An explosion is a rapid expansion in volume associated with an extremely vigorous outward release of energy. Supersonic explosions created by high explosives are known as detonations and travel through shock waves. Subsonic explosions are created by low explosives through a slower combustion process known as deflagration..
See also: 2022 Crimean Bridge explosion, Creeslough explosion, 2020 Beirut explosion, Cambrian explosion, Halifax Explosion, 2015 Tianjin explosions,