Massive Undersea Hydrothermal Field Discovered off Greece

Scientists have discovered a surprisingly large hydrothermal vent field near Milos, Greece, revealing Earth's dynamic interior through boiling fluids and vibrant microbial life. The discovery, detailed in Scientific Reports, highlights the role of seafloor fault lines in releasing hot, gas-rich fluids.

The extensive underwater vent system was found hidden along active fault lines beneath the seafloor near Milos, according to MARUM - Center for Marine Environmental Sciences, University of Bremen. These geological fractures act as pathways for hot, gas-rich fluids to escape, forming clusters of vents with striking visual diversity.

Researchers were surprised by the find, observing boiling fluids and vibrant microbial mats during deep-sea dives, according to Science Daily. Sampling of fluids reaching 180 degrees was also conducted.

Milos now stands out as one of the Mediterranean's most important sites for studying Earth's dynamic interior, according to MARUM. The discovery highlights the role of seafloor fault lines in releasing hot, gas-rich fluids, making Milos a key site for studying underwater geological activity and its potential impact on marine ecosystems.