A major earthquake with a preliminary magnitude of 7.3 initially triggered a tsunami warning for the southern Alaska Peninsula. It was later downgraded to an advisory.

S everal earthquakes, including a 7.4 magnitude one, struck off the Russian coast on Sunday, according to the U.S. Geological Survey, prompting brief warnings of potential tsunami waves on the nearby peninsula and farther across the Pacific in Hawaii.

A brief tsunami watch for Hawaii was called off, but experts warn residents to remain prepared for future threats.