Did you feel the earth shake Monday afternoon? Well, you probably did and it was the second reported earthquake in the past two months. The U.S. Geological Survey reported there was a 2.9 magnitude ...

The vast majority of earthquakes strike inside the Ring of Fire, a string of volcanoes and tectonic activity that wraps ...

Over the last eight centuries, a huge underwater volcano 300 miles off the coast of what's now Oregon has erupted dozens of ...

Repeated earthquakes are rattling Greece’s volcanic island of Santorini. The quakes are prompting authorities to dispatch ...

One of the most active volcanoes in the world sits just a few hundred miles off the U.S. West Coast, and some scientists ...