Prophecy not only foretells the manner and object of Christ’s coming, but presents tokens by which men are to know when it is near. Said Jesus: “There shall be signs in the sun, and in the moon, and in the stars.” Luke 21:25. “The sun shall be darkened, and the moon shall not give her light, and the stars of heaven shall fall, and the powers that are in heaven shall be shaken. And then shall they see the Son of man coming in the clouds with great power and glory.” Mark 13:24-26. The revelator thus describes the first of the signs to precede the second advent: “There was a great earthquake; and the sun became black as sackcloth of hair, and the moon became as blood.” Revelation 6:12. (GC 304.1) MC VC

These signs were witnessed before the opening of the nineteenth century. In fulfillment of this prophecy there occurred, in the year 1755, the most terrible earthquake that has ever been recorded. Though commonly known as the earthquake of Lisbon, it extended to the greater part of Europe, Africa, and America. It was felt in Greenland, in the West Indies, in the island of Madeira, in Norway and Sweden, Great Britain and Ireland. It pervaded an extent of not less than four million square miles. In Africa the shock was almost as severe as in Europe. A great part of Algiers was destroyed; and a short distance from Morocco, a village containing eight or ten thousand inhabitants was swallowed up. A vast wave swept over the coast of Spain and Africa engulfing cities and causing great destruction. (GC 304.2) MC VC

It was in Spain and Portugal that the shock manifested its extreme violence. At Cadiz the inflowing wave was said to be sixty feet high. Mountains, “some of the largest in Portugal, were impetuously shaken, as it were, from their very foundations, and some of them opened at their summits, which were split and rent in a wonderful manner, huge masses of them being thrown down into the adjacent valleys. Flames are related to have issued from these mountains.”—Sir Charles Lyell, Principles of Geology, page 495. (GC 304.3) MC VC