This directory contains the following: anss: Directory containing a composite US (and worldwide) earthquake catalog from 1898 to 2012. The CNSS (Council of the National Seismic System) has constructed this catalog from contributing US regional and national networks. More information on the ANSS catalog is available at: http://ncedc.org/anss This catalog is searchable via the WWW using the form: http://ncedc.org/anss/catalog-search.html Documentation on the catalog format is available at: ftp://www.ncedc.org/pub/doc/cat5/cnss.catalog.txt ncss: Directory containing the NCSS catalog, phase information and mechanisms from 1966 to present. They are available in Hypoinverse. For documentation on the formats, please go to: ftp://www.ncedc.org/pub/doc/cat5/NCSN.CATALOG.txt ftp://www.ncedc.org/pub/doc/cat5/NCSN.PHASE.txt ftp://www.ncedc.org/pub/doc/cat5/NCSN.MECH.txt NCSS-catalogs: These files contain a current snapshot of the earthquake parameters catalog of the Northern California Seismic Network from 1966 to present. They are available in the EHP CSV format. For documentation on the format, please go to: https://earthquake.usgs.gov/earthquakes/feed/v1.0/csv.php b167707383_C3383498.pdf: Catalog of earthquakes in Northern California and adjoining areas : 1 January 1910-31 December 1972 / Bruce A. Bolt [and] Roy D. Miller. Available from the UC Berkeley Library System (http://oskicat.berkeley.edu/record=b24312968~S1). READ_brk1093p: The information file for brk1092g.cat, which contains the Berkeley catalog between 1910 and December 31, 1993. READ_townalln: The information file for townalln.cat, which contains the Townley-Allen catalog for events between 1769 and 1927. brk1092p.cat: Contains the Berkeley catalog between 1910 and December 15, 1993. townalln.cat: Contains the Townley-Allen seismicity catalog for events between 1769 and 1927. eqsel: The compiled (on a Sun 690MP) executable of a searching program for the above catalogs. eqselv3.f: The source code for eqsel.