| Mendeleyeva(noun, name, volcano, geology) |
| Miyake-jima(noun, name, volcano, geology) |
| Momotombo(noun, name, volcano, geology) |
| Mount Bachelor(expression, name, volcano, geology, inactivity) |
| Mount Bailey(expression, name, volcano, geology, inactivity) |
| Mount Bental(expression, name, volcano, geology, inactivity) |
| Mount Edgecumbe(expression, name, volcano, geology, inactivity) |
| Mutnovsky(noun, name, volcano, geology) |
| Nakanoshima(noun, name, volcano, geology) |
| Naruko(noun, name, volcano, geology) |
| Nieuwerkerk(noun, name, volcano, geology) |
| Nii-jima(noun, name, volcano, geology) |
| Niigata-Yakeyama(noun, name, volcano, geology) |
| Nishinoshima(noun, name, volcano, geology) |
| Nisyros(noun, name, volcano, geology) |
| Niuafo'ou(noun, name, volcano, geology) |
| Nyamuragira(noun, name, volcano, geology) |
| Oraefajokull(noun, name, volcano, geology) |
| Osorno(noun, name, volcano, geology) |
| Pacaya(noun, name, volcano, geology) |