It happened, as he made an end of speaking all these words, that the ground split apart that was under them; and the earth opened its mouth, and swallowed them up, and their households, and all the men who appertained to Korah, and all their goods. So they, and all that appertained to them, went down alive into Sheol: and the earth closed on them, and they perished from among the assembly. read more.
All Israel that were around them fled at the cry of them; for they said, "Lest the earth swallow us up!" Fire came forth from Yahweh, and devoured the two hundred fifty men who offered the incense.

and what he did to Dathan and Abiram, the sons of Eliab, the son of Reuben; how the earth opened its mouth, and swallowed them up, and their households, and their tents, and every living thing that followed them, in the midst of all Israel: but your eyes have seen all the great work of Yahweh which he did.