SEE ALSO: A volcano just erupted in Europe and the footage is amazing Unlike Italy's Mount Etna, Popocatépetl hasn't spewed any spectacular lava-- much to the relief of residents in Mexico's ...

The volcanoes featured in the NOVA program "Volcano's Deadly Warning"—Galeras, Nevado del Ruiz, Popocatepetl, and Mt. Redoubt—as well as many other famous volcanoes, including Mt. St. Helens ...