Numbers 26:10

10and athe earth opened its mouth and swallowed them up together with Korah, when that company died, when the fire devoured 250 men, and bthey became a warning.

Deuteronomy 11:6

6and cwhat he did to Dathan and Abiram the sons of Eliab, son of Reuben, how the earth opened its mouth and swallowed them up, with their households, their tents, and every living thing that followed them, in the midst of all Israel.
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