A seismologist from Seattle discussed recent volcanic activity across the United States. Here's what you should know.

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

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.

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.

The United States Geological Survey (USGS) shows lava fountains shooting up high in the latest episode of an ongoing eruption ...

Recent volcanic activity across the Pacific Ring of Fire has raised alarms among scientists and volcanologists, with several ...

Volcanoes across several US states have recently become active, while no immediate danger is reported, experts remain watchful as seismic activity continues.

A swarm of more than 300 earthquakes has now been recorded at Mount Rainier.There have been 334 quakes recorded since the swarm began on July 8, making this swarm the largest on record at Mount ...

Elaine Stypula, 60, fell just three hours into the Hardrock Hundred Mile Endurance Run in Silverton, officials said.

From unexplained phenomena to baffling disappearances, follow the clues while discovering our country’s treasured protected areas ...

Mount Rainier, the iconic snow-covered peak in Washington state, has recently been experiencing a notable increase in ...

The day started with the burying of a time capsule in the entrance to the Memorial Hall by Bucklebury historian and author ...