On May 22 , 1960 , another tsunami , caused by a 9.5-magnitude earthquake off the coast of Chile that day , claimed 61 lives , allegedly due to the failure of people to heed warning sirens . Low-lying bayfront areas of the city on Waiākea peninsula and along Hilo Bay , previously populated , were rededicated as parks and memorials
9.5-magnitude earthquake
1960 Valdivia earthquake
Hilo, Hawaii