| Leon Muerto(expression, name, volcano, geology) |
| Lightning Peak(expression, name, volcano, geology) |
| Lisianski Island(expression, name, volcano, geology) |
| Little Barrier Island(expression, name, volcano, geology) |
| Little Iskut(expression, name, volcano, geology) |
| Lone Butte(expression, name, volcano, geology) |
| Lord Howe Island(expression, name, volcano, geology) |
| Los Colorados(expression, name, volcano, geology) |
| Lyttelton Harbour(expression, name, volcano, geology) |
| Maitland Volcano(expression, name, volcano, geology) |
| Manus Island(expression, name, volcano, geology) |
| Maro Reef(expression, name, volcano, geology) |
| Misery Kimberlite Complex(expression, name, volcano, geology) |
| Mole Hill(expression, name, volcano, geology) |
| Mount Aragats(expression, name, volcano, geology) |
| Mount Bird(expression, name, volcano, geology) |
| Mount Boucherie(expression, name, volcano, geology) |
| Mount Bursey(expression, name, volcano, geology) |
| Mount Cayley(expression, name, volcano, geology) |
| Mount Discovery(expression, name, volcano, geology) |