It was a quiet Sunday morning, at 8:32 a.m., 38 years ago when Mount St. Helens blew its top, sending tons of ash into the sky. The volcano had been quiet since the 1850s, but in 1980, geologists were ...

Mount Saint Helens showed clear warning signs for months before it erupted in May 1980. Earthquakes shook the mountain, a massive bulge formed, and scientists raised alarms. Despite this, access ...

Add Yahoo as a preferred source to see more of our stories on Google. Many have puzzled over the haunting photo of the Ford Pinto with the motorcycle, and Mount St. Helens exploding in the background.

It was 45 years ago today when Mount St. Helens erupted, triggering the biggest landslide in Earth’s recorded history and creating an ash cloud that reached across the country. John Yang looks back at ...

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, ...

The 1980 eruption cycle made Mount St. Helens one of the most famous and now best-monitored volcanoes in the Cascades. But it is far from the only volcano in the range. From southern British Columbia ...