noun, noun or participle which takes 'suru', intransitive verb
explosion; detonation; blast; eruption
Physical explosion: bombs, gas, volcanoes, or sudden violent bursting. Used as both noun and する-verb.
ガス管が破裂して大爆発が起きた。
A gas pipe ruptured and a huge explosion occurred.
火山が突然爆発した。
The volcano suddenly erupted.
noun, noun or participle which takes 'suru', intransitive verb
outburst; explosion (of emotion)
Metaphorical explosion: sudden, intense release of pent-up emotion such as anger, frustration, or discontent. Often used with 怒り, 不満, 感情.
彼はついに怒りが爆発した。
His anger finally exploded.
国民の不満が爆発してデモが広がった。
Public discontent erupted and protests spread.