Then the seventh angel poured out his bowl in the air. A loud voice came from the throne in the temple, saying, "It is done!"
There were flashes of lightning, rumblings and peals of thunder, and a terrible earthquake. There has never been such an earthquake since the creation of human beings; this was the worst earthquake of all! 1
References for Revelation 16:18
16.18 Rev 8.5; 11.13, 19.
The great city was split into three parts, and the cities of all countries were destroyed. God remembered great Babylon and made her drink the wine from his cup - the wine of his furious anger. 2
References for Revelation 16:19
16.19 Is 51.17.
All the islands disappeared, all the mountains vanished. 3
References for Revelation 16:20
16.20 Rev 6.14.
Huge hailstones, each weighing as much as a hundred pounds, fell from the sky on people, who cursed God on account of the plague of hail, because it was such a terrible plague. 4
References for Revelation 16:21
16.21 Ex 9.23; Rev 11.19.