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

Stunning, historic front-page coverage from The Oregonian reporters Les Zaitz and Steve Jenning reports the confusion and ...

The May 18, 1980, eruption of Mount St. Helens in southern Washington claimed 57 lives and blasted the terrain of old-growth spruce over an area of 229 square miles. The blast and ensuing debris ...

"No one died in the eruption; however ... The Cascades include other volcanoes, such as Mount Shasta, Mount Rainier, Mount Hood and Mount St. Helens, which erupted in 1980. When Lassen exploded ...

A mysterious and highly active undersea volcano off the Pacific Coast could erupt by the end of this year, scientists say.

During eruptions between 1980 to 1986 and 2004 ... In their place he erected three mountain peaks -- Wyeast (Mount Hood), Klickitat (Mount Adams), and Loowit (Mount St. Helens) ...

and officials monitors peaks like Mount Hood, Glacier Peak, and Mount Baker — an infrastructure that didn’t exist before 1980. The eruption reshaped how scientists and officials prepare for ...

A powerful underwater volcano known as Axial Seamount off the Oregon coast may erupt. Though scientists say it poses no ...