The 1980 Mount St. Helens eruption began with a steady series of earthquakes in March. By April it began spewing smoke, ...

The 45th anniversary of the catastrophic eruption of Mount St. Helens is on May 18. Here's what to know and when the volcano ...

Mount St. Helens stood silent for over a century in Washington’s Cascade Range, but that all changed 45 years ago Sunday when the sleeping giant woke up and eru ...

The Mount St. Helens eruption anniversary prompts investigation into the California earthquakes: eruption history, threat ...

For many people who lived through the 1980 eruption of Mount Saint Helens, it is the biggest news story of their lifetimes.

One of the Pacific Ocean’s lesser-known volcanoes will blow its vent in the coming months, causing 10,000 earthquakes in one day. Here’s what scientists are saying.

However, most studies focus on individual volcanoes, making it difficult to identify general trends across an entire volcanic arc. The Cascade Range, stretching from California to British Columbia ...

The USGS reported in 2023 that Mount St. Helens is the volcano in the Cascade Range that is "most likely to erupt again in our lifetimes," but the exact timing can't be predicted so far in advance.