Wave patterns on the White Sand Beach of Wineglass Bay, Freycinet National Park, Freycinet Peninsula, Coles Bay, Tasmania, Australia, Pacific

Camogli, Liguria, Italy, Mediterranean, Europe

Generated by an undersea earthquake, a tsunami may propagate over open ocean waters before cresting and inundating a coastline.

Father and daughter sitting in the water on the shoreline playing in the foamy surf along Kamaole Beach, Maui, Hawaii, United States of America