CMT Catalog Files

CMT Catalog in ASCII format

The CMT catalog is available in the ASCII "ndk" format:

all events 1976-2005 (or gzip compressed).
monthly since January 1, 2005.
events in 1976 only.
Some solutions are also available for deep earthquakes in 1962-1976 and
intermediate-depth earthquakes in 1962-1975.

Note that the "ndk" format is slightly different from the older "dek" format. Please see the description of the ndk format.

Solutions for earthquakes occurring 1976-2004 are still available in the old "dek" format:

all events 1976-2004 (or gzip compressed).
monthly 1994-2004.
events in 1976 only.
Solutions for deep earthquakes in 1962-1976 and
intermediate-depth earthquakes in 1962-1975.

An explanation of the "dek" format is also available.

Quick CMTs: Quick CMT solutions are available in the "ndk" format individually or as a single file. Quick CMT solutions are also available in the "dek" format individually or as a single file.

Maintained by G. Ekström and M. Nettles.
Last modified: September 26, 2006 (G. Ekström)