Large distant earthquakes in the past have generated tsunamis that caused significant damage and deaths in Hawaii. In 1946, a magnitude-7.9 Aleutian Islands, Alaska earthquake generated a tsunami that killed 159 people in the State of Hawaii, with a maximum wave run-up height of 16 meters (55 feet) measured at Pololu Valley on the Island of Hawaii.

Hours after a massive 8.8 magnitude earthquake struck near the Russian coast, becoming one of the strongest tremors ever recorded, tsunami waves arrived in Hawaii and the U.S. West Coast following efforts to get hundreds of thousands away from coastlines and to higher ground.