The Kos Plateau Tuff eruption of the Kos Volcano 161,000 years ago poured pyroclastic flows into the Aegean Sea. IODP
#exp398 found the submarine products of the eruption 200 to 300 m thick, 140 km away from source NE of Santorini.
www.science.org/doi/10.1126/...
Submarine ash megabed fed by far-traveled, shoreline-crossing pyroclastic currents from a large explosive volcanic eruption
Volcanic ash from an eruption in Greece poured into the sea, forming a bed 200 m thick in a submarine basin far from the volcano.