ST HELENS, Wash — Engineers who spent the days and years following the 1980 eruption of Mount St. Helens working on the recovery of the region, returned Tuesday to check in on some of their work.

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 ...

ST HELENS, Wash. — It may look a bit like it, but Mount St. Helens is not erupting Tuesday morning. The ash you can see blowing around the volcano is actually remnants of the infamous 1980 eruption.

Strong winds across parts of Washington state have kicked up volcanic ash deposited during the 1980 eruption of Mount St. Helens, creating hazy conditions and reducing air quality. The phenomenon, ...

Mount Saint Helens is the biggest volcanic eruption in United States history, and this weekend marked 45 years. The eruption and the following landslide killed 57 people, destroyed 200 homes, and ...

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, ...

Some Pacific Northwesterners woke Tuesday to an unusual sight: A smoky haze shrouded Mount St. Helens, the large, active stratovolcano in Washington state that erupted catastrophically in 1980. But a ...