The 1980 Mount St. Helens eruption began with a steady series of earthquakes in March. By April it began spewing smoke, ...

Michael Cairns flew a National Guard helicopter on a rescue and recovery mission to Mount St. Helens. His book, "Under the ...

Learn more about the impending Axial Seamount eruption and how the organisms around the underwater volcano may benefit from ...

From mighty rivers to high mountain peaks, most of the West Coast’s search-and-rescue programs rely entirely on volunteers.

Researchers are watching the most active volcano in the Pacific Northwest and now say that the volcano is swelling up like a balloon full of lava.

The volcano is thousands of feet below the ocean’s surface, so it poses no danger to people. But under all that water, a ...

Color photos shot in 1980 from the cockpit of a Cessna 150 reveal the magnitude of Mount St. Helens' ash and destruction amid volcano's eruption.

We dug into the archives for 'The Mountain Erupts,' a KING 5 documentary on the 1980 Mount St. Helens eruption.

Peggy Short-Nottage photographed Mount St. Helens volcanic activity from an airplane with her husband in 1980, before and after the eruption that May.

A researcher monitoring Axial Seamount, 300 miles off the coast of Oregon, says the eruption is expected to happen before the ...