data_source 1 5 char 0 
century 6 7 char 0
year 8 9 char 0
month 10 11 char 0
day 12 13 char 0
hour 14 15 char 0
minute 16 17 char 0
second 18 22 long 2
authority_for_location 23 25 char 0
latitude 26 31 long 3
longitude 32 39 long 3
depth 40 44 long 1
Flinn_Engdahl_region 45 47 short 0
number_of_stations_max 48 50 ushort 0
mb_magn 51 53 long 1
MS_magn 54 56 long 1
magnitude_other 57 60 long 2
magn_other_type 61 62 char 0
magn_other_source 63 67 char 0
magn_one 68 71 long 2
magn_one_scale 72 73 char 0
magn_one_source 74 78 char 0
magn_two 79 82 long 2
magn_two_scale 83 84 char 0
magn_two_source 85 89 char 0
magn_three 90 93 long 2
magn_three_scale 94 95 char 0
magn_three_source 96 100 char 0
magn_four 101 104 long 2
magn_four_scale 105 106 char 0
magn_four_source 107 112 char 0