Additional reading justifying the presumption of human occupation at the time of the eruptions.
http://www.worngundidj.org.au/?q=tower-hill/about-reserve
“Archaeological surveys of the area have uncovered axe heads and other artefacts in the volcanic ash layers and local Aboriginal people would undoubtedly have witnessed the eruptions. The area was a rich source of food and shelter for different clans of the Gunditjmara Nation including the Koroit-gunditj and Peek Whurrong people.”
Thanks chulaivn66.