KEMA officials is urging residents to know evacuation zones and plan ahead. The month commemorates the April 1, 1946 tsunami in Hawaii that was generated by a large earthquake in the Aleutian Islands.

Note: Map shows the area with a shake intensity of 4 or greater, which U.S.G.S. defines as “light,” though the earthquake may be felt outside the areas shown. Source: U.S.G.S.