Earthquake Risk Grows in Midwest, East

The risk of serious earthquakes, normally associated with California, is increasingly being found in the central and eastern parts of the country, according to a recently released update to the US National Seismic Hazards Map.

Frequency of earthquakes in the central and eastern U.S

The USGS report notes the frequency of earthquakes in the central and eastern U.S. has increased by 400 percent, to an average of 100 a year during the 2011-2013 period, up from only 20 per year during the 30-year period leading up to 2000. The states most at risk are in Missouri and Illinois, the report...