The 10 Most Dangerous Active Volcanoes in the World

1. Cotopaxi, Ecuador

2. Mount Vesuvius, Italy

3. Popocatépetl, Mexico

4. Mayon Volcano, Philippines

5. Mount St. Helens, Washington, U.S.

6. Mount Merapi, Indonesia

7. Mount Rainier, Washington, U.S.

8. Nevado del Ruiz, Colombia

9. Campi Flegrei, Italy

10. Mount Nyiragongo, Democratic Republic of Congo

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