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
  NEM   ???  IR      d     250.75   2.28 ISC       NEM  
  KUSJ  ???  IR      d     250.77   2.91 ISC       KUSJ 
  MAT   ???  IR      -     229.68  10.93 ISC       MAT  
  CHG   ???  IR      +     254.87  48.35 ISC       CHG  
  CHTO  ???  IR      +     254.87  48.35 ISC       CHTO 
  FFC   ???  IR      +      37.19  64.80 ISC       FFC  
  WRA   ???  IR      -     194.75  65.06 ISC       WRA  
  GBA   ???  IR      +     266.89  67.12 ISC       GBA  
  MLR   ???  IR      +     322.59  77.28 ISC       MLR  
  KHC   ???  IR      -     331.76  79.12 ISC       KHC  
  KBA   ???  IR      -     330.81  80.96 ISC       KBA  
  MBH   ???  IR      +     306.89  84.72 ISC       MBH  

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