Sunday marks 45 years since Mount St. Helens erupted in Washington state. The deadly eruption happened shortly after 8:30 a.m ...

Mount St. Helens erupted, killing dozens and forever changing how the US monitors earthquakes. The volcano is still active ...

The road leading to Johnston Ridge Observatory still isn't open following a 2023 landslide. But businesses say signs along ...

On May 18, 1980, the United States experienced the deadliest and most destructive volcanic eruption in its history.

California is a land of clichés: glitzy movie stars, rolling vineyards, sun-drenched surf, towering redwoods – you get the ...