| Brontona Island(expression, name, volcano, geology) |
| Brown Mountain(expression, name, volcano, geology) |
| Bruntal Volcanic Field(expression, name, volcano, geology) |
| Buduli(noun, name, volcano, geology) |
| Buena Vista(expression, name, volcano, geology) |
| Buffalo Valley(expression, name, volcano, geology) |
| Bundaberg-Boyne Province(expression, name, volcano, geology) |
| Buriram(noun, name, volcano, geology) |
| Burko(noun, name, volcano, geology) |
| Burney Mountain(expression, name, volcano, geology) |
| Bursey(noun, name, volcano, geology) |
| Caburgua(noun, name, volcano, geology) |
| Cacahuatique(noun, name, volcano, geology) |
| Cakrabuana(noun, name, volcano, geology) |
| Calanterique(noun, name, volcano, geology) |
| Calpi(noun, name, volcano, geology) |
| Camargo Volcanic Field(expression, name, volcano, geology) |
| Canapa(noun, name, volcano, geology) |
| Cancajanag(noun, name, volcano, geology) |
| Canlancang(noun, name, volcano, geology) |