A flurry of seismic activity that caused 160 quakes in just two hours at the Laguna del Maule volcanic field in central Chile has put authorities on alert. 160 quakes occurred in the area during a two ...

SANTIAGO (Reuters) -A seismic swarm that caused 160 quakes in two hours at the Laguna del Maule volcanic field in central Chile earlier this week has put authorities and citizens on alert. The ...

New research has identified a 35,000-year-old basalt eruption as the youngest at Yellowstone, shifting our understanding of the supervolcano's activity. Learn what this means.

SAN FRANCISCO (CBS SF/AP) - California's next 'big one' may not be an earthquake. According to a new study from the U.S. Geological Survey, a future volcanic eruption is not only inevitable, hundreds ...

The processes observed in the Yellowstone borehole may not be unique. Many regions around the world experience regular ...

Researchers studying Yellowstone’s depths discovered that small earthquakes can recharge underground microbial life.

Satellite images acquired by ESA’s Envisat satellite have revealed the volcanic region of the Phlegrean Fields, located in southern Italy near the city of Naples, has entered a new uplift phase. Using ...

The Phlegraean volcanic fields just west of Naples, Italy, are among the top eight emitters of volcanic carbon dioxide in the world. Since 2005, the Solfatara crater -- one of many circular ...

The state of Arizona and its picturesque landscapes have been shaped by a geological history of volcano eruptions across the region. Some of the oldest volcanic rocks in the state are 1.8 billion ...

Dead volcanoes, seen throughout the southwestern United States, are evidence of volcanic fields that could wipe out infrastructure and disrupt air travel if new volcanoes erupt, a new study says. And ...