In Isaiah's revelation of the Day of the Lord it is the glory of the Lord of Hosts that is revealed before all.
Isaiah presents for the reader a model response in light of the predicted final judgment.
The picture of the Lord's judgment is intended to evoke a response from the reader, especially in light of our knowledge of Jesus the Messiah and his imminent second coming.
The end of the world is presented as a cataclysm that is world engulfing where everyone will know that it is from the hand of the Lord.
Isaiah 24's vision of the end of the world is picked up and elaborated upon by the Apostle John in the Book of the Revelation.