The 5.2-magnitude earthquake on Monday shook the ground and nerves in San Diego, but some scientists were already scanning the ocean floor for tremors.

The word for tsunami comes from the Japanese characters for harbor and wave. It's a series of extremely long waves set in motion when energy from an earthquake causes the ocean floor to suddenly ...

A tsunami is a series of large, persistent waves caused by the sudden displacement of a body of water. Earthquakes are responsible for more than 80 per cent of tsunamis that form around the world ...

The state’s most destructive tsunami hit in 1964 in Crescent ... Bear in mind that you may need to evacuate on foot if the tsunami has been caused by an earthquake that’s damaged nearby roads. If you ...

WELLINGTON, New Zealand (AP) — A 7.0 magnitude earthquake hit near Tonga early Monday morning, causing slight damage and brief evacuations before the threat of a tsunami hitting the Pacific ...