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?

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

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

The family of a Brazilian hiker found dead in Indonesia days after a fall climbing a volcano have criticised the rescue effort as too slow, before authorities carry out an autopsy Thursday to find ...

Dredging of Pohoiki boat ramp has been underway for the past two weeks, as crews work to remove 42,000 cubic yards of black sand, rocks and boulders, deposited by the 2018 eruption of Kīlauea.

Forests near Mount Rainier are safe for now, but Utah Senator Mike Lee’s plan to sell BLM lands threatens Washington’s scenic areas and outdoor tourism.

Rescuers found Brazilian travel influencer Juliana Marins, 26, dead after four days of searching after she fell into an active volcano.