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 ...

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

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 6.1-magnitude earthquake was reported east of the Kuril Islands on Monday (August 25), according to the United States ...

A major earthquake with a preliminary magnitude of 7.3 initially triggered a tsunami warning for the southern Alaska Peninsula. It was later downgraded to an advisory.

ANCHORAGE, AlaskaANCHORAGE, Alaska — A swarm of earthquakes was recorded Tuesday off Alaska’s Aleutian Islands, including the largest with a magnitude of 6.8 followed by aftershocks. There were few ...

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

A new study reveals that an earthquake early warning system, similar to the USGS ShakeAlert used in California, Oregon, and ...

A 7.2 magnitude earthquake triggered a brief tsunami advisory for southern Alaska late Saturday, but the advisory was canceled about an hour later, monitoring bodies reported. The earthquake was ...

ALASKA -- The Latest on the earthquake in Alaska (all times local): 10:10 a.m. Officials have canceled a tsunami warning for coastal areas of southern Alaska following the 7.0-magnitude earthquake ...

The new study reveals more recent activity along the Tintina fault, which stretches about 600 miles, from northeastern ...