Largest artificial non-nuclear explosions
There have been many extremely large explosions, accidental and intentional, caused by modern high explosives, boiling liquid expanding vapour explosions (BLEVEs), older explosives such as gunpowder, volatile petroleum-based fuels such as petrol, and other chemical reactions. This list contains the largest known examples, sorted by date.
Source: Wikipedia — Largest artificial non-nuclear explosions (CC BY-SA 4.0)