| Ramadas Volcanic Centre(expression, name, volcano, geology) |
| Rincon volcanic complex(expression, name, volcano, geology) |
| Roque Cinchado(expression, name, volcano, geology) |
| Roque Nublo(expression, name, volcano, geology) |
| Roque de Garachico(expression, name, volcano, geology) |
| Roques de Anaga(expression, name, volcano, geology) |
| Salar Grande(expression, name, volcano, geology) |
| Sezill Volcano(expression, name, volcano, geology) |
| Sierra Blanca(expression, name, volcano, geology) |
| Skukum Group(expression, name, volcano, geology) |
| Slieve Gullion(expression, name, volcano, geology) |
| Spectrum Dome(expression, name, volcano, geology) |
| Spectrum Range(expression, name, volcano, geology) |
| Suiko Seamount(expression, name, volcano, geology) |
| Thirtynine Mile volcanic area(expression, name, volcano, geology) |
| Trimble Knob(expression, name, volcano, geology) |
| Tweed Volcano(expression, name, volcano, geology) |
| Twin Peaks(expression, name, volcano, geology) |
| Waianae Range(expression, name, volcano, geology) |
| Wells Gray-Clearwater volcanic field(expression, name, volcano, geology) |