A volcano in Ethiopia’s Afar region has erupted for what is believed to be the first time in 12,000 years. The eruption sent volcanic ash about 14 kilometers into the sky, with ash reported as far ...

Accurately predicting when a volcano will erupt is nearly impossible, but Alaska’s Mount Spurr is sending clear warning signs to volcanologists. Experts at the Alaska Volcano Observatory (AVO) warn ...

USGS reports a 6.0 magnitude earthquake rocked Hawaii's Big Island Friday night near Hōnaunau-Nāpōʻopoʻo amid ongoing Kilauea volcano monitoring.

Native 'ohi'a lehua trees can briefly close tiny pores in their leaves to limit how much sulfur dioxide gas gets inside when ...

Scientists can't know precisely when a volcano is about to erupt, but they can sometimes pick up telltale signs. That happened two years ago with the world's largest active volcano. About two months ...

While Haleakala hasn't erupted for hundreds of years, that doesn't mean it won't.

Scientists have shed light on a thermal process in magma that may help explain why similar volcanic systems can produce very ...

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.

Deep below the Earth's surface, magma is churning and flowing into the Axial Seamount, an underwater shield volcano about 300 miles off the coast of Oregon. As the volcano grows and tremors increase, ...

Beneath the Pacific Ocean, about 300 miles off the coast of Oregon, a massive underwater volcano is preparing to erupt. Scientists monitoring Axial Seamount have detected a surge in seismic activity, ...

A map of bathymetry—or underwater topography—of Axial Seamount, an active volcano some 300 miles off the coast of Oregon. NOAA Oregon’s most active underwater volcano could erupt this year, according ...