Researchers found that a potential powerful earthquake combined with rising sea levels could lead to a mega tsunami.

The quake also lowered coastal forests into the tidal zone, creating 'ghost ... unstable volcanoes in Hawaii, and powerful ...

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 ...