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Appendix D

The 20-bytes binary format.


Format name:  20 byte - Standard Binary Format
Institution:  MITPAN
Application:  CompiCat (Earthquake Catalog Processing Pakage)

col
len
format
name
Comment
1
4
i4
date
Time of earthquake in minutes A.D.
5
2
i2
latitude
Latitude,  degrees multiplied by 100
7
2
i2
longitude
Longitude, degrees multiplied by 100
9
2
i2
depth
Depth, km
11
2
i2
magnitude
First  magnitude (m1) multiplied by 100
13
2
i2
magnitude
Second magnitude (m2) multiplied by 100
15
2
i2
magnitude
Third  magnitude (m3) multiplied by 100
17
2
i2
magnitude
Fourth magnitude (m4) multiplied by 100
19
2
i2
intensity
Macroseismic intensity

NB: The first 4 bytes of the first record contain an integer,  which is the total number of records in the file (the number of eartthquakes plus 1).

Appendix D

Copyright ©  2008 MITPAN
ECP 1.3.0