In 2018, the side of the Anak Krakatau volcano collapsed in a powerful eruption and produced a tsunami that killed hundreds ...

Mount Spurr, whose volcanic ash darkened Anchorage’s skies in 1953 and 1992, may be building toward another eruption.

Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

At least twice in the last few thousand years, Mount Churchill's ice-covered caldera has spewed ash that reached as far as ...

An eruption of Mount Churchill today similar to previous major plumes would bring much of the Northern Hemisphere to a ...

Welcome to your weekly seismic update from across the state, brought to you by the Alaska Earthquake Center, where we monitor ...

Rogers Creek Fault is Waiting By David Bolling With the nation’s focus on the catastrophic wildfires in Los Angeles, the last ...

A cluster of earthquakes struck about 110 miles southeast of Unalaska throughout the day Tuesday. Scientists say the ...