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USGS Earthquake Hazards Program vs TensorFeed

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

APIUSGS Earthquake Hazards ProgramNEW—TensorFeedNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licensePublic domain (U.S. Government work)Unverified
Free tierFree — no API key requiredFree — no key (static JSON feed endpoints)
Rate limitUnpublished120 req/window · 119 remaining · resets 60
In directory since2026-07-052026-07-05
operationalpartialdownno data

USGS Earthquake Hazards Program vs TensorFeed: common questions

Which is more reliable, USGS Earthquake Hazards Program or TensorFeed?

On our scheduled checks, TensorFeed leads on measured uptime — USGS Earthquake Hazards Program at —% versus TensorFeed 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 TensorFeed need an API key?

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

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

Yes — both USGS Earthquake Hazards Program and TensorFeed 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 TensorFeed free for commercial use?

USGS Earthquake Hazards Program allows commercial use on its free tier, and TensorFeed has unclear commercial terms. 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.