'Sink' in the Bible

Won't the land tremble for this, and everyone mourn who dwells in it? Yes, it will rise up wholly like the River; and it will be stirred up and sink again, like the River of Egypt.

For the Lord, Yahweh of Armies, is he who touches the land and it melts, and all who dwell in it will mourn; and it will rise up wholly like the River, and will sink again, like the River of Egypt.