What is a volcano? / Andrea Borgia [and others] -- Beyond Earth : how extra-terrestrial volcanism has changed our definition of a volcano / Rosaly M.C. Lopes [and others] -- Sedimentary volcanoes : ...

When you think of the United States, images of sprawling cities and vast landscapes might come to mind, but not the hidden and ever-present geological threat: volcanoes. While you might associate ...

Deep under the Pacific Ocean, more than 300 miles off the Oregon coast, lies a restless underwater volcano known as Axial Seamount. It is the most active submarine volcano in the northeast Pacific and ...