The May 18, 1980, eruption of Mount St. Helens remains the deadliest and most destructive volcanic event in U.S. history, claiming 57 lives and flattening 230 square miles of forest. The blast sent a ...

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 ...

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 ...

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

This feature is only available to members. Join now for full online access. The Twin Towers in New York in 2001 and the explosion of Mount St. Helens in Washington State in 1980. Both destinations ...

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 ...