Tennessee, South Carolina, Arkansas, Missouri, and Illinois are among the states with the highest numbers of people at earthquake risk, according to USGS data.
Notes on verification
Confirmed directly by USGS press release and corroborated by multiple independent news outlets (CBS News, Christian Science Monitor, phys.org) reporting the same 2015 USGS/Earthquake Spectra study. [cascade flags: aggregator_dropped_primary_exists | tier=silver indep_score=0.95 clusters=3 claim_tier=notable]
Sources
- If You Think You're Safe From Earthquakes, You May Be ... (seed:environment_and_wildlife)
- https://www.usgs.gov/news/featured-story/nearly-half-americans-exposed-potentially-damaging-earthquakes (corroboration)
- https://www.cbsnews.com/news/nearly-half-of-americans-at-risk-of-an-earthquake/ (corroboration)
- https://www.csmonitor.com/Science/2015/0818/Do-you-live-in-an-area-prone-to-quakes-You-might-be-surprised (corroboration)