| OUTBREAK | Eruption of strange tuber splitting tree (8) |
| APOPLEXY | Love splitting tree with axes in fury (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) |
| OUTBURST | Eruption of a volcano, explosion of applause, great pop or bang of anger, enough to blow off the doors (8) |
| DRUSILLA | Daughter of Herod Agrippa who perished in the eruption of Mount Vesuvius in 79 (8) |
| KRAKATOA | The 1883 volcanic eruption of which island was one of the greatest ever recorded? (8) |
| ALIENATE | Put off a story about eruption of Etna (8) |
| VOLCANIC | Produced by an eruption of subterranean matter (8) |
| BLESSYOU | Response to an eruption of sorts |
| 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) |
| POPULAR | In favour of union leader splitting tree (7) |
| ALEXANDER | Great man splitting tree with hatchet turned north (9) |
| AISHA | Prophet's wife, one splitting tree with axe's leading edge (5) |
| REELECT | Again put in power line over the City, splitting tree sadly (2-5) |
| KUNGFU | Chinese method of fighting eruption of fungus with potassium instead of sulphur (4,2) |
| POMPEII | Pliny the Younger provided an eye-witness account of the eruption of Vesuvius which buried this Roma |
| PLINY | Roman author known as the Elder who died as a result of the eruption of Vesuvius in 79 AD |
| HERCULANEUM | Ancient city of SW Italy buried along with Pompeii by an eruption of Mount Vesuvius in AD 79 (11) |
| ACNE | Which inflammatory disease is characterised by an eruption of the skin, expecially of the face (4) |
| ASH | The eruption of Mount St. Helens released 520 million tons of it |
