George and his team plan to create debris-flow models for each peak in the Cascades. Their work on Mount Rainier underscored ...

A total of 895 earthquakes have shaken the ground beneath Washington’s highest mountain since the beginning of July.

Volcanoes across the country are beginning to wake up and erupt, and no one has a good explanation for why it's happening.

Scientists are holding their breath as hundreds of earthquakes rattle one of America's most dangerous volcanoes, which loom ...

Volcanoes across several US states have recently become active, while no immediate danger is reported, experts remain ...

Volcanoes are rumbling as scientists monitor earthquakes at Washington's Mount Rainier and Alaska's Iliamna volcano.