The tsunami of November 4, 1952, reached maximum heights at Hilo, Hawaii, of about 12 feet. In a small area the heights were nearly the same as those reached by the tsunami of April 1, 1946. Around most of the island, however, they were very much less, and at many places no rise of water level was detected. Damage resulted almost entirely from relatively gentle flooding. Differences between the two tsunamis indicate the difficulty of predicting height of water and nature of effects at specific localities, and emphasize the need for additional data.

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