It started as a go-for-broke experiment, but it wound up saving an ecosystem.

Add Yahoo as a preferred source to see more of our stories on Google. When Mount St. Helens erupted on May 18, 1980, it caused enormous devastation. The eruption triggered mudslides, an explosion, and ...

PORTLAND, Ore. (KOIN) — On May 18, 1980, Mount St. Helens erupted — killing 57 people, coating the land in ash and creating the largest landslide ever recorded. Thursday marks the 43rd anniversary of ...

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 ...

Wind gusts that stirred up ash around Mount St. Helens in Washington have people asking: Is the sleeping giant awake? The National Weather Service in Portland responded to reports of volcanic ash ...

For a moment, it seemed like a blast from the past: a plume over Mount St. Helens on Tuesday looked like the volcano might be erupting again. But fortunately, this was not an eruption — just a ...

About 400 earthquakes have rumbled under Mount St. Helens since mid-July, the largest chain of shakes since the volcano finished erupting in 2008, the U.S. Geological Survey reported last week. Small ...

PORTLAND, Ore. (KOIN) – Mt. St. Helens may look like it’s erupting, but it’s not. According to the National Weather Service, strong eastern winds on Tuesday have caused volcanic ash from the ‘80s to ...

Mount St. Helens had stood silent for over a century in Washington’s Cascade Range. But that changed 43 years ago Thursday when the sleeping giant woke up and erupted into Pacific Northwest history.

Sunday marks 45 years since Mount St. Helens erupted in Washington state. The deadly eruption happened shortly after 8:30 a.m. on May 18, 1980, following months of small explosions and earthquakes.

MOUNT ST. HELENS, Wash. (KATU) — The Mount St. Helens Visitor Center at Silver Lake celebrated its reopening to the public Saturday. It had been closed for 8 months to undergo renovations. While the ...