There is no tsunami threat to Hawaiʻi following a preliminary 6.5 earthquake that struck off the state of Guerrero in Mexico, officials said.

A massive tsunami generated just offshore could turn large stretches of the U.S. Pacific coastline into a disaster zone within minutes, overwhelming cities, ports and highways that now sit comfortably ...

(CNN) — Here is a look at tsunamis. Tsunamis are formed by a displacement of water – a landslide, earthquake, volcanic eruption, or slippage of the boundary between two of the earth’s tectonic plates ...

A massive earthquake and subsequent tsunami off Russia in late July tested an experimental detection system that had deployed a critical component just the day before. A recent tsunami triggered by a ...