The 1946 Aleutian Islands earthquake occurred near the Aleutian Islands, Alaska on April 1, 1946. It was followed by a Pacific-wide tsunami. The earthquake was a magnitude 8.1, with its epicenter at 52.8°N, 163.5°W, and focal depth of 25 km. It resulted in 165 casualties (159 people on Hawaii and six in Alaska) and over $26 million in damages. Multiple destructive waves at heights ranging from 45–130 ft occurred. The tsunami obliterated the Scotch Cap Lighthouse on Unimak Island, Alaska among others, and killed all five lighthouse keepers.