verb

burst or shatter violently and noisily as a result of rapid combustion, excessive internal pressure, or other process.

an ammunition lorry exploded with a roar

blow up,detonate,blow,burst (apart),fly apart,fly into pieces,shatter,go off,erupt,bang,crack,boom,go bang,fulminate,set off,let off,discharge,touch off,trigger (off),fire off,let fly