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Keen IO vs USGS Earthquake Hazards Program

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

APIKeen IOHEALTHY92USGS Earthquake Hazards ProgramHEALTHY93
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms507286
P95 · ms14614354
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedPublic domain (U.S. Government work)
Free tierFree tier — key may be requiredFree — no API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Keen IO vs USGS Earthquake Hazards Program: common questions

Which is more reliable, Keen IO or USGS Earthquake Hazards Program?

Both are neck-and-neck — Keen IO and USGS Earthquake Hazards Program each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Keen IO or USGS Earthquake Hazards Program?

USGS Earthquake Hazards Program has the lower median latency in our checks — Keen IO responds in 507 ms versus USGS Earthquake Hazards Program at 286 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 Keen IO and USGS Earthquake Hazards Program need an API key?

USGS Earthquake Hazards Program needs no key, while Keen IO requires a free API key. If you want to start calling without signup, reach for USGS Earthquake Hazards Program first.

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

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

Are Keen IO and USGS Earthquake Hazards Program free for commercial use?

Keen IO 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.