Matthew 24:21

‘And I will do among you what I have not done and the like of which I will never do again because of all your abominations.

“Now at that time, Michael, the great prince who stands guard over the sons of your people, will stand. And there will be a time of distress such as never happened since there was a nation until that time; and at that time your people, everyone who is found written in the book, will be rescued.

“But immediately after the tribulation of those days the sun will be darkened, and the moon will not give its light, and the stars will fall from the sky, and the powers of the heavens will be shaken.

And I said to him, “My lord, you know.” And he said to me, “These are the ones who come out of the great tribulation, and they washed their robes and made them white in the blood of the Lamb.

And there were flashes of lightning and sounds and peals of thunder; and there was a great earthquake, such as there had not been since man came to be upon the earth, so great an earthquake was it, and so mighty.