OUTDOORS Geophysical Institute, University of Alaska Fairba On April 1, 1946, the sea floor ruptured just south of Unimak Island in the Aleutians. Seawater displaced by the giant earthquake sent a 100-foot wave into the Scotch Cape lighthouse on Unimak, destroying the concrete structure and killing the five men inside. They probably never knew what hit them in the 2 a.m. darkness.

Survivor of 1946 North Pacific tsunami shares her story

Jeanne Branch Johnston's Uncle Rod Mason Took This Photo Of A Alaska-Generated Tsunami Wave That Hit Hilo, Hawaii, On April 1, 1946. Photo By Rod Mason, Courtesy Of The Pacific Tsunami Museum
  1 of 1  
Return to Story