Register for emergency alerts from local public safety officials. The National Tsunami Warning Center determines the threat level of a tsunami by collecting data from across the Pacific Ocean.

the tsunami warning coordinator at the National Tsunami Warning Center in Alaska. “That is the No. 1 reason why people need to understand what their hazard zone is ahead of time.” The changes ...

In a statement, the US National Tsunami Warning Center warned that California, Oregon, Washington, Alaska and the Canadian province of British Columbia are all expected to be affected from the ...

A strong 7.1 magnitude earthquake hit near Tonga, a country in Polynesia made up of 171 islands with a population of a little more than 100,000 people.

The Pacific Tsunami Warning Center later called off an alert issued immediately after the jolt that warned of waves of 1 to 3 meters along some parts of the Papua New Guinea coastline. A caution ...

according to the U.S. Tsunami Warning Center. The earthquake was centered 194 km east of Kimbe, the capital of the province of West New Britain, according to the U.S. Geological Survey.

Hours later, a second 6.1 magnitude quake hit in the same area. The Pacific Tsunami Warning Center in Hawaii issued an alert following the first quake saying hazardous waves could be possible but ...