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

Mount Rainier experienced its largest earthquake swarm on record this week, but seismic activity is now significantly ...

Seismicity has decreased” from 30 events per hour at the peak to a few per hour as of Saturday morning, the U.S. Geological Survey said Saturday.

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

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

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

More than 300 earthquakes have erupted at Washington's Mount Rainier this week, the largest earthquake swarm at the volcano ...

SEATTLE (AP) — Officials are tracking the largest swarm of earthquakes in more than 15 years on Washington’s Mount Rainier ...

BOISE, Idaho — Idaho Central Mountains had numerous earthquakes occur Friday, all in connection to the ongoing earthquake swarm in the area. Several of Friday’s quakes registered above ...

“Now, go to Mount Rainier. We have a few earthquakes a week. Most of the earthquakes that are happening at Mount Hood happen within these swarms of activity.

Mount Rainier National Park was quieter this Memorial Day, due to the long-term closure of the Carbon River Fairfax Bridge, expected to last several years.