Learn more about Mount Baker's eruption history here! Completely free! <a href=" Instagram: <a href=" Threads: <a href=" Podcast: @GeographyPod or <a href=" Linktree for everything: <a href=" Map ...

Magma from the mantle finds its way to the surface, where it erupts as lava or ash and gas—sometimes in spectacular spurts, ...

Where is Mount St. Helens? Mount St. Helens is in Skamania County, Washington. The volcano formed through four eruptive events starting about 275,000 years ago, according to the USGS.

The peaks of Mount Hood, Mount Adams, Mount St. Helens, and Mount Rainier are iconic and easily recognizable. But volcanic features are much closer to many of our backyards than we may realize.

During this anniversary of the Mount St. Helens eruption, she will be in Iceland, studying the interactions of glaciers and volcanoes. Her local work is currently focused on Mount Rainier.

Adams lies 34 miles due east of Mount St. Helens. Although not as tall as Mount Rainier, it is larger in volume and the most massive composite cone in the Cascades.

The 45th anniversary of the catastrophic eruption of Mount St. Helens is on May 18. Here's what to know and when the volcano might erupt again.

During the Mount St. Helens eruptions, lahars flowed up to 60 miles destroying 200 homes. Lahars are one of the risks with a Mount Rainier eruption, so many foothill communities prepare.

Winter is an underrated season to visit Mount Rainier National Park. Free from summertime crowds and required reservations, the quieter park offers visitors a unique set of cold-weather adventures ...

There are more glamorous volcanoes to climb (Mount Rainier) or to ski (Mount Hood) or that have exploded in epically dramatic fashion in living memory (Mount St. Helens). Ask your climate questions.

Mount St. Helens has experienced slightly heightened seismic activity this year, compared to recent years, with 22 earthquakes in the last week alone, according to the observatory.