Isaiah 2:21
They will flee to caverns in the rocks and crevices in the cliffs, away from the terror of the LORD and from the splendor of His majesty, when He rises to shake the earth.
Berean Standard Bible
To go into the clefts of the rocks, and into the tops of the ragged rocks, for fear of the LORD, and for the glory of his majesty, when he ariseth to shake terribly the earth.
to go into the caverns of the rocks, and into the clefts of the ragged rocks, from before the terror of the LORD, and from the glory of his majesty, when he arises to shake the earth mightily.