Mount St. Helens in Washington State began erupting with a series of steam-driven blasts. These intensified over weeks, leading to a massive eruption on May 18 at 8:32 a.m. Rated a 5 on the Volcanic ...

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 ...