Revelation 6:12-14
And I beheld when he had opened the sixth seal, and, see, there was a great earthquake; and the sun became black as sackcloth of hair, and the moon became as blood;
Nave's Topical Index—AKJV

Revelation 11:13
And the same hour was there a great earthquake, and the tenth part of the city fell, and in the earthquake were slain of men seven thousand: and the remnant were affrighted, and gave glory to the God of heaven.
Nave's Topical Index—AKJV

Revelation 16:18,20
And there were voices, and thunders, and lightning; and there was a great earthquake, such as was not since men were on the earth, so mighty an earthquake, and so great.
Nave's Topical Index—AKJV