A magnitude 7.3 earthquake struck Wednesday afternoon just south of the northern Aleutian Islands in Alaska. The epicenter was roughly 600 miles southwest of Anchorage, Alaska. A tsunami warning was in effect for less than an hour,

A massive 7.3 earthquake rattled coastal southwestern Alaska on Tuesday, sending a jolt through homes along coastal towns and even generating a small tsunami.

The U.S. Tsunami Center said the warning was in effect from about 40 miles (64.4 km) southwest of Homer to Unimak Pass, a distance of about 700 miles.