A teenager when he began scuba diving in the shadow of Mount St. Helens, he remembers the lake as it was before the May 1980 eruption, before the top 1,300 feet of the volcano—more than three ...

The Columbia Theatre in Longview, Washington, is celebrating its centennial. Theater officials say the 1980 eruption of Mount ...

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.

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 ... Longview before much of it dumps into the Columbia on its way to the Pacific Ocean. That 3 million tons is 10 times greater than pre-eruption levels ...

One of the most violent natural disasters of our time, the colossal eruption of Mt. St. Helens in 1980 blasted away an entire mountainside. Over 200 square miles of pristine forest were buried ...

Known as the Lava Creek eruption, this event was so massive that it ejected nearly 250 cubic miles of volcanic material, hundreds of times that of the 1980 eruption of Mount St. Helens that ...

When Mount St. Helens in Washington ... for weeks leading up to an eruption event. “We’re pretty confident that we would see signs of developing unrest before eruption. Unlike earthquakes ...

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.