When an undersea volcano erupted in Tonga in January, its watery blast was huge and unusual — and scientists are still trying to understand its impacts. The volcano, known as Hunga Tonga-Hunga Ha’apai ...

A mud volcano erupted in San Juan de Urabá, Antioquia, on February 25, triggering a fiery explosion fueled by methane gas.

This is a breaking news story and is being constantly updated by our reporters as the breaking news story develops ...

A long quiet volcano in Ethiopia has roared back to life, blasting ash roughly 9 miles into the sky and catching both nearby communities and scientists off guard. After an estimated 12,000 years ...

The U.S. Geological Survey has kicked its Volcano Observatory Notices to Aviation into a new, aviation ready format that lets flight planning systems digest alerts about volcanic plumes and ash more ...

A tsunami triggered by a volcanic eruption decimated some islands of the South Pacific nation of Tonga. The crushing effect on land and infrastructure can be seen from outer space. Three of Tonga’s ...