What is another word for "eruption"?

Roget's Thesaurus (1911) lists these synonyms for "eruption": bomb, can, coup, curiosity, fire, gazingstock, light, lion, marvel, mirabilis, miracle, monster, paint, peal, phenomenon, poi, portent, prodigy, shell, sight, sign, spectacle, the, theatre, thunder, unconformity, volcanic, what, wonder, wonderment, wonders, world.