| Norfolk Island(expression, name, volcano, geology) |
| Northern Tibet volcanic field(expression, name, volcano, geology) |
| Ojin Seamount(expression, name, volcano, geology) |
| Ojos de Maricunga(expression, name, volcano, geology) |
| Otago Harbour(expression, name, volcano, geology) |
| Pairique volcanic complex(expression, name, volcano, geology) |
| Pearl and Hermes Atoll(expression, name, volcano, geology) |
| Piton des Neiges(expression, name, volcano, geology) |
| Poor Knights Islands(expression, name, volcano, geology) |
| Pylon Peak(expression, name, volcano, geology) |
| 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) |