Hawaii faces a major tsunami risk, but 24/7 monitoring and evacuation plans help keep residents safe. Learn how experts track ...

A small business owner has explained why swimmers should never turn their backs on the ocean after he captured a terrifying video of a wave crashing into beachgoers in Hawaii. California-based ...

A 54-year-old man died after a “rogue wave” carried him into the ocean while he was at a tidal pool area with family in Hawaii, police said. Royden Daikawa of Hilo struggled to swim back to ...

But very large storms with high, sustained winds can generate waves with periods of more than 20 seconds. These waves travel much faster, over 100km per hour in the open ocean, and their energy (which ...