A restive volcano in central Philippines has briefly erupted, spewing a 2.8-mile ash plume and debris into the sky.

"Dormant volcanoes usually show little activity unless they're on the inevitable road to eruption," which lead to concern about Uturuncu. Luckily, the chances of an eruption are low. "A bad sign ...

If an eruption happens, it would likely occur at Crater Peak, shown in the background of this summit photograph. Over the past 12 months, an Alaskan volcano named Mount Spurr has become noticeably ...

An underwater volcano situated 300 miles off the Oregon coast is getting closer to erupting for the first time in 10 years. The volcano, known as Axial Seamount, is formed by a hotspot in Earth's ...