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 ...

Residents scrambled to higher ground or to evacuate coastal towns early Thursday morning after a massive magnitude 8.2 earthquake struck.

A study of two powerful earthquakes in adjacent areas off the Alaska Peninsula in 2020 and 2021 shows a connection between the two. It also suggests they may be a part of an 80-year rupture ...

An earthquake with a reviewed magnitude of 5.9 shook Southcentral Alaska on Tuesday afternoon. The quake was centered near Iliamna Volcano about 138 miles southwest of Anchorage, according to the ...