At the same moment the earth began to erupt fire and smoke and steel.
From beneath it, the potential troglodyte, that lurks in us all, is ready enough to erupt.
Shann drew his legs under him, ready to erupt into a counter-offensive.
He is evidently preparing to erupt, which he does at intervals of several days.
It was immense, but it might erupt through a dozen forced openings.