Jamieson, Fausset and Brown on Revelation 16:18

18. voice ... thunders ... lightnings--A has the order, "lightnings ... voices ... thunders." This is the same close as that of the seven seals and the seven thunders; but with the difference that they do not merely form the conclusion, but introduce the consequence, of the last vial, namely, the utter destruction of Babylon and then of the Antichristian armies.

earthquake--which is often preceded by a lurid state of air, such as would result from the vial poured upon it.

men were--so B, Vulgate, Syriac, and Andreas. But A and Coptic read, "A man was."

so mighty--Greek, "such."