America’s deadliest volcano has just rattled through more than 1,000 tiny earthquakes in a matter of days, a drumbeat of ...

If the theory is proven correct, the consequences could be enormous, spelling a much more risky, explosive future.

On a single day in November 2025, emergency managers across Washington state were inundated with calls about an eruption at ...

When Mount St. Helens erupted on May 18, 1980, the landscape changed in an instant—the geologic version of an instant, anyway. It was the deadliest eruption the United States had ever seen, leveling ...

Mount Rainier’s seismic sensors showed unusual activity for several days, prompting widespread attention online, but experts told KIRO 7 News the readings came from a malfunctioning instrument rather ...

Peggy Short-Nottage and her husband joined sightseers rushing to Mount St. Helens when volcanic activity escalated in the spring of 1980. Instead of hopping in a car and making the drive to ...

Ash from the explosion may have led to crop failure and famine in southern Europe, leading some Italian cities to import ...

The 1815 eruption produced 60 megatons of sulfur, and as a result, average global temperatures dropped by around 3°C (5.4°F).

In a new study about the potential origins of the Black Death, scientists suggested that one or more volcanic eruptions that occurred around 1345 may have allowed fleas infected with the bubonic ...

A volcanic eruption around 1345 may have set off a chain reaction that unleashed Europe's deadliest pandemic the Black Death, scientists say. Clues preserved in tree rings suggest the eruption ...