Scope and Contents "On April 1, 1946, the Hawaiian Islands were subjected to a series of high waves of extremely long period, apparently originating in the Aleutian trough. Investigation of the tsunami in the Hawaiian Islands was undertaken by two groups of interested engineers and scientists who were in the Islands at the time. The first group was from the University of California at Berkeley and was in the charge of Prof. H. W. Iversenof the Department of Mechanical Engineering ... The second group was from...