Minor quakes can disrupt natural tectonic patterns deep underground and change stress landscape, new study finds.

Multiple earthquakes have hit near a major US volcano that scientists warn is gearing up for an eruption. The ...

Scientists believe that the Axial Seamount, an underwater volcano located 300 miles off the coast of Oregon, is showing signs ...

An explosion on Mount Spurr could generate massive cloud of ash, which could mess with airplanes and cause issues for humans.