Washington’s popular High Rock Trail is closed until September as restoration crews piece a scenic lookout back together.

An earthquake 'swarm' comprised of hundreds of miniature earthquakes hit Mt. Rainier and the Cascade mountain in July.

You might have noticed that Mount Rainier’s been looking a little bald lately. People on social media have been posting that Washington’s favorite sight looks less snowy than usual. How much ...

More than 300 tremors were recorded below Mount Rainier over the course of three days. Scientists say they were too weak for humans to feel.

Over 300 minor earthquakes have been detected under the surface of Mount Rainier since the morning of Tuesday, July 8. The swarm is the first of its kind since 2009, and, according to Pacific ...

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.

A swarm of more than 300 earthquakes has now been recorded at Mount Rainier.

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 ...

Geologists are continuing to monitor Mount Rainier in Washington state days after the first earthquake swarm since 2009, with this year's event more powerful than the last one recorded 15 years ago.