Then the channels of the sea were seen, and the foundations of the world were uncovered at your rebuke, O LORD, at the blast of the breath of your nostrils.
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Augustine of Hippo
AD 430
16. "And the fountains of water were seen. And the fountains of water springing up into everlasting life," which were made in the preachers, were seen. "And the foundations of the round world were revealed" (ver. 15). And the Prophets, who were not understood, and upon whom was to be built the world of believers in the Lord, were revealed. "At Thy chiding, O Lord:" crying out, "The kingdom of God is come nigh unto you." "At the blasting of the breath of Thy displeasure;" saying, "Except ye repent, ye shall all likewise perish."
Discovered. The earthquakes were so great, that such dreadful effects might have been expected. These phenomena sometimes make the sea retire, and new islands appear. (Pliny, i. 84., and xxxi. 5.)
The Jews supposed that the sea was the common source of all fountains, and that the earth was founded on it, Psalm xxiii. 2., and Ecclesiastes i. 7. (Calmet)