A massive earthquake struck off the coast of the Indonesian island of Sumatra on Wednesday afternoon, triggering a tsunami watch for the Indian Ocean, which was later canceled. The quake struck ...

What's the difference between a watch and a warning? Here's a look at each type of alert. Warning A warning means that "a tsunami with the potential to generate widespread inundation is imminent ...

The Pacific Tsunami Warning Center said effective 12:20 p.m. the tsunami watch has been canceled. 10:30 a.m. The tsunami watch for Hawaii remains in effect, with the magnitude of the earthquake ...

A tsunami watch, which is currently in place for the U.S. West Coast, means a tsunami has yet to be verified, but could exist and "may be as little as an hour away," it adds. In an emergency ...

PORTLAND, Ore. – A 7.9-magnitude earthquake struck off the Alaskan coastline early Tuesday morning, putting Oregon and Washington under a tsunami watch. While the tsunami watch was reduced to an ...

When a tsunami watch went out overnight Tuesday via text messages, phone calls and on the radio to residents of the Oregon Coast, most were asleep and oblivious of the potential danger. That ...

Recommended Videos The tsunami watch for Hawaii has been cancelled. "Sea level readings from the nearest two deep-ocean dart gauges now confirm there is no tsunami threat to Hawaii although some ...

Technical issues made it difficult to get information about a tsunami watch for Hawaii and its subsequent cancellation, the National Weather Service said today. The brief tsunami watch was ...

They can be unpredictable and happen unexpectedly. So what causes a tsunami? Watch our video to find out more.

What's the difference between a watch and a warning? Here's a look at each type of alert. Warning A warning means that "a tsunami with the potential to generate widespread inundation is imminent ...