| GREATFIRE | Short name of a major disaster that occurred in London in 1666 (5,4) |
| ABERFAN | Welsh mining village, scene of a major disaster in 1966 caused by the collapse of a slag heap (7) |
| LANE | Location of Thomas Farriner's bakery, the supposed starting point of the Great Fire of London in 1666 (7,4) |
| PUDDING | Location of Thomas Farriner's bakery, the supposed starting point of the Great Fire of London in 1666 (7,4) |
| AFIRE | Like London in 1666 |
| FAIRYRING | Short name of a mushroom whose Latin epithet, Marasmius oreades, refers to mountain nymphs; or, a circle formed by a number of said champignons, but popularly attributed to imagined folkish dancing pi |
| AVALANCHE | A heavy snowfall can be a major disaster (9) |
| PROVENCAL | Established, short name of a French language |
| CHERNOBYL | 2019 miniseries on HBO based on the nuclear disaster that happened in the Soviet Union in 1986 |
| ANIMALISM | One of the pigs is close to Mollie initially - that's something that occurred to George Orwell! (9) |
| MIRABILIS | Dispersed in mass burial in 1666 (5,9) |
| CATACLYSM | Major disaster (9) |
| NAP | Raised surface fibres of a textile such as velvet; short name of a whist-like game; or, a tipster's chief fancy of the day in horse-racing (3) |
| BATTLEDORE | Short name of a game played with a shuttlecock and rackets that was a forerunner of badminton (10) |
| KRAKATOA | Break a bone? That sounds a major disaster, naturally |
| KEW | Short name of a botanic garden in Richmond, London (3) |
| TIENTSIN | Relief of ____, battle of the Boxer Rebellion that occurred in July 1900 (8) |
| RACERIOT | One of more than 150 that occurred in the US during the summer of 1967 |
| CHAMONIX | Common or short name of a ski resort at the foot of Mont Blanc, site of the first Winter Olympics (8 |
| NOW | Word for "tout de suite" that is the short name of a series of compilation albums released since 1983 (3) |
