The 1990s focused on rebuilding and establishing new visitor facilities, including the Johnston Ridge Observatory, which ...

MT. ST. HELENS - Volcanic rock has flowed to thesurface of Mount St. Helens' crater, creating a new lava dome afterweeks of seismic activity, a geologist said Tuesday. Scientists had known for ...

A surge of strong earthquakes under Mount St. Helens yesterday has seismologists worried that rock and ash could explode from the volcano's dome -- leading scientists to take the rare precaution ...

The Mount St. Helens' eruption in Washington on May 18, 1980 is the worst volcanic eruption in U.S. history, killing 57 people and spewing 520 million tons of ash across the U.S.

MT. ST. HELENS - Surging seismic activity at Mount St. Helens has changed the whale-back shape of the volcano's emerging new dome, leaving it more like the back of a stegosaurus - a dinosaur with ...

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

MOUNT ST. HELENS, Wash. (AP) — A new lava dome is growing on Mount St. Helens, with volcanic rock reaching the surface of the crater after weeks of seismic activity, scientists said Tuesday.

Mount St. Helens continued to reveal its inner self yesterday as additional glowing lava pushed to the surface in the volcano's crater. The hot rocks -- incandescent and solid, not ropy, red ...

On May 18, 1980, Mount St. Helens erupted spewing ash, rock and hot gasses into the air. It was the deadliest volcano eruption in U.S. history, killing 57 people.