Decades after Mount St. Helens' eruption sent almost 90 billion cubic feet of debris into the upper Toutle Valley, sediment ...

Roscoe "Rocky" Shorey, who had summitted the mountain 28 times prior, was found dead early Saturday morning about 1,200 feet ...

Much like in 1980, if we started seeing more frantic rumbling, then the media coverage would become intense, and it could ...

“High rates of seismicity, interpreted as recharge, have been observed in the past at Mount St. Helens and at other volcanoes ...

Update: Our new Yellowstone National Park stories may surprise you with pictures of ... was a thousand times the size of the Mount St. Helens eruption in 1980, which killed 57 people in Washington.

When Mount St. Helens erupted in 1980, it blew away the top 1,300 feet (400 m) of the mountain — about the height of the Empire State Building. ts can use their trunk like a snorkel in the water.

A very common case study for volcanoes is the eruption of Mount St Helens in the USA in 1980. Other case studies include the eruption of Mount Etna in Sicily in 1974 and Heimaey eruption in ...

Nearly 45 years after Mount St. Helens’ eruption sent almost 90 billion cubic feet of debris into the upper Toutle Valley, millions of tons of sediment still pour into the Cowlitz River each year.