Men will flee to caves in the rocks and holes in the ground, away from the terror of the LORD and from the splendor of His majesty, when He rises to shake the earth.
KJV
And they shall go into the holes of the rocks, and into the caves of the earth, for fear of the LORD, and for the glory of his majesty, when he ariseth to shake terribly the earth.
ASV
And men shall go into the caves of the rocks, and into the holes of the earth, from before the terror of Jehovah, and from the glory of his majesty, when he ariseth to shake mightily the earth.