PLV  
  ALQ   ???  IR      d      51.31  87.02 ISC       ALQ  

sta    - Station code (FDSN)
chan   - channel code
net    - Network code (FDSN)
loc    - Location code (FDSN)
pol    - Polarity
a/m    - Automatic or manual pick
azi    - Event to station azimuth (in degrees)
dist   - Event to station distance (in degrees)
author - Author of the polarity
irsta  - International registry station code