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.

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 - including one that shook communities almost exactly two years earlier.

An earthquake of magnitude 7.3 on the Richter Scale rattled Alaska in the early hours of Thursday, a statement by the National Center for Seismology said