Posted: 2026-07-01 23:47:41

System Upgrade 2026-07-02

The fdsn.org website will undergo a scheduled upgrade on 2026-07-02. Some operations may be paused during the process, and live data such as user sessions may be reset.

This message will be updated with details as the update time approaches.

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	2022-03-28 18:52:37
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)