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Noctua vs USGS Earthquake Hazards Program

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

APINoctuaHEALTHY91USGS Earthquake Hazards ProgramHEALTHY91
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%100%
P50 · ms742549
P95 · ms20371638
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedPublic domain (U.S. Government work)
Free tierFree — limits not publishedFree — no API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Noctua vs USGS Earthquake Hazards Program: common questions

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

On our scheduled checks, Noctua leads on measured uptime — Noctua at 100% versus USGS Earthquake Hazards Program at 99.02% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, Noctua or USGS Earthquake Hazards Program?

USGS Earthquake Hazards Program has the lower median latency in our checks — Noctua responds in 742 ms versus USGS Earthquake Hazards Program at 549 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do Noctua and USGS Earthquake Hazards Program need an API key?

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

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

Only USGS Earthquake Hazards Program is browser-friendly — it returns CORS headers over HTTPS. Noctua needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Noctua and USGS Earthquake Hazards Program free for commercial use?

Noctua has unclear commercial terms, and USGS Earthquake Hazards Program 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.