One of the deadliest natural disasters in modern history, the 2004 Indian Ocean tsunami marks its 20th anniversary on Dec. 26 ...

Tsunami warnings are not uncommon along the West coast, where warning sirens and signs in many areas provide a terrifying warning for coastal residents: A wall of water could potentially be coming ...

The powerful earthquake that struck in Northern California on Thursday prompted a brief tsunami warning affecting about 5 million people along a stretch of the West Coast—from Northern ...