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Unusual Units Converter vs USGS Earthquake Hazards Program

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

APIUnusual Units ConverterHEALTHY100USGS Earthquake Hazards ProgramHEALTHY94
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms137286
P95 · ms2523561
Authnonenone
CORSyesyes
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

Unusual Units Converter vs USGS Earthquake Hazards Program: common questions

Which is more reliable, Unusual Units Converter or USGS Earthquake Hazards Program?

Both are neck-and-neck — Unusual Units Converter 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, Unusual Units Converter or USGS Earthquake Hazards Program?

Unusual Units Converter has the lower median latency in our checks — Unusual Units Converter responds in 137 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 Unusual Units Converter and USGS Earthquake Hazards Program need an API key?

Neither needs a paid key — Unusual Units Converter 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 Unusual Units Converter and USGS Earthquake Hazards Program from the browser?

Yes — both Unusual Units Converter and USGS Earthquake Hazards Program 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 Unusual Units Converter and USGS Earthquake Hazards Program free for commercial use?

Unusual Units Converter 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.