What's the Most Earthquake-prone State in the U.S.?

Alaska rocks, much more than the rest of the United States.

The northernmost state, which happens to straddle the border of two tectonic plates, gets hit with a magnitude 7 earthquake almost every year, and a magnitude 8 or greater earthquake on average every 14 years.

The U.S. Geological Survey estimates that over a 29-year span from 1974 to 2003, the “Last Frontier” experienced 12,053 earthquakes, accounting for over half of the nation’s earthquakes that register at least a 3.5 magnitude on the Richter scale.

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