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 ...

VANCOUVER, Wash. – Nearly 45 years after Mount St. Helens’ eruption sent almost 90 billion cubic feet of debris into the ...

The very same stratovolcano, Mount St Helens in Washington, erupted in 1980, in what is widely considered the most devastating volcanic disaster in US history. The catastrophic explosion claimed ...

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

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 ...

WA leaders are reassessing their plans for the possibility of an eruption at Mount Adams or Mount St. Helens. Dozens of local, tribal, state and federal officials gathered virtually and in-person ...

At Mount St. Helens, volcano monitoring and trail maintenance efforts are set to degrade without help from federal agencies.