source 1 3 char 0
day 4 5 short 0
month 6 7 short 0
century_and_year 8 11 long 0
hour 12 13 short 0
minute 14 15 short 0
seconds 16 17 short 1
latitude 18 21 long 2
longitude 22 25 long 2
depth 26 27 short 0
magn_other 28 29 short 1
magn_other_type 30 32 char 0
number_of_arrivals 33 34 short 0
origin_time_std 35 36 short 2
code_relocation 37 37 char 0
depth_negate 38 39 short 0
year_decimal 40 47 double 10