A conflagration is a particularly large and destructive fire. In the environment, this may describe a fire that spreads via structure to structure, ignition due to radiant or convective heat, or ember
The August Complex fire in 2020, the largest fire in California's history
Burned trees in front the Montagna di Vernà, Peloritani mountains, Sicily
The Great Fire of London was a major conflagration that occurred in central London from Sunday 2 September to Wednesday 5 September 1666, gutting the medieval City of London inside the old Roman city
Conflagration
…may or may not include fatalities. An urban conflagration moves beyond a block and destroys whole sections of a city." Notable examples includes the Great Fire of London in 1666, the Great Fire of Tartu in 1775, the Great Fire of Turku in 1827, and the Great Fire of Hamburg in 1842, and the Camp Fire in Paradise…
The Great Fire of London, depicted by an unknown painter (1675), as it would have appeared from a boat in the vicinity of Tower Wharf on the evening of Tuesday, 4 September 1666. To the left is London Bridge; to the right, the Tower of London. Old St Paul's Cathedral is in the distance, surrounded by the tallest flames.
A panorama of the City of London in 1616 by Claes Visscher. The tenement housing on London Bridge (far right) was a notorious death-trap in case of fire; much would be destroyed in a fire in 1633.
Long View of London from Bankside, a panorama of London by Wenceslaus Hollar, 1647, notable for being rendered all from one viewpoint