| Jemez Mountains(expression, name, volcano, geology) |
| Job Assemblage(expression, name, volcano, geology) |
| Keyhole Hot Springs(expression, name, spring, volcanology) |
| Khanuy-Gol(noun, name, volcano, geology) |
| Koosick Bluff(expression, name, volcano, geology) |
| Kunlun Volcanic Group(expression, name, volcano, geology) |
| La Palma(expression, name, volcano, geology) |
| Laguna Marinaqui(expression, name, volcano, geology) |
| Laguna Poco Sol(expression, name, volcano, geology) |
| Lautaro(noun, name, volcano, geology) |
| Lucero volcanic field(expression, name, volcano, geology) |
| Magic Mountain(expression, name, volcano, geology) |
| Malpais de Guimar(expression, name, volcano, geology) |
| Manana(noun, name, volcano, geology) |
| Mawe Mbili(expression, name, volcano, geology) |
| Meager Creek Hot Springs(expression, name, spring, volcanology) |
| Mess Lake Lava Field(expression, name, field, volcanology) |
| Milbanke Sound Group(expression, name, group, volcanology) |
| Monte Burney(expression, name, volcano, geology) |
| Mosaic Assemblage(expression, name, volcano, geology) |