John Gills Exposition of the Bible Commentary - Genesis 19:25
And he overthrew those cities ,.... Of Sodom, Gomorrah, Admah, and Zeboiim: very probably at the same time that this fiery tempest was in the heavens, there was an earthquake which overthrew the cities; and so Strabo F8 Geograph. l. 16. p. 526. makes the lake, which is now the place where they stood, to be owing to earthquakes and eruptions of fire, and of hot bituminous and sulphurous waters; and says nothing of fire from heaven, which yet Tacitus and Solinus do, being unacquainted... read more
Matthew Henry's Complete Commentary - Genesis 19:24-25
Then, when Lot had got safely into Zoar, then this ruin came; for good men are taken away from the evil to come. Then, when the sun had risen bright and clear, promising a fair day, then this storm arose, to show that it was not from natural causes. Concerning this destruction observe, 1. God was the immediate author of it. It was destruction from the Almighty: The Lord rained?from the Lord (Gen. 19:24), that is, God from himself, by his own immediate power, and not in the common course of... read more