KJV: But if the LORD make a new thing, and the earth open her mouth, and swallow them up, with all that appertain unto them, and they go down quick into the pit; then ye shall understand that these men have provoked the LORD.
NASB: "But if the LORD brings about an entirely new thing and the ground opens its mouth and swallows them up with all that is theirs, and they descend alive into Sheol, then you will understand that these men have spurned the LORD."
KJV: And the earth opened her mouth, and swallowed them up together with Korah, when that company died, what time the fire devoured two hundred and fifty men: and they became a sign.
NASB: and the earth opened its mouth and swallowed them up along with Korah, when that company died, when the fire devoured 250 men, so that they became a warning.
KJV: And what he did unto Dathan and Abiram, the sons of Eliab, the son of Reuben: how the earth opened her mouth, and swallowed them up, and their households, and their tents, and all the substance that was in their possession, in the midst of all Israel:
NASB: and what He did to Dathan and Abiram, the sons of Eliab, the son of Reuben, when the earth opened its mouth and swallowed them, their households, their tents, and every living thing that followed them, among all Israel--