18 Then there came flashes of lightning, rumblings, peals of thunder and a severe earthquake. No earthquake like it has ever occurred since mankind has been on earth, so tremendous was the quake.

References for Revelation 16:18

19 The great city split into three parts, and the cities of the nations collapsed. God remembered Babylon the Great and gave her the cup filled with the wine of the fury of his wrath.

References for Revelation 16:19

20 Every island fled away and the mountains could not be found.

References for Revelation 16:20