NUVEL-1(A) velocity boundary condition on all Earth2P subduction zones
      1     6  3    7.58    -82.40
      2    13  3   13.74    -93.26
      3    15  3   -0.41    -81.17
      4    17  3    6.09    -77.82
      5    22  3   -6.62    -81.69
      6    40  3   21.11   -106.30
      7    44  3  -14.56    -77.41
      8    56  3   10.12    -58.15
      9    62  3  -21.84    -71.26
     10    63  3   19.28    -62.10
     11    75  3   16.04    -58.30
     12    84  3  -31.68    -72.61
     13   121  3   40.40   -124.78
     14   123  3  -45.85    -75.94
     15   124  3  -45.85    -75.94
     16   142  3   45.85   -125.49
     17   157  3  -53.45    -75.99
     18   165  3   51.25   -130.44
     19   211  3   59.41   -145.65
     20   232  3   54.29   -157.25
     21   243  3  -54.99    -27.73
     22   265  3   51.49   -169.51
     23   266  3  -15.24   -172.52
     24   271  3  -60.74    -24.38
     25   287  3  -28.75   -176.01
     26   311  3   51.34    175.40
     27   326  3  -40.82    178.00
     28   341  3   55.05    163.68
     29   348  3  -23.09    170.84
     30   365  3   37.36     15.58
     31   368  3   47.57    155.49
     32   372  3  -11.70    165.13
     33   380  3   38.93     18.49
     34   392  3   35.29     23.08
     35   399  3   -8.48    156.76
     36   414  3   35.44     30.31
     37   416  3   40.78    144.22
     38   423  3   35.07     35.65
     39   426  3   27.07    143.28
     40   427  3   15.21    147.76
     41   438  3   34.73    141.89
     42   440  3   34.73    141.89
     43   442  3   -6.91    147.42
     44   467  3   29.77    131.85
     45   470  3   11.06    138.90
     46   498  3   26.37     53.74
     47   501  3   -0.87    134.09
     48   505  3   -6.16    133.10
     49   513  3   23.14    123.29
     50   515  3    6.99    127.34
     51   525  3   15.99    122.61
     52   539  3   24.18     64.92
     53   547  3  -11.50    121.29
     54   587  3   -7.50    102.46
     55   594  3    4.28     93.08