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
  ADK   BHZ  IU  00  +   a 271.62   3.06 ISC       ADK  
  TTA   BHZ  AT  --  +   a  31.15  13.88 ISC       TTA  
  SPCR  BHZ  AV  --  -   a  41.37  14.19 ISC       SPCR 
  BPAW  BHZ  AK  --  +   a  33.60  16.34 ISC       BPAW 
  PET   S?Z  IR      C     285.28  18.01 MOS       PET  
  BAL   BHZ  AK  --  +   a  48.91  18.49 ISC       BALM 
  BILL  BHZ  IU  00  +   a 335.09  19.34 ISC       BILI 
  BILL  B?Z  IR      C     334.89  19.37 MOS       BILL 
  EGAK  BHZ  US  00  -   a  38.89  20.32 ISC       EGAK 
  EGAK  BHZ  US  00  -   a  38.89  20.32 ISC       EGAK 
  SKAG  BHZ  AT  --  +   a  55.27  21.65 ISC       SKAG 
  SEY   B?Z  IR      C     314.13  21.93 MOS       SEY  
  WRAK  BHZ  US  10  +   a  63.21  23.28 ISC       WRAK 
  INK   BHZ  CN  --  +   a  33.62  24.55 ISC       INK  
  BBB   BHZ  CN  --  +   a  71.94  26.55 ISC       BBB  
  YSS   S?Z  IR      D     278.67  29.62 MOS       YSS  
  LLLB  BHZ  CN  --  +   a  72.33  30.75 ISC       LLLB 
  A04D  BHZ  TA  --  +   a  76.12  31.01 ISC       A04D 
  GNW   BHZ  UW  --  +   a  78.20  31.44 ISC       GNW  
  B05D  BHZ  TA  --  +   a  76.58  31.57 ISC       B05A 
  YKW3  BHZ  CN  --  +   a  47.88  31.64 ISC       YKW3 
  ERM   B?Z  IR      C     270.03  31.86 MOS       ERM  
  RATT  BHZ  UW  --  +   a  77.85  32.12 ISC       RATT 
  KIP   B?Z  IR      C     155.49  32.24 MOS       KIP  
  TIXI  B?Z  IR      C     329.41  32.39 MOS       TIXI 
  OMAK  BHZ  UW  --  +   a  74.92  33.19 ISC       B08A 
  G05D  BHZ  TA  --  +   a  81.10  33.46 ISC       G05D 
  DAVN  BHZ  UW  --  +   a  75.25  34.08 ISC       C09A 
  NEW   BHZ  US  10  +   a  73.89  34.55 ISC       NEW  
  NEW   BHZ  US  00  +   a  73.89  34.55 ISC       NEW  
  CMB   BHZ  BK  00  +   a  90.63  38.09 ISC       CMB  
  CMB   HHZ  BK  00  +   a  90.63  38.09 ISC       CMB  
  VLA   S?Z  IR      C     279.65  38.20 MOS       VLA  
  MAJO  B?Z  IR      C     266.42  38.20 MOS       MAJO 
  HLID  BHZ  US  00  +   a  79.12  38.55 ISC       HLID 
  BMN   BHZ  LB  --  +   a  85.16  38.60 ISC       BMN  
  BOZ   BHZ  US  00  +   a  74.69  39.14 ISC       BOZ  
  MPM   BHZ  CI  --  +   a  90.73  41.13 ISC       MPMC 
  DUG   BHZ  US  00  +   a  82.35  41.46 ISC       DUG  
  EDW2  BHZ  CI  --  -   a  92.48  41.58 ISC       EDW2 
  LAO   BHZ  US  00  +   a  70.20  41.76 ISC       LAO  
  CHF   BHZ  CI  --  +   a  93.12  41.92 ISC       CHFC 
  BFS   BHZ  CI  --  +   a  92.93  42.22 ISC       BFSC 
  SHP   HHZ  NN  --  +   a  88.40  42.29 ISC       SHPR 
  GMR   BHZ  CI  --  +   a  90.71  43.09 ISC       GMRC 
  SND   BHZ  AZ  --  +   a  92.82  43.32 ISC       SNDA 
  FRD   HHZ  AZ  --  +   a  92.88  43.37 ISC       FRD  
  TPFO  BHZ  TA  --  +   a  92.64  43.38 ISC       TPFO 
  SNY   ???  IR      c     283.38  43.98 BJI       SNY  
  IKP   BHZ  CI  --  +   a  93.37  44.24 ISC       IKP  
  TJN   B?Z  IR      C     274.68  45.02 MOS       TJN  
  WUAZ  BHZ  US  00  +   a  86.62  45.27 ISC       WUAZ 
  ULM   BHZ  CN  --  +   a  60.51  45.66 ISC       ULM  
  MVCO  BHZ  US  00  +   a  82.73  45.96 ISC       MVCO 
  W18A  BHZ  TA  --  +   a  85.82  46.54 ISC       W18A 
  KULLO ???  IR      C      19.58  46.57 DNK       KULLO
  S22A  BHZ  TA  --  +   a  80.98  46.63 ISC       S22A 
  Q24A  BHZ  TA  --  +   a  78.54  46.89 ISC       Q24A 
  DL2   ???  IR      c     281.41  46.94 BJI       DL2  
  SUSD  BHZ  TA  --  +   a  68.75  47.24 ISC       SUSD 
  KSCO  BHZ  TA  --  +   a  76.81  48.39 ISC       KSCO 
  T25A  BHZ  TA  --  +   a  79.94  48.50 ISC       T25A 
  ANMO  B?Z  IR      C      83.59  48.68 MOS       ANMO 
  ECSD  BHZ  US  10  +   a  68.15  49.01 ISC       ECSD 
  TLY   B?Z  IR      C     305.30  49.42 MOS       TLY  
  121A  BHZ  TA  --  +   a  86.94  49.47 ISC       121A 
  BGNE  BHZ  TA  --  +   a  71.49  49.55 ISC       BGNE 
  ULN   B?Z  IR      C     299.55  49.90 MOS       ULN  
  SPB4  BHZ  NO  00  -   a 357.83  50.09 ISC       SPB4 
  DAG   ???  IR      C       7.76  50.47 DNK       DAG  
  KIDD  BHZ  EP  --  +   a  86.69  50.78 ISC       EPT  
  TIA   ???  IR      c     281.74  51.41 BJI       TIA  
  MNTX  BHZ  US  00  +   a  85.91  51.53 ISC       MNTX 
  ILULI ???  IR      C      23.05  51.65 DNK       ILULI
  SUMG  ???  IR      C      16.23  51.65 DNK       SUMG 
  JFWS  BHZ  US  00  +   a  65.23  53.15 ISC       JFWS 
  SFJD  ???  IR      C      24.77  53.43 DNK       SFJD 
  ABTX  BHZ  TA  --  +   a  80.88  54.43 ISC       ABTX 
  TUL1  BHZ  TA  --  +   a  75.26  54.52 ISC       TUL1 
  JCT   BHZ  US  00  +   a  82.86  55.81 ISC       JCT  
  JCT   BHZ  US  00  +   a  82.86  55.81 ISC       JCT  
  SCO   ???  IR      C      11.77  55.99 DNK       SCO  
  WHTX  BHZ  TA  --  +   a  79.87  56.20 ISC       WHTX 
  W39A  BHZ  TA  --  +   a  74.54  56.21 ISC       W39A 
  SFIN  BHZ  TA  --  +   a  65.66  56.59 ISC       SFIN 
  SCHQ  BHZ  CN  --  +   a  41.94  56.78 ISC       SCHQ 
  NVS   S?Z  IR      D     318.12  56.81 MOS       NVS  
  435B  BHZ  TA  --  +   a  80.99  56.96 ISC       435B 
  WHN   ???  IR      c     278.61  56.96 BJI       WHN  
  OLIL  HHZ  NM  --  +   a  67.73  57.13 ISC       OLIL 
  LCAR  HHZ  AG  00  +   a  72.02  57.17 ISC       LCAR 
  PARM  HHZ  NM  00  +   a  70.59  57.59 ISC       PARMO
  WLAR  HHZ  AG  00  +   a  75.38  57.65 ISC       WLAR 
  HENM  HHZ  NM  00  +   a  70.36  57.72 ISC       HENM 
  UTMT  HHZ  NM  01  +   a  70.28  58.33 ISC       UTMT 
  QZH   ???  IR      c     270.82  58.35 BJI       QZH  
  WCI   BHZ  IU  10  +   a  67.02  58.51 ISC       WCI  
  LVZ   B?Z  IR      C     348.67  58.90 MOS       LVZ  
  WVT   BHZ  IU  10  +   a  69.78  59.08 ISC       WVT  
  APA   S?Z  IR      D     349.07  59.36 MOS       APA  
  GTA   ???  IR      c     295.85  59.37 BJI       GTA  
  LZH   ???  IR      c     290.50  59.39 BJI       LZH  
  ALLY  HHZ  LD  --  +   a  60.33  59.56 ISC       ALLY 
  ALLY  HHZ  LD  --  +   a  60.33  59.56 ISC       ALLY 
  ALLY  BHZ  LD  --  +   a  60.33  59.56 ISC       ALLY 
  ALLY  BHZ  LD  --  +   a  60.33  59.56 ISC       ALLY 
  WCNY  BHZ  LD  --  +   a  55.74  60.29 ISC       WCNY 
  LONY  BHZ  US  00  +   a  54.59  60.38 ISC       LONY 
  UPAO  BHZ  PE  --  +   a  61.22  60.45 ISC       UPAO 
  FRNY  BHZ  LD  --  +   a  53.84  60.73 ISC       FRNY 
  NCB   HHZ  LD  --  +   a  54.90  61.02 ISC       NCB  
  NCB   BHZ  LD  --  +   a  54.90  61.02 ISC       NCB  
  BINY  BHZ  US  00  +   a  57.37  61.38 ISC       BINY 
  O56A  BHZ  TA  --  +   a  60.50  61.38 ISC       O56A 
  CPCT  HHZ  ET  00  +   a  68.16  61.47 ISC       CPCT 
  ACCN  BHZ  LD  --  +   a  55.05  61.73 ISC       ACCN 
  ACCN  BHZ  LD  --  +   a  55.05  61.73 ISC       ACCN 
  ACCN  HHZ  LD  --  +   a  55.05  61.73 ISC       ACCN 
  KURK  B?Z  IR      C     317.17  61.73 MOS       KURK 
  KUR02 BHZ  KZ  --  +   a 317.19  61.77 ISC       KUR02
  KUR03 BHZ  KZ  --  +   a 317.18  61.79 ISC       KUR03
  KUR11 BHZ  KZ  --  +   a 317.05  61.79 ISC       KUR11
  KUR12 BHZ  KZ  --  +   a 317.07  61.80 ISC       KUR12
  KUR04 BHZ  KZ  --  +   a 317.17  61.81 ISC       KUR04
  KUR14 BHZ  KZ  --  +   a 317.11  61.82 ISC       KUR14
  KUR05 BHZ  KZ  --  +   a 317.16  61.82 ISC       KUR05
  KUR15 BHZ  KZ  --  +   a 317.13  61.83 ISC       KUR15
  HCNY  BHZ  LD  --  +   a  56.02  61.85 ISC       HCNY 
  HCNY  HHZ  LD  --  +   a  56.02  61.85 ISC       HCNY 
  KUR16 BHZ  KZ  --  +   a 317.17  61.85 ISC       KUR16
  KUR07 BHZ  KZ  --  +   a 317.12  61.88 ISC       KUR07
  KUR20 BHZ  KZ  --  +   a 317.25  61.89 ISC       KUR20
  KUR09 BHZ  KZ  --  +   a 317.10  61.91 ISC       KUR09
  KUR10 BHZ  KZ  --  +   a 317.09  61.93 ISC       KUR10
  KSPA  HHZ  LD  --  +   a  57.75  61.95 ISC       KSPA 
  NPNY  HHZ  LD  --  +   a  56.61  62.66 ISC       NPNY 
  MVL   HHZ  LD  --  +   a  59.33  62.76 ISC       MVL  
  ODNJ  HHZ  LD  --  +   a  57.41  62.90 ISC       ODNJ 
  ODNJ  BHZ  LD  --  +   a  57.41  62.90 ISC       ODNJ 
  BRNY  HHZ  LD  --  +   a  56.79  62.97 ISC       BRNY 
  CD2   ???  IR      c     286.41  63.10 BJI       CD2  
  BRNJ  BHZ  LD  --  +   a  57.70  63.21 ISC       BRNJ 
  BRVK  B?Z  IR      C     323.34  63.23 MOS       BRVK 
  VOS   BHZ  KZ  --  +   a 322.73  63.23 ISC       VOSK 
  TUPA  HHZ  LD  --  +   a  58.48  63.26 ISC       TUPA 
  PSUB  BHZ  PE  --  +   a  58.83  63.29 ISC       PSUB 
  PAL   HHZ  LD  --  +   a  57.04  63.32 ISC       PAL  
  PAL   BHZ  LD  --  +   a  57.04  63.32 ISC       PAL  
  PANJ  HHZ  LD  --  +   a  58.02  63.36 ISC       PANJ 
  SVE   B?Z  IR      D     330.85  63.40 MOS       SVE  
  FOR   HHZ  LD  --  +   a  57.14  63.44 ISC       FOR  
  FOR   BHZ  LD  --  +   a  57.14  63.44 ISC       FOR  
  CPNY  BHZ  LD  --  +   a  57.24  63.45 ISC       CPNY 
  CPNY  BHZ  LD  --  +   a  57.24  63.45 ISC       CPNY 
  CPNY  HHZ  LD  --  +   a  57.24  63.45 ISC       CPNY 
  CPNY  HHZ  LD  --  +   a  57.24  63.45 ISC       CPNY 
  PAULI HHZ  CO  00  +   a  66.87  63.47 ISC       PAULI
  GOGA  BHZ  US  10  +   a  69.06  63.53 ISC       GOGA 
  ZRN   BHZ  KZ  --  +   a 323.95  63.78 ISC       ZRNK 
  JOF   HHZ  HE  --  -   a 348.50  64.09 ISC       JOF  
  JOF   BHZ  HE  --  +   a 348.50  64.09 ISC       JOF  
  ARU   B?Z  IR      C     331.69  64.35 MOS       ARU  
  GYA   ???  IR      c     280.95  64.59 BJI       GYA  
  SUF   BHZ  HE  --  +   a 351.00  64.86 ISC       SUF  
  SUF   HHZ  HE  --  -   a 351.00  64.86 ISC       SUF  
  NHSC  BHZ  US  00  +   a  67.07  65.64 ISC       NHSC 
  ANVS  BHZ  KR  --  +   a 312.09  68.23 ISC       ANVS 
  KONO  B?Z  IR      C     359.26  68.80 MOS       KONO 
  VSU   B?Z  IR      C     349.71  68.97 MOS       VSU  
  TARG  BHZ  KC  --  +   a 311.30  68.99 ISC       TARG 
  BOOM  BHZ  KR  --  +   a 312.97  69.25 ISC       BOOM 
  ULHL  BHZ  KN  --  +   a 312.62  69.31 ISC       ULHL 
  CHM   BHZ  KN  --  +   a 314.04  69.38 ISC       CHMS 
  FRU   S?Z  IR      C     314.02  69.57 MOS       FRU  
  AAK   BHZ  II  10  +   a 313.97  69.78 ISC       AAK  
  AAK   BHZ  KN  --  +   a 313.96  69.79 ISC       AAK  
  KZA   BHZ  KN  --  +   a 313.13  69.89 ISC       KZA  
  ABKAR BHZ  KZ  --  +   a 326.84  70.04 ISC       ABKAR
  EKS2  BHZ  KN  --  +   a 314.43  70.08 ISC       EKS2 
  OBN   S?Z  IR      D     343.22  70.79 MOS       OBN  
  KIEV  B?Z  IR      C     346.45  76.25 MOS       KIEV 
  BUG   BHZ  GR  --  +   a   0.63  77.03 ISC       BUG  
  TAUT  BHZ  TH  --  +   a 357.76  77.45 ISC       TAUT 
  FBE   BHZ  SX  --  +   a 356.69  77.47 ISC       FBE  
  MODW  BHZ  TH  --  +   a 357.27  77.47 ISC       MODW 
  OJC   BHZ  PL  --  +   a 352.44  77.79 ISC       OJC  
  PVCC  BHZ  CZ  --  +   a 355.88  77.81 ISC       PVCC 
  DPC   BHZ  CZ  --  +   a 354.72  77.90 ISC       DPC  
  AHRW  BHZ  GR  --  +   a   0.76  77.93 ISC       AHRW 
  WERD  BHZ  SX  --  +   a 357.35  77.97 ISC       WERD 
  WERN  BHZ  SX  --  +   a 357.30  78.13 ISC       WERN 
  NKC   BHZ  CZ  --  +   a 357.25  78.18 ISC       NKC  
  OKC   BHZ  CZ  --  +   a 353.47  78.29 ISC       OKC  
  PRU   BHZ  CZ  --  +   a 355.86  78.35 ISC       PRU  
  MORC  ???  IR      C     353.86  78.39 BUC       MORC 
  KBL   BHZ  IU  --  +   a 312.74  78.85 ISC       KBL  
  GOF   S?Z  IR      C     335.66  78.87 MOS       GOF  
  SORM  ???  IR      C     346.43  78.87 BUC       SORM 
  GRA4  HHZ  GR  --  +   a 357.88  78.88 ISC       GRA4 
  GRA4  BHZ  GR  --  +   a 357.88  78.88 ISC       GRA4 
  VRAC  ???  IR      C     354.44  78.92 BUC       VRAC 
  GRB4  BHZ  GR  --  +   a 357.80  78.97 ISC       GRB4 
  GRB4  HHZ  GR  --  +   a 357.80  78.97 ISC       GRB4 
  GRB1  BHZ  GR  --  +   a 357.74  79.05 ISC       GRB1 
  KHC   HHZ  CZ  --  +   a 356.44  79.25 ISC       KHC  
  WETR  BHZ  BW  --  +   a 356.91  79.26 ISC       WET  
  GRB5  BHZ  GR  --  +   a 357.71  79.33 ISC       GRB5 
  GRC4  HHZ  GR  --  +   a 357.81  79.35 ISC       GRC4 
  LANF  ???  IR      C       0.30  79.50 STR       LANF 
  GRC3  BHZ  GR  --  +   a 357.76  79.55 ISC       GRC3 
  GRC3  HHZ  GR  --  +   a 357.76  79.55 ISC       GRC3 
  TRPA  BHZ  HU  --  +   a 350.32  79.60 ISC       TRPA 
  BUR31 BHZ  RO  --  +   a 348.44  79.78 ISC       BUR08
  BURAR ???  IR      C     348.43  79.80 BUC       BURAR
  PSZ   ???  IR      C     352.07  80.06 BUC       PSZ  
  NCK   S?Z  IR      D     334.70  80.18 MOS       NCK  
  ECH   ???  IR      C       0.74  80.26 STR       ECH  
  ARCR  ???  IR      C     348.92  80.43 BUC       ARCR 
  MOF   ???  IR      C       0.76  80.62 STR       MOF  
  NEY   S?Z  IR      D     335.22  80.64 MOS       NEY  
  DRGR  ???  IR      C     349.99  80.91 BUC       DRGR 
  SIM   S?Z  IR      C     341.72  80.98 MOS       SIM  
  ARSA  BHZ  OE  --  +   a 354.99  81.03 ISC       ARSA 
  WILA  HHZ  CH  --  +   a 359.55  81.06 ISC       WILA 
  LOMF  ???  IR      C       0.98  81.12 STR       LOMF 
  DAVA  BHZ  OE  --  +   a 358.88  81.19 ISC       DAVA 
  VRI   ???  IR      C     347.05  81.32 BUC       VRI  
  PETR  ???  IR      C     346.68  81.39 BUC       PETR 
  DOPR  ???  IR      C     348.00  81.40 BUC       DOPR 
  ABSI  BHZ  SI  --  +   a 357.86  81.72 ISC       ABSI 
  BEHE  BHZ  HU  --  +   a 354.06  81.74 ISC       BEHE 
  CFR   ???  IR      C     345.93  81.79 BUC       CFR  
  KOGS  BHZ  SL  --  +   a 354.42  81.79 ISC       KOGS 
  MLR   ???  IR      C     347.52  81.80 BUC       MLR  
  FUORN BHZ  CH  --  +   a 358.60  81.85 ISC       FUORN
  VOIR  ???  IR      C     348.14  81.97 BUC       VOIR 
  KOSI  BHZ  SI  --  +   a 357.81  81.98 ISC       KOSI 
  BRMO  BHZ  IV  --  +   a 358.52  81.99 ISC       BRMO 
  DOBS  BHZ  SL  --  -   a 354.94  82.14 ISC       DOBS 
  AKH   ???  IR      C     334.01  82.15 BUC       AKH  
  BZS   ???  IR      C     350.57  82.18 BUC       BZS  
  CRNS  BHZ  SL  --  +   a 355.78  82.26 ISC       CRNS 
  EMBD  HHZ  CH  --  +   a   0.29  82.27 ISC       EMBD 
  VANNI HHZ  CH  --  +   a   0.46  82.27 ISC       VANNI
  HARR  ???  IR      C     345.97  82.30 BUC       HARR 
  AGO   ???  IR      C       3.59  82.33 STR       AGO  
  GBAS  BHZ  SL  --  +   a 355.64  82.40 ISC       GBAS 
  GCIS  BHZ  SL  --  +   a 354.81  82.41 ISC       GCIS 
  MABI  BHZ  IV  --  +   a 358.41  82.41 ISC       MABI 
  PLDF  ???  IR      C       3.25  82.43 STR       PLDF 
  TIRR  ???  IR      C     345.58  82.45 BUC       TIRR 
  JAVS  BHZ  SL  --  +   a 355.90  82.46 ISC       JAVS 
  VISS  BHZ  SL  --  +   a 355.35  82.51 ISC       VISS 
  CGRP  BHZ  NI  --  +   a 357.49  82.55 ISC       CGRP 
  PYM   ???  IR      C       3.70  82.62 STR       PYM  
  MRGE  HHZ  IV  --  +   a   0.84  82.71 ISC       MRGE 
  BOJS  BHZ  SL  --  +   a 355.04  82.79 ISC       BOJS 
  ROVR  HHZ  IV  --  +   a 358.00  82.81 ISC       ROVR 
  GNI   B?Z  IR      C     332.66  82.97 MOS       GNI  
  MDVR  ???  IR      C     350.38  83.00 BUC       MDVR 
  LSD   HHZ  GU  --  +   a   0.79  83.02 ISC       LSD  
  LSD   BHZ  GU  --  +   a   0.79  83.02 ISC       LSD  
  SSB   BHZ   G  10  +   a   2.63  83.15 ISC       SSB  
  LBL   ???  IR      C       3.56  83.15 STR       LBL  
  RSP   BHZ  GU  --  +   a   0.70  83.33 ISC       RSP  
  RSP   HHZ  GU  --  +   a   0.70  83.33 ISC       RSP  
  RRL   BHZ  GU  --  +   a   1.04  83.55 ISC       RRL  
  PCP   BHZ  GU  --  +   a 359.79  83.94 ISC       PCP  
  DOI   BHZ  IV  --  +   a   0.72  83.97 ISC       DOI  
  STV   BHZ  GU  --  +   a   0.67  84.23 ISC       STV  
  ENR   BHZ  GU  --  +   a   0.60  84.25 ISC       ENR  
  ISO   HHZ  FR  00  +   a   0.87  84.29 ISC       ISO  
  FINB  BHZ  GU  --  +   a 359.94  84.30 ISC       FINB 
  RUSF  BHZ  FR  01  +   a   2.00  84.51 ISC       RUSF 
  RUSF  HHZ  FR  01  +   a   2.00  84.51 ISC       RUSF 
  RUSF  BHZ  FR  07  +   a   2.00  84.51 ISC       RUSF 
  VTS   BHZ  MN  --  +   a 348.95  84.97 ISC       VTS  
  LARF  ???  IR      C       6.78  85.10 STR       LARF 
  VIEF  ???  IR      C       6.05  85.33 STR       VIEF 
  LRDF  ???  IR      C       4.20  85.41 STR       LRDF 
  RESF  ???  IR      C       5.83  85.42 STR       RESF 
  PDG   ???  IR      C     351.85  85.56 BUC       PDG  
  CARF  ???  IR      C       4.54  85.61 STR       CARF 
  TIR   BHZ  MN  --  +   a 351.26  86.58 ISC       TIR  

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