| Karpinsky Group(expression, activity, name, volcano) |
| Karymsky(noun, activity, name, volcano) |
| Kasatochi Island(expression, activity, name, volcano) |
| Katla(noun, activity, name, volcano) |
| Kavachi(noun, activity, name, volcano) |
| Ketoy(noun, activity, name, volcano) |
| Kharimkotan(noun, activity, name, volcano) |
| Kick 'em Jenny(expression, activity, name, volcano) |
| Kikai Caldera(expression, activity, name, volcano) |
| Kilauea(noun, activity, name, volcano) |
| Kizimen(noun, activity, name, volcano) |
| Klyuchevskaya Sopka(expression, activity, name, volcano) |
| Kolokol Group(expression, activity, name, volcano) |
| Kolumbo(noun, activity, name, volcano) |
| Korovin Volcano(expression, activity, name, volcano) |
| Koryaksky(noun, activity, name, volcano) |
| Kozu-shima(noun, activity, name, volcano) |
| Krafla(noun, activity, name, volcano) |
| Kuchinoerabu-jima(noun, activity, name, volcano) |
| Kverkfjoll(noun, activity, name, volcano) |