A new study explains why even gas-rich, supposedly explosive volcanoes sometimes erupt quietly instead of blowing apart.

Ethiopia's Hayli Gubbi volcano has erupted after 12,000 years of silence. The powerful explosion sent ash plumes soaring ...

The explosiveness of a volcanic eruption depends on how many gas bubbles form in the magma—and when. Until now, it was ...

Learn about the recent eruption of Hayli Gubbi, a volcano in Ethiopia that was previously dormant for nearly 12,000 years.

Scientists have uncovered a long-missing piece of the volcanic puzzle: rising magma doesn’t just form explosive gas bubbles ...

US Geological Survey says Hawaii’s most active volcano could erupt again between Sunday and Tuesday, following its last ...

Volcanoes are openings in Earth's crust through which hot lava, ash, and gases escape. They shape landscapes and affect human life. Some stay quiet for centuries, while others erupt suddenly. Recently ...

At the risk of this blog becoming all volcanoes, all the time, I bring you... more volcanoes! Two of my favorite geobloggers wrote mustn't-miss posts on some of our Cascades volcanoes. They showcase ...

Five countries with the most active volcanoes include Chile, Japan, Russia, Indonesia, and the USA. These nations' volcanic activity is primarily located along tectonic plate boundaries, causing ...

Volcanoes that have laid dormant for millions of years could revolutionize the sourcing of important rare earth elements, a new study published in Geochemical Perspectives Letters suggests.