An Alaskan volcano could blow at any time, and when it does, it will set of a chain reaction that would cause international ...

It is the second-highest volcano in Mexico, standing at about 17,802 feet tall. Popocatépetl is part of the Trans-Mexican Volcanic Belt, a chain of volcanoes across central Mexico.

An underwater volcano situated 300 miles off the Oregon coast is getting closer to erupting for the first time in 10 years. The volcano, known as Axial Seamount, is formed by a hotspot in Earth's ...