The sudden fracturing of a rock face (especially in a mine) due to increased pressure

To erupt

(intransitive, literally) To appear suddenly from within something else. / (intransitive) To display sudden powerful emotion. / (intransitive) To speak emotionally or suddenly

present participle of burst out

plural of bursting pressure

(idiomatic) To suddenly start crying or sobbing.

To catch fire suddenly and unexpectedly.

present participle of burst into tears

present participle of burst into flames

Alternative form of burst into flame