World Events2011Baltic Sea, Swedenlow confidence

The Baltic Sea anomaly sonar image was taken by Peter Lindberg, Dennis Åsberg, and their Swedish OceanX diving team.

Notes on verification

Corroborated by multiple independent sources (Snopes, ExplorersWeb, IMDb, and the team's own crowdfunding page), all consistent on names, nationality, and role. [tier=unverified indep_score=0.3 clusters=4 claim_tier=notable] [rescored 2026-09-15: curated origin-host map (PR #65); unclassified hosts no longer scored as aggregators]

Sources