N​early 75% of the country is at risk for a potentially damaging earthquake, according to a recently updated USGS map.
Large sections of other Western states, Texas and the Great Plains also have a high rate of properties at risk, as does parts of Florida. You can zoom in and hover over counties on the maps below ...
A Feb. 21-22, 1971 outbreak claimed 121 lives from Texas to North Carolina, the deadliest February rash of tornadoes in ...