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USGS Earthquake Hazards Program vs USGS Water Services

Same instrument, two spec sheets — measured, not claimed.

APIUSGS Earthquake Hazards ProgramNEW—USGS Water ServicesNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesyes
Data licensePublic domain (U.S. Government work)Public domain (U.S. Government work)
Free tierFree — no API key requiredFree — no API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

USGS Earthquake Hazards Program vs USGS Water Services: common questions

Which is more reliable, USGS Earthquake Hazards Program or USGS Water Services?

On our scheduled checks, USGS Water Services leads on measured uptime — USGS Earthquake Hazards Program at —% versus USGS Water Services at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do USGS Earthquake Hazards Program and USGS Water Services need an API key?

Neither needs a paid key — USGS Earthquake Hazards Program is callable with no signup, and USGS Water Services is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call USGS Earthquake Hazards Program and USGS Water Services from the browser?

Yes — both USGS Earthquake Hazards Program and USGS Water Services send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are USGS Earthquake Hazards Program and USGS Water Services free for commercial use?

USGS Earthquake Hazards Program allows commercial use on its free tier, and USGS Water Services allows commercial use on its free tier. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.