0 past simple and past participle of erupt
1 When a volcano erupts, it explodes and flames and rocks come out of it:
Inner-city riots erupted when a local man was shot by police.
A big diplomatic row erupted as a result.
Spontaneous demonstrations erupt almost daily.
A legal fight has erupted between two of the world's largest oil companies.
Geologically, the only reasonable conclusion is that the lavas were erupted subaerially, or perhaps emplaced as sills close to the surface in some cases.
The volcano there, after being dormant for 400 years, erupted in 1995.
But they erupted again, and for almost twenty years the mal continued to torment the villagers to various degrees.