Scotch Cap Lighthouse was built in 1903 and was manned by the US Coast Guard . On April 1 , 1946 , during the 1946 Aleutian Islands earthquake , the lighthouse was struck by a tsunami . Even though the lighthouse was above the sea , the lighthouse slid into the sea , killing five Coast Guard personnel
1946 Aleutian Islands earthquake
1946 Aleutian Islands earthquake
Unimak Island