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A powerful 8.8 magnitude earthquake off Russia's far eastern Kamchatka Peninsula has triggered tsunami warnings in Japan and several states in the western United States, including Hawaii, Alaska and California.

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.