USGS Earthquake Hazards Program API
Science & Math · Operational · 30d uptime 100%
USGS Earthquake Hazards Program, responsible for monitoring, reporting, and researching earthquakes and earthquake hazards
Trust signals
Pricing
FREE
Auth
NONE
CORS
Yes
Rate limit
No documented rate limits
Health
396ms
Trust score
94 (A)
Last checked Oct 17, 2026 · uptime 24h 100% / 7d 100% / 30d 100%
Excellent production-readiness signals.
Links
- Homepageearthquake.usgs.gov
- Documentationearthquake.usgs.gov/fdsnws/event/1/
- Base URLearthquake.usgs.gov/fdsnws/event/1/
Integration checklist
- Auth is NONE
- CORS enabled — callable directly from browsers.
- Rate limit: No documented rate limits