| Blackfoot Lava Field(expression, name, volcano, geology) |
| Blacks Mountain(expression, name, volcano, geology) |
| Blafell(noun, name, volcano, geology) |
| Blafjall(noun, name, volcano, geology) |
| Blit(noun, name, volcano, geology) |
| Blue Mountain(expression, name, volcano, geology) |
| Bogachensky(noun, name, volcano, geology) |
| Bogoria(noun, name, volcano, geology) |
| Bokeo Volcanic Field(expression, name, volcano, geology) |
| Bolaven Plateau(expression, name, volcano, geology) |
| Bolshaya Ipelka(expression, name, volcano, geology) |
| Bolshaya Romanovka(expression, name, volcano, geology) |
| Bolshoy Chekchebonay(expression, name, volcano, geology) |
| Bolshoy Ketepana(expression, name, volcano, geology) |
| Bolshoy Kozyrevsky(expression, name, volcano, geology) |
| Bongabti(noun, name, volcano, geology) |
| Boring Lava(expression, name, volcano, geology) |
| Bosavi(noun, name, volcano, geology) |
| Bouillante Chain(expression, name, volcano, geology) |
| Brabant Island(expression, name, volcano, geology) |