Timeline of major changes to the NCSS
- 1997-04-29 Catalog update – GPS station locations & new station traveltime corrections (no blog entry)
- 2004-09-25 Archive of continuous BK HL? And HH? waveforms initiated
- 2006-10-16 Incorporation of PG waveform data in near-real time
- 2006-11-29 AQMS replaces CUSP. NC & BK networks combined in earthquake processing
- 2007-07-23 Incorporation of BG waveform data in near-real time (no blog entry)
- 2011-11 Incorporation of CE event triggers (no blog entry)
- 2013-05-27 Catalog change - Geysers reporting threshold changed
- 2015-10-07 Catalog change - Use of new depth reference
- 2017-06-06 Catalog snapshots initiated on github