QDDS Information

Quake Data Distribution System (QDDS) program

QDDS requires that events be in "CUBIC" format.

C code for generating the necessary checksum character.

FORTRAN code for generating the necessary checksum character.

A template to make reading a cubic file easier.

Advanced National Seismic System Quick Data Merge program (QDM)

Using QDDS&QDM with the Seismic/Eruption program

ANSS networks participating in data distribution

Advanced National Seismic System

Authoritative region boundaries