Mount Etna: Photos of the Largest Active Volcano in Europe

Huge craters

Mount Etna is a series of nested stratovolcanoes with four distinct summit craters. There are two central craters, called Bocca Nuova and Voragine; the Northeast crater; and the newest Southeast crater, which was formed by an eruption in 1978.

(Image credit: Shutterstock)
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Denise Chow
Live Science Contributor

Denise Chow was the assistant managing editor at Live Science before moving to NBC News as a science reporter, where she focuses on general science and climate change. Before joining the Live Science team in 2013, she spent two years as a staff writer for Space.com, writing about rocket launches and covering NASA's final three space shuttle missions. A Canadian transplant, Denise has a bachelor's degree from the University of Toronto, and a master's degree in journalism from New York University.