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Apr. is tsunami awareness month throughout Hawai`i

Detailed Description

November 29, 1975 tsunami damages. Left: Submerged coconut grove at Halape. This part of the coast subsided by as much as 3.5 m, leaving the grove submerged in 1.2 m of water. The tsunami swept over the area in foreground, reaching 13.1 m above the shoreline. The highest wave reached 14.6 m above the postsubmergence shoreline