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?

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 ...

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.

Washington is earthquake and volcano country. With all the concern about recent earthquake activity at Mt. Adams and the 45th anniversary of the eruption of Mt. St. Helens what would happen if Mt.

Experts believe a Mount Rainier eruption would post a grave threat to millions who live in the southern and eastern sections of the Seattle metropolitan area.

Earthquakes detected around largest active volcano in Washington state Nestled in the Cascades, Mount Adams typically only experiences about 1 earthquake every 2-3 years, according to the U.S.

Mount Adams, along with Mount Rainier and Mount St. Helens — which erupted in 1980 — are among them. The focus on Mount Adams is stemming from recent earthquakes. While earthquakes are common in the ...

This normally quiet Cascades volcano has been trembling. Why scientists say you shouldn’t worry. Ten earthquakes have been recorded this year at Mount Adams in Washington state.