The site contains the oldest known cemetery within the Pacific Islands, and has been important in the gathering of information relating to the Lapita people of the ninth and tenth centuries BC.

In late 2003, 26 inhumations consisting of 36 individuals were found in the largest-known cemetery located on the south coast of Éfaté Island in Vanuatu in the Pacific.

A common feature of these burials is the presence of red pottery fragments bearing intricate designs.

Isotope analysis was performed on the excavated individuals to determine the characteristics of human migration in the Pacific during this time period.

[3] According to Matthew Spriggs, the ancient population at Teouma came "straight out of Taiwan and perhaps the northern Philippines".