Data Center: USGS

Name	USGS
Full Name	USGS Earthquake Hazards Program
Summary	Advanced National Seismic System (ANSS)
Aliases
Website	https://earthquake.usgs.gov/
Contact	gs-haz_dev_team_group@usgs.gov
Citation	https://doi.org/10.5066/F7MS3QZH U.S. Geological Survey. (2017). Advanced National Seismic System (ANSS) Comprehensive Catalog. U.S. Geological Survey. https://doi.org/10.5066/F7MS3QZH
Last Updated	July 2, 2026, 8:48 p.m.
Services	fdsnws-event-1: https://earthquake.usgs.gov/fdsnws/event/1/ Access to earthquake catalog api realtime-feeds: https://earthquake.usgs.gov/earthquakes/feed/v1.0/ Access to realtime earthquake feeds
Full Record	Query the service API (returns JSON)