Our premium News+ ad-free experience – only $10 more every 4 weeks!

Col. Terry Connell was at his downtown Portland church’s Sunday service on May 18, 1980, when Mount St. Helens erupted.

Engineers reflect on the 45th anniversary of Mount St. Helens recovery, admiring their legacy amid natural challenges.

To residents of a certain age, it almost seems like it was yesterday. But Sunday, remarkably, marked the 45th anniversary of a cataclysmic explosion on Mount St. Helens. In a matter of seconds on the ...

While volcanic eruptions can have a long-lasting impact on Earth’s temperature, Mount St. Helens’ eruption didn’t. That’s because its eruption was missing a key ash ingredient: Sulfur.

Forty-five years ago on May 18, 1980, Mount St. Helens in the state of Washington violently erupted. Here’s a look at volcanoes, then and now. Related Articles Today in History: May 26 ...

Read how the engineers came together to solve a problem they never anticipated, especially after being told the mountain ...

RELATED: Mount St. Helens eruption: See rare footage of the 1980 eruption from KGW archives Though Mount St. Helens remains an active volcano, Coburn said there's no reason to panic, and there ...