NET
19 They will go into caves in the rocky cliffs and into holes in the ground, trying to escape the dreadful judgment of the Lord and his royal splendor, when he rises up to terrify the earth.
Darby
19 And they 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 shall arise to terrify the earth.
KJV
19 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.