Officials at the United States Geological Survey have tracked over 300 earthquakes beneath Washington State's Mt Rainier from ...

Mount Rainier is rattling with the most powerful earthquake swarm scientists have ever recorded at the volcano. Why it matters: Rainier's reputation as the Cascades' most dangerous volcano means even ...

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

A seismologist from Seattle discussed recent volcanic activity across the United States. Here's what you should know.

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

SEATTLE (AP) — Officials are tracking the largest swarm of earthquakes in more than 15 years on Washington's Mount Rainier but say there is no indication that the cluster of quakes is cause for ...