| Triangle Dome(expression, name, volcano, geology, north) |
| Tsekone Ridge(expression, name, volcano, geology, north) |
| Tumisa(noun, name, volcano, geology) |
| Tupungato(noun, name, volcano, geology) |
| Tutsingale Mountain(expression, name, volcano, geology, north) |
| Tuya Butte(expression, name, volcano, geology, north) |
| Twin Buttes(expression, name, volcano, geology) |
| Ustica(noun, name, volcano, geology) |
| Valles Caldera(expression, name, volcano, geology) |
| Ventotene(noun, name, volcano, geology) |
| Wetalth Ridge(expression, name, volcano, geology, north) |
| Neck(noun, name, volcano, geology, north) |
| Aak(noun, name, volcano, geology) |
| Acatlan Volcanic Field(expression, name, volcano, geology) |
| Acoculco(noun, name, volcano, geology) |
| Acquasparta(noun, name, volcano, geology) |
| Adachi(noun, name, volcano, geology) |
| Adagdak(noun, name, volcano, geology) |
| Adamozhets(noun, name, volcano, geology) |
| Aegina(noun, name, volcano, geology) |