| Tuya volcanic field(expression, name, volcano, geology) |
| Tuzovsky(noun, name, volcano, geology) |
| Uksichan(noun, name, volcano, geology) |
| Uzon(noun, name, volcano, geology) |
| Verkhovoy(noun, name, volcano, geology) |
| Vernadskii Ridge(expression, name, volcano, geology) |
| Vilyuchik(noun, name, volcano, geology) |
| Voyampolsky(noun, name, volcano, geology) |
| Vysoky(noun, name, volcano, geology) |
| Zhupanovsky(noun, name, volcano, geology) |
| Abu(noun, name, volcano, geology) |
| Acamarachi(noun, name, volcano, geology) |
| Acatenango(noun, name, volcano, geology) |
| Acigol-Nevsehir(noun, name, volcano, geology) |
| Adams(noun, name, volcano, geology) |
| Adams Seamount(expression, name, volcano, geology) |
| Adatarayama(noun, name, volcano, geology) |
| Adwa(noun, name, volcano, geology) |
| Afdera(noun, name, volcano, geology) |
| Agrigan(noun, name, volcano, geology) |