Mount Rainier is rattling with the most powerful earthquake swarm scientists have ever recorded at the volcano. Why it ...

Officials are tracking the largest swarm of earthquakes in more than 15 years at Mount Rainier in Washington. But they say there is no indication the cluster of quakes is ...

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.

Morris County became the epicenter of hysteria Monday as the series of quakes — ranging from a magnitude 0.7 to 2.0 — rocked ...