Volcanoes are often judged by the size of their eruptions, but volcanologists measure danger differently. A volcano becomes truly hazardous when explosive potential intersects with large populations, ...

The slumbering Yellowstone caldera hasn’t erupted in more than 600,000 years, but if it decided to wake up, that’d be bad news for humanity.

After Guatemala’s Fuego volcano erupted on Sunday killing at least 69 people, here is a list of the most deadly volcanic eruptions over the last quarter century. – 2014: Japan – The sudden eruption of ...

A Caribbean volcano responsible for one of the deadliest eruptions in history has shown a spike in seismic activity, sparking concerns that it could potentially blow again. Situated on the Caribbean ...

Who will stop the Rain-ier? Scientists are warning that Washington’s Mount Rainier could unleash a catastrophic mudslide that has the potential to devastate three large towns within minutes. Often ...