| Boomerang Seamount(expression, name, volcano, geology) |
| Bora-Bericcio(noun, name, volcano, geology) |
| Bora Ale(expression, name, volcano, geology) |
| Borawli(noun, name, volcano, geology) |
| Boset-Bericha(noun, name, volcano, geology) |
| Bouvet(noun, name, volcano, geology) |
| Brava(noun, name, volcano, geology) |
| Bravo(noun, name, volcano, geology) |
| Brennisteinsfjoll(noun, name, volcano, geology) |
| Bridge River Cones(expression, name, volcano, geology) |
| Bridge River Vent(expression, name, volcano, geology) |
| Bridgeman Island(expression, name, volcano, geology) |
| Bristol Island(expression, name, volcano, geology) |
| Brothers(noun, name, volcano, geology) |
| Buckle Island(expression, name, volcano, geology) |
| Bufumbira(noun, name, volcano, geology) |
| Buldir(noun, name, volcano, geology) |
| Bulusan(noun, name, volcano, geology) |
| Bunyaruguru(noun, name, volcano, geology) |
| Burney(noun, name, volcano, geology) |