According to the Alaska Earthquake Center, the Aleutian megathrust is the primary cause of the strongest earthquakes in the region. It's a major subduction zone fault, an area where two tectonic ...

Scientists say a warning system could have given people on the Alaska Peninsula 10 seconds or more to brace themselves for July's M7.3 earthquake.

A reported 7.5 magnitude earthquake off the Alaska Peninsula on Monday prompted tsunami warnings for a vast swath of communities, leading some schools to evacuate and send students to higher ground.

After a 7.3 magnitude earthquake struck Alaska’s southern coast, the National Weather Service downgraded the initial tsunami warning to an advisory.

Topline A tsunami advisory was lifted Wednesday afternoon for a portion of the Alaskan Peninsula coastline following a 7.3 magnitude earthquake that shook 50 miles off its coast, after the ...

Hawaii is being warned that "urgent action should be taken to protect lives and property." Watches have been ordered for California, Oregon, Washington and a vast swath of Alaska’s coastline.