The siren in Pālolo has been broken for two years, Hack said. It’s one of the “red” sirens, so he wasn’t surprised when he ...

One tsunami-warning buoy six kilometers deep in the north Pacific recorded a 3-foot-high wave passing shortly after the quake ‒ a reflection of the staggering amount of energy released, said ...

On April 1, 1946, a powerful magnitude-8.6 earthquake in Alaska’s Aleutian Islands triggered a tsunami that raced southward and struck Hawaii without warning.

After a magnitude 8.8 earthquake hit off Russia’s Kamchatka Peninsula, tsunami alerts rippled out across Hawaii, Alaska, Japan, and the Pacific Coast. Science made those possible.

The National Tsunami Warning Center (NTWC) issued warnings, watches and advisories after the temblor struck about 7:30 p.m. ET on July 29, about 78 miles east-southeast of Petropavlovsk-Kamchatsky ...

A tsunami height of 3 to 4 meters (10 to 13 feet) was recorded in Kamchatka, while tsunami waves about 2 to 5 feet (0.61 to 1.52 meters) high reached San Francisco early Wednesday, officials said.

A tsunami warning, indicating the possibility of dangerous coastal flooding and powerful currents, was in effect there before being downgraded to an advisory Wednesday morning. “We’ve recorded wave ...

When the quake hit, words like “warning,” “watch,” and “advisory” immediately took over the news, but what exactly do these words mean? Subscribe Now KOIN Breaking News Alerts ...

Tsunami Warning: Means a tsunami is actively happening or is about to happen. Dangerous coastal flooding and powerful currents are possible.