| McDonald Islands(expression, activity, name, volcano, geology) |
| Metis Shoal(expression, activity, name, volcano, geology) |
| Miravalles Volcano(expression, activity, name, volcano, geology) |
| Monaco Bank(expression, activity, name, volcano, geology) |
| Monowai Seamount(expression, activity, name, volcano, geology) |
| Monte Burney(expression, activity, name, volcano, geology) |
| Morne Watt(expression, activity, name, volcano, geology) |
| Mount Adatara(expression, activity, name, volcano, geology) |
| Mount Akita-Komagatake(expression, activity, name, volcano, geology) |
| Mount Akutan(expression, activity, name, volcano, geology) |
| Mount Amukta(expression, activity, name, volcano, geology) |
| Mount Aniakchak(expression, activity, name, volcano, geology) |
| Mount Asama(expression, activity, name, volcano, geology) |
| Mount Aso(expression, activity, name, volcano, geology) |
| Mount Awu(expression, activity, name, volcano, geology) |
| Mount Azuma-kofuji(expression, activity, name, volcano, geology) |
| Mount Baker(expression, activity, name, volcano, geology) |
| Mount Belinda(expression, activity, name, volcano, geology) |
| Mount Besar(expression, activity, name, volcano, geology) |
| Mount Bisoke(expression, activity, name, volcano, geology) |