Tools & Calculators
Free, no-sign-up tools that let you work directly with plainquake's data.
What these tools answer
Both tools draw on the live USGS ComCat archive of 317,293 M4+ earthquakes across 187 countries and 39 U.S. states and territories.
- 317,293
- M4+ events in the archive
- 39
- U.S. states/territories tracked
- 2
- interactive tools on this hub
Open a tool below to score a state's catalog risk or compare seismic percentiles against the same evidence.
- Risk Calculator Open the risk calculator →
- Seismic Risk Percentile Open the seismic risk percentile →
What's in the archive these tools query
317,293 M4+ earthquakes across 187 countries and 39 US states/territories -- the same live USGS ComCat catalog both tools above draw from.
See the full coverage breakdown by country, state, year, and magnitude on /statistics. Download plainquake-country-statistics.csv.
According to the US Geological Survey Earthquake Hazards Program, PlainQuake's figures are rendered directly from 317,293 recorded M4+ earthquakes and 14,444 significant M6+ events (USGS ComCat, 2005-present) -- no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.