When Mount St. Helens erupted in 1980, the blast released 3.3 billion cubic yards of earth from the mountain.

Visitors peer out of display windows at the volcano at the Johnston Ridge Observatory at Mount St. Helens National Volcanic Monument, Friday, near Toutle, Wash., where behind is the huge open ...

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

Every weekend from late March until the eruption of Mount St. Helens on May 18, 1980, Pullman resident Barry Johnston watched the volcano with his then-wife, Trixie Anders, a Washington State ...

Unlike the large animals on Mount St. Helens, the gophers, buried down in their burrows, survived the eruption. Following the eruption, the gophers tunneled out of their burrows and continued to dig.

Johnston was one of the first members of the USGS monitoring team to arrive at Mount St. Helens, and was in charge of volcanic-gas studies.

Sunday marks 45 years since Mount St. Helens erupted in Washington state. The deadly eruption happened shortly after 8:30 a.m. on May 18, 1980, following months of small explosions and earthquakes.

Thanks to its first state title in over 10 years, Mount St. Dominic is the 2025 N.J. softball Team of the Year.

A body found in a reservoir near Mount St. Helens belongs to a missing hunter, deputies said. Getty Images/iStockphoto A 72-year-old man’s body was found seven months after he vanished during a ...