Ka kammala wannan furcin: An soma gina wani mashigin ruwa a ƙetaren Hilo Bay a farkon ƙarni na 20 kuma an kammala shi a shekara ta 1929. A ranar 1 ga Afrilu, 1946, wani
Girgizar kasa mai karfin maki 7.8 kusa da tsibirin Aleutian ta haifar da tsunami wanda ya afkawa Hilo sa'o'i 4.9 bayan haka, inda ya kashe mutane 160. A sakamakon haka, aka kafa cibiyar da ke faɗakar da mutane game da guguwar tsunami a shekara ta 1949 don ta san inda guguwar take da kuma yi musu gargaɗi. Wannan tsunami kuma ya haifar da ƙarshen Haɗin Haɗin Haɗin Haɗin Hauwa'u, kuma a maimakon haka an gina titin Hawaii Belt Road a arewacin Hilo ta amfani da wasu tsoffin layin dogo.