The Pacific Tsunami Warning Center said a tsunami advisory was in effect for the coast of California and an Alaskan coastal island area from Kodiak to Attu.
The center says a tsunami has been generated that could cause damage along coastlines of all islands in the Hawaii. It said a tsunami in California and Alaska was possible.
The Ewa (EH-vah) Beach, Hawaii-based tsunami center says the first waves are expected to arrive at 11:19 a.m. Saturday (4:19 p.m. EST).