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 ...

In 1980, Mount St. Helens erupted, killing dozens and forever changing how the US monitors earthquakes. The volcano is still active but not erupting.

45 years later, Washington geologist remembers visiting Mount St. Helens the day before it blew By Ian McCluskey (OPB) May 18, 2025 6 a.m.

One snowboarder found that out the hard way on Tuesday. A video shared by the Mount Washington Observatory shows a rider outrunning an avalanche. No one was injured during the slide.

The avalanche was triggered in Tuckerman Ravine at Mount Washington on Tuesday, March 11, according to a statement from the Mount Washington Observatory.

The avalanche was triggered in Tuckerman Ravine at Mount Washington on Tuesday, March 11, according to a statement from the Mount Washington Observatory.

The observatory said: "After the camera zooms in, the snowboarder can be seen outrunning the avalanche. Luckily, no one involved was injured.” Mount Washington is the highest peak in the ...

Dramatic footage released by the Mount Washington Observatory shows an unidentified snowboarder zooming down the slopes with an avalanche on his heels.

The footage, posted online by the Mount Washington Observatory, shows the unidentified thrill-seeker getting more than he bargained for — zooming down Tuckerman Ravine as the snow closes in.

Talk about an adrenaline rush. An avalanche occurred on Mount Washington on Tuesday, according to the Mount Washington Avalanche Center, and one snowboarder was caught on camera outracing it. The ...