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 ...

The so-called earthquake swarm at Mount Rainier dwindled Friday but has surpassed the last large event at the volcano in 2009, the USGS said.

The series of earthquakes is the first major swarm of seismic events since 2009. Is it safe if you’re planning on visiting?

Over 300 earthquakes detected under Mount Rainier in July. Learn about safety, eruption risk, and whether it’s safe to visit the active volcano this summer.

Scientists Warn of Massive Eruption Threat as Mount Rainier and Pacific Volcanoes Stir Scientists Think Whales Might Be Reaching Out to Humans ...