The eruption, which occurred at 8:32 a.m., claimed 57 lives, destroyed 200 homes and flattened 230 square miles of forest. It also triggered the largest landslide in recorded history and propelled a ...

On May 18, 1980, 30-year-old scientist David Johnston was in an observation post with the U.S. Geological survey monitoring Mount St. Helens. At 8:32 a.m., a 5.1 magnitude earthquake struck beneath ...

When Mount St. Helens erupted on May 18, 1980, it became one of the most devastating disasters in American history. The massive eruption transformed the surrounding landscape within moments, sending ...

SKAMANIA COUNTY, Wash. — Forty-six years ago today, Mount St. Helens unleashed one of the most devastating volcanic eruptions in United States history, transforming the Pacific Northwest landscape in ...

Chinook salmon recently were released into the Upper Mount St. Helens watershed for the first time in nearly 50 years.

When Mount St. Helens erupted on May 18, 1980, the landscape changed in an instant—the geologic version of an instant, anyway. It was the deadliest eruption the United States had ever seen, leveling ...