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

The 1980 eruption cycle made Mount St. Helens one of the most famous volcanoes in the Cascades. But it is far from the only volcano in the range.

Remembering the deadly Mount St. Helens eruption 45 years later Mount St. Helens erupted 45 years ago, causing the deadliest volcanic disaster in U.S. history. Adel Toay, Drew Mikkelsen, Leah ...

The 103-year-old bridge that served as the only gateway to the northwest corner of Mount Rainier National Park has been permanently closed by the Washington State Department of Transportation ...

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.

A powerful earthquake has just rocked much of southern California.The 5.2 magnitude quake struck at 1:08 p.m. Eastern time Monday, April 14, with its epicenter in San Diego County, about 2.5 miles ...