Numbers 16:30-33

30but if Jehovah make a new thing, and the ground open its mouth, and swallow them up, and all that they have, and they go down alive into Sheol, then ye shall know that these men have despised Jehovah.

31And it came to pass when he had ended speaking all these words, that the ground clave apart that was under them.

32And the earth opened its mouth, and swallowed them up, and their households, and all the men that belonged to Korah, and all their property.

33And they went down, they and all that they had, alive into Sheol, and the earth covered them; and they perished from among the congregation.