They thrust him out; not by force, as was noted on 2 Chronicles 26:18, which needed not, for he voluntarily hasted away, as it follows; but by vehement persuasions and denunciations of God's further judgments upon him, if he did not depart. Some suppose that the earthquake, mentioned Amos 1:1 Malachi 14:5, happened upon this occasion, as another token of God's displeasure against this unparalled arrogancy.
Related Commentaries of 2 Chronicles 26:20
2 Chronicles 26:20
20 And Azariah the chief priest, and all the priests, looked upon him, and, behold, he was leprous in his forehead, and they thrust him out from thence; yea, himself hasted also to go out, because the LORD had smitten him.