| KRAKATOA | Indonesian caldera known for the eruption of 1883 (8) |
| VESUVIUS | The eruption of this volcano in 79 CE buried the cities of Pompeii, Oplontis, and Stabiae under ashes and lapilli and the city of Herculaneum under a mudflow. (8) |
| DRUSILLA | Daughter of Herod Agrippa who perished in the eruption of Mount Vesuvius in 79 (8) |
| PLINY | Roman author known as the Elder who died as a result of the eruption of Vesuvius in 79 AD |
| BREAKOUT | Escape from the eruption (5-3) |
| POMPEII | Pliny the Younger provided an eye-witness account of the eruption of Vesuvius which buried this Roma |
| ELDER | Pliny the ___ (Roman naturalist who died in the eruption of Mount Vesuvius) |
| TITUS | Roman emperor during the eruption of Mount Vesuvius |
| TYPHUS | Dangerous fever marked by the eruption of red spots (6) |
| PLINYTHEELDER | "Naturalis Historia" writer killed during the eruption of Vesuvius |
| HERCULANEUM | Old city buried by the eruption of Mt. Vesuvius |
| OUTBREAK | Sudden eruption of strange tuber in tree (8) |
| ALIENATE | Put off a story about eruption of Etna (8) |
| VOLCANIC | Produced by an eruption of subterranean matter (8) |
| OUTBURST | Violent eruption of emotion (8) |
| DIAMONDS | From an Old English word for "untameable, invincible", precious stones sometimes brought to Earth's surface during rare volcanic eruptions of kimberlite magma; or, rhombi (8) |
| APOPLEXY | Eruption of furious anger (colloq.) |
| BLESSYOU | Response to an eruption of sorts |
| CRATER | An astrobleme; one of the circular depressions on the surface of the Moon; or, a volcanic caldera (6) |
| MAZAMA | Name of the volcano that became Crater Lake, the intensely blue lake located within a huge volcanic caldera in the Cascade Range, southwestern Oregon, U.S. (7) |