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

Mount St. Helens environment recovering 45 years after eruption With most plants and animals now back, scientists are shifting their observation focus.

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

Mount St. Helens had a devastating eruption on May 18, 1980, that killed 57 people, destroyed hundreds of homes and cabins, and reshaped the volcanic peak, according to the USGS.

The eruption of Mount St. Helens was one of the most impactful in history. But there are people who have lived alongside the volcano for millennia.

But Mount St. Helens has been closed -- judged too dangerous -- since October 2004, when the current eruption began.

An account of how and why Mount St. Helens erupted in May 1980 and the destruction it caused, and a discussion of the return of life to that area ...

Scientists Dropped Gophers On Mount St. Helens For 24 Hours. Four Decades Later, The Impact Is Astonishing Not long after the eruption, a few gophers took a very strange day trip.

Petrology of Tephra from the 1980 Eruption of Mount St. Helens [Abstract] Object Details Author Melson, William G. Hopson, C. A. Kienle, C. Citation Melson, William G., Hopson, C. A., and Kienle, C.

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