The most recent seismic storm at Mount Rainier has hit a new milestone as scientists continue to monitor activity at the ...

Mount Rainier in Washington state has been rocked by more than 300 earthquakes the largest seismic swarm in nearly two decades. While officials insist there's no need for panic, experts are watching ...

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

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 have occurred at Mount Rainier in Washington State, Washington. This was the largest earthquake swarm ...

The U.S. Geological Survey Cascades Volcano Observatory said the swarm began early Tuesday at the 14,410-foot volcano near ...

Geologists are continuing to monitor Mount Rainier in Washington state days after the first earthquake swarm in more than 15 ...

A magnitude 2.3 earthquake was recorded under Mount Rainier on Wednesday, the strongest yet in a swarm of over 229 quakes this week. USGS says there's no signs of impending eruption.