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

On a single day in November 2025, emergency managers across Washington state were inundated with calls about an eruption at Mount Rainier that was not happening. Viral online posts and sensational ...

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

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 ...

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

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 ...

No, there was no “eruption threat” or sudden seismic tremor activity at Mount Rainier. But there is an eruption of backlash for an article that stoked fears with some faulty reporting. If you were ...

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