Then I saw Him open the sixth seal. A violent earthquake occurred; the sun turned black like sackcloth made of goat hair; the entire moon became like blood;
References for Revelation 6:12
the stars of heaven fell to the earth as a fig tree drops its unripe figs when shaken by a high wind;
References for Revelation 6:13
the sky separated like a scroll being rolled up; and every mountain and island was moved from its place.
Then the kings of the earth, the nobles, the military commanders, the rich, the powerful, and every slave and free person hid in the caves and among the rocks of the mountains.
And they said to the mountains and to the rocks, "Fall on us and hide us from the face of the One seated on the throne and from the wrath of the Lamb,
References for Revelation 6:16
because the great day of Their wrath has come! And who is able to stand?"
References for Revelation 6:17