Alaska is the most earthquake-prone state in the U.S. and one of the most seismically active regions in the world, according to the U.S. Geological Survey.

Alaska is the most earthquake-prone state in the U.S. and one of the most seismically active regions in the world, according to the U.S. Geological Survey.

Alaska is the most earthquake-prone state in the U.S. and one of the most seismically active regions in the world, according to the U.S. Geological Survey. The state experiences a magnitude 7 ...

Wednesday’s magnitude 7.3 earthquake off Alaska’s Aleutian Islands chain struck in a region that has experienced a handful of powerful quakes within the last five years.