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 ...

The National Weather Service office in Juneau reported no injuries or infrastructure damage from the landslide or tsunami.

A massive tsunami-causing landslide in Southeast Alaska on Sunday likely sent more than 100 million cubic meters of debris — ...

A 5.1 magnitude earthquake has struck Alaska, the U.S. Geological Survey (USGS) said. The epicenter was recorded at around 90 ...

Warnings, advisories and watches were issued in Alaska, Hawaii, California, Oregon and Washington after a magnitude 8.8 ...

A tsunami advisory was also issued for parts of Alaska and the entire West Coast after a powerful earthquake off Russia's ...

One of the strongest earthquakes ever recorded struck Russia's Far East early Wednesday, sending tsunami waves into Japan and ...

Communities along a 700-mile (1,127-km) stretch of Alaska’s southern coast ordered residents to higher ground after a powerful offshore earthquake Wednesday, but officials quickly downgraded and ...

The entire U.S. West Coast was facing a tsunami threat after an 8.8 magnitude earthquake erupted off Russia's eastern coast ...

A magnitude 7.3 earthquake struck the Alaska Peninsula on the afternoon of July 16, briefly triggering a tsunami warning for the state's southern coast as communities were ordered to move inland ...

Officials have canceled a tsunami warning for coastal areas of southern Alaska following the 7.0-magnitude earthquake that shook Anchorage. National Tsunami Warning Center senior technician ...

A magnitude 7.3 earthquake struck 54 miles south of Sand Point, Alaska, triggering a tsunami warning. The warning was later downgraded to an advisory, impacting areas like Kodiak, Cold Bay, and ...