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

Ethiopia’s Hayli Gubbi volcano had been quiet for the past 12,000 years. For all these centuries, it sat dormant with its hollow, crater-shaped mouth etched into the Danakil Depression, one of the ...

Deep in the south Pacific Ocean, near the remote Solomon Islands, there’s a volcano unlike any other on earth. For one, it’s ...

The Axial Seamount – located hundreds of miles off the coast of Oregon and nearly 5,000 feet below the Pacific Ocean’s waves – erupted in April 2015, spewing a mile’s worth of lava onto the sea floor.

The explosiveness of a volcanic eruption depends on how many gas bubbles form in the magma – and when. Until now, it was thought that gas bubbles were formed primarily when the ambient pressure ...