Revelation 16:18

And there were flames and voices and thunders; and there was a great earth-shock so that never, from the time when men were on the earth, had there been so great an earth-shock, so full of power.

Daniel 12:1

And at that time Michael will take up his place, the great angel, who is the supporter of the children of your people: and there will be a time of trouble, such as there never was from the time there was a nation even till that same time: and at that time your people will be kept safe, everyone who is recorded in the book.

Revelation 4:5

And out of the high seat came flames and voices and thunders. And seven lights of fire were burning before the high seat, which are the seven Spirits of God;

Revelation 6:12

And I saw when the sixth stamp was undone, and there was a great earth-shock; and the sun became black as haircloth, and all the moon became as blood;

Revelation 8:5

And the angel took the vessel; and he made it full of the fire of the altar, and sent it down on the earth: and there came thunders and voices and flames and a shaking of the earth.

Revelation 11:13

And in that hour there was a great earth-shock and a tenth part of the town came to destruction; and in the earth-shock seven thousand persons came to their end: and the rest were in fear, and gave glory to the God of heaven.

Revelation 11:19

And the house of God which is in heaven was open; and the ark of his agreement was seen in his house, and there were flames and voices and thunders and an earth-shock and a rain of ice.

Matthew 24:21

Because in those days there will be great sorrow, such as there has not been from the start of the world till now, or ever will be.

Treasury of Scripture Knowledge

Summary

And there were voices, and thunders, and lightnings; and there was a great earthquake, such as was not since men were upon the earth, so mighty an earthquake, and so great.

General references

Bible References

Were

Revelation 4:5
And out of the high seat came flames and voices and thunders. And seven lights of fire were burning before the high seat, which are the seven Spirits of God;
Revelation 8:5
And the angel took the vessel; and he made it full of the fire of the altar, and sent it down on the earth: and there came thunders and voices and flames and a shaking of the earth.
Revelation 11:19
And the house of God which is in heaven was open; and the ark of his agreement was seen in his house, and there were flames and voices and thunders and an earth-shock and a rain of ice.

A

Revelation 11:13
And in that hour there was a great earth-shock and a tenth part of the town came to destruction; and in the earth-shock seven thousand persons came to their end: and the rest were in fear, and gave glory to the God of heaven.
Daniel 12:1
And at that time Michael will take up his place, the great angel, who is the supporter of the children of your people: and there will be a time of trouble, such as there never was from the time there was a nation even till that same time: and at that time your people will be kept safe, everyone who is recorded in the book.

General references

Isaiah 29:6
The Lord of armies will come in with thunder and earth-shaking and great noise, with rushing wind and storm, and the flame of burning fire.
Isaiah 42:15
I will make waste mountains and hills, drying up all their plants; and I will make rivers dry, and pools dry land.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain