| CALDERA | Large crater left by volcanic eruption (7) |
| TSUNAMI | Large sea wave produced by volcanic eruption or submarine earthquake (7) |
| POMPEII | Ancient city destroyed by volcanic eruption (7) |
| SURTSEY | Island at the southernmost point of Iceland formed by volcanic eruptions (7) |
| IGNEOUS | Rocks formed by volcanic processes (7) |
| TAMBORA | Volcanic mountain in Indonesia that exploded in 1815 in the largest volcanic eruption in recorded history (7) |
| LAPALMA | One of the Canary Islands, scene of a volcanic eruption and earthquakes in 1949 (2,5) |
| BASALT | It's a blast disfigured by volcanic rock (6) |
| ERUPTIVE | Formed by volcanic activity |
| LAVATUBE | Conduit created by volcanic activity |
| LAVATUBES | Ducts formed by volcanic flow |
| MAARS | Broad, shallow craters formed by volcanic explosions (5) |
| MEAD | Crater, typically filled by a lake, formed by a volcanic eruption (4) |
| MAAR | Crater, typically filled by a lake, formed by a volcanic eruption (4) |
| YELLOWSTONE | Name of the enormous crater in the western-central portion of northwestern Wyoming formed by a cataclysmic volcanic eruption some 640,000 years ago. It is found in (and shares the name of) one of the |
| PEEVE | Grievance leads to volcanic eruption by Jimmy |
| MONTSERRAT | Caribbean isle seriously damaged by a 1995 volcanic eruption |
| TSUNAMIS | Destructive sea waves caused by an earthquake or volcanic eruption (8) |
| NEWBRITAIN | The township of Rabaul used to be the capital of this province of Papua New Guinea before the 1994 volcanic eruption (3,7) |
| NATURALDISASTER | An event such as an earthquake, tsunami or volcanic eruption (7,8) |
