The East Tennessee earthquake on May 10 was one of the strongest to hit the region since 1900. The East Tennessee Seismic Zone is an active one, even if it isn’t known to produce quakes strong enough to be catastrophic.
The most recent one centered near Greenback fits that pattern: At 4.1 magnitude, it wasn’t enough to do damage, but it definitely was enough to catch everyone’s attention.
“You guys are in earthquake country, you’re in tornado country. And we always tell people when they feel an earthquake, think of that as a wake-up call,” U.S. Geological Survey geophysicist Thomas Pratt told Knox News last year…