La Marmotta was first discovered in 1989 beneath the waters of Lake Bracciano, a Circum-Alpine Lake of volcanic origin in the Italian region of Lazio. The lake owes its origin to intense volcanic and tectonic activity, resulting in the collapse of the magma chamber that created a depressed area now occupied by the lake.During the Early Neolithic Period, a lakeshore settlement was established which today lies approximately 300 metres from the modern shoreline, submerged at a depth of 11 metres.Underwater surveys of the settlement have documented several thousand wooden piles or support posts on the lakebed; the spatial distribution of...
