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Zanclean Megaflood: Ancient Transformation of Mediterranean Sea Revealed

4/16/2025

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Summary

Story summary

Over 5 million years ago, the Zanclean megaflood dramatically transformed the Mediterranean Sea, as torrents of water cascaded from the Atlantic through the Strait of Gibraltar. This cataclysmic event followed the Messinian Salinity Crisis, which had left the basin parched. Geological findings in Sicily reveal compelling evidence of this monumental flood, showcasing immense water flow and debris deposits.

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Story summary

Over 5 million years ago, the Zanclean megaflood dramatically transformed the Mediterranean Sea, as torrents of water cascaded from the Atlantic through the Strait of Gibraltar. This cataclysmic event followed the Messinian Salinity Crisis, which had left the basin parched. Geological findings in Sicily reveal compelling evidence of this monumental flood, showcasing immense water flow and debris deposits.