Figure 4.8: Probabilities of selected Polynesian drift and navigation voyages in the Pacific Ocean. According to a computer model, the outer arc of Polynesia, represented by Hawaii, Easter Island, and New Zealand, could have been reached only by navigated voyages. The earliest known Polynesian pottery shards were found in Tonga by archaeologists David Burley and William Dickinson, suggesting that the first distinctively Polynesian culture originated there.
(Source: Adapted from Levison, Ward, and Webb, 1973: 5, 33, 35, 43, 61.)