Sunday marked 45 years since Mount St. Helens erupted, sending ash, lava, mud and debris flowing down the mountainside. Fifty-seven people were killed. To this day, it is still the deadliest volcanic ...

SKAMANIA COUNTY, Wash — Sunday marked 45 years since Mount St. Helens erupted, sending ash, lava, mud and debris flowing down the mountainside. Fifty-seven people were killed. To this day, it is still ...

PORTLAND, Ore. — Michael Cairns will never forget May 18, 1980. That's the day that Mount St. Helens erupted, flattening miles of forestland and blanketing the Pacific Northwest in ash. "It was very ...

The eruption triggered mudslides, an explosion, and plumes of ash that did enormous damage. The death of 57 people led to large changes in how the US monitors and prepares for eruptions. On May 18, ...

VANCOUVER, Wash. – 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 ...

It was 45 years ago today when Mount St. Helens erupted, triggering the biggest landslide in Earth’s recorded history and creating an ash cloud that reached across the country. John Yang looks back at ...

Mount St. Helens in Washington State was once the "Mount Fuji of America"—admired for its symmetrical cone shape similar to Japan's highest peak. It was a popular Pacific Northwest destination, ...

In 1980, a Washington mountain’s fiery blasts incinerated and flattened the landscape, sending forth mudflows of ash and splintered trees and wiping out entire communities. The 45th anniversary of ...

It was 45 years ago today when Mount St. Helens erupted, triggering the biggest landslide in Earth’s recorded history and creating an ash cloud that reached across the country. John Yang looks back at ...