The BriefMount Rainier's recent seismic swarm has surpassed 2009 records, with 391 events since July 8.Scientists report ...

The tremors were too weak for humans to feel. But the frequency of them is the most since researches started monitoring the ...

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?

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 ...

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

Several of Mount Rainier’s glaciers are already gone, experts say, and others aren’t far behind. The News Tribune asked what that means for visitors.

“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.

The northwest corner of Mount Rainier National Park became inaccessible on Monday after Washington officials shut down the only bridge leading to that area of the park. They closed the bridge ...

Mount Rainier is the highest peak in the Cascade Range. We look into its climbing history, spotlighting the pioneers who first approached its icy heights.