Word list:
- Arthur's Seat, Edinburgh, Scotland
- Balusan, Philippines
- Colima, Mexico
- Dabbahu, Ethiopia
- Etna, Sicily, Italy
- Fogo, Cape Verde
- Grimsvotn, Iceland
- Hekla, Iceland
- Itcha Cone,Canada
- Jorcada,Bolivia
- Krakatau, Indonesia
- Lopevi, Vanuatu
- Mount St. Helens, United States
- Nevada del Ruiz, Colombia
- Ol Doinyo Lengai, Tanzania
- Pacaya Volcano, Guatemala
- Quetena,Bolivia
- Ruapehu, New Zealand
- Santorini, Greece
- Turrialba, Costa Rica
- Ulawun, New Britain, Papua New Guinea
- Voon, Chad
- Waw an Namus, Libya
- X
- Yellowstone, United States
- Zapaleri,Bolivia
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