Revelation 6:12-17 (NKJV)
"I looked when He opened the sixth seal, and behold, there was a great earthquake; and the sun became black as sackcloth of hair, and the moon became like blood. And the stars of heaven fell to the earth, as a fig tree drops its late figs when it is shaken by a mighty wind. Then the sky receded as a scroll when it is rolled up, and every mountain and island was moved out of its place."
"And the kings of the earth, the great men, the rich men, the commanders, the mighty men, every slave and every free man, hid themselves in the caves and in the rocks of the mountains, and said to the mountains and rocks, 'Fall on us and hide us from the face of Him who sits on the throne and from the wrath of the Lamb! For the great day of His wrath has come, and who is able to stand?'"
Old Testament foundations for these verses
Joel prophesied about the cosmic signs that would precede God's intervention: "The sun shall be turned into darkness, And the moon into blood, Before the coming of the great and awesome day of the Lord" (Joel 2:31). When John describes the sun turning black and the moon becoming like blood in the sixth seal, he's witnessing the fulfillment of Joel's ancient prediction. These aren't random natural disasters. They're God's appointed signals that His day of judgment has arrived.
Isaiah predicted how people would respond to God's coming judgment. He wrote: "They shall go into the holes of the rocks, And into the caves of the earth, From the terror of the Lord And the glory of His majesty, When He arises to shake the earth mightily" (Isaiah 2:19). At the end of Revelation 6, John sees this exact scene unfold as people from every social class hide in caves and cry out to the rocks to fall on them. What Isaiah foretold, John now witnesses.
Verse-by-verse commentary
The sixth seal brings cosmic disturbances that signal God's direct intervention. A massive earthquake shakes the earth. The sun turns black. The moon appears blood-red. Stars fall from the sky like figs shaken from a tree by strong wind. The sky itself seems to roll up, and mountains and islands shift from their positions.
These cosmic signs fulfill Joel's prophecy directly. Jesus also predicted these signs in His Olivet Discourse, describing what would happen "immediately after the tribulation of those days" (Matthew 24:29). The universe itself testifies that God's day of judgment has arrived.
The world's response to these cosmic signs reveals the terror of facing God's judgment. Notice who hides: kings, great men, rich men, commanders, mighty men, slaves, and free people. No social class escapes the terror. The powerful and the powerless, the wealthy and the poor: all recognize that they're facing divine judgment and seek to hide desperately.
They flee to caves and cry out to the mountains and rocks to fall on them, fulfilling Isaiah 2:19. They would rather be crushed by rocks than face the One who sits on the throne. Their words reveal a startling recognition: they know this is God's wrath. They call it "the wrath of the Lamb" (acknowledging that Jesus, the Lamb of God, is the source of this judgment). They ask the crucial question: "Who is able to stand?"
Jesus answered this question already. In Luke 21:36, He said: "Watch therefore, and pray always that you may be counted worthy to escape all these things that will come to pass, and to stand before the Son of Man." The way to stand before God's wrath isn't through hiding in caves. It's through faith in the Lamb, received before His day of judgment arrives.