Back to today’s briefing

Story perspectives

Zanclean Megaflood Transformed Mediterranean 5.3 Million Years Ago

1/24/2025

47 10

Summary

Story summary

A groundbreaking study uncovers that the Zanclean Megaflood, which took place 5.3 million years ago, dramatically refilled the Mediterranean Sea, bringing an end to the Messinian Salinity Crisis. In Southeast Sicily, researchers discovered over 300 ridges, revealing a colossal flood that reshaped the landscape with unprecedented discharge rates, forever altering the region's history.

History

Historical Context

The Zanclean Megaflood, occurring 5.3 million years ago, ended the Messinian Salinity Crisis, which had drastically reduced the Mediterranean Sea's water levels. This event parallels other significant floods in history, such as the Bonneville flood in North America, highlighting how massive water influxes can reshape landscapes and ecosystems, influencing both geological and biological evolution in affected regions.

1 of 2

Story summary

A groundbreaking study uncovers that the Zanclean Megaflood, which took place 5.3 million years ago, dramatically refilled the Mediterranean Sea, bringing an end to the Messinian Salinity Crisis. In Southeast Sicily, researchers discovered over 300 ridges, revealing a colossal flood that reshaped the landscape with unprecedented discharge rates, forever altering the region's history.

1 / 2