Greenland in 2007. He visited the island and made the claim that he had discovered a new northernmost island.

A number of other locations have since been called the northernmost point. In July 2021, scientists visited what they thought was Oodaaq, later discovering they had actually landed on a previously unknown island 780 m north-west of Oodaaq. The island measures approximately 60 × 30 m, with a maximum elevation of around 3 m. The scientists proposed the island be called "Qeqertaq Avannarleq",