World Events2011Baltic Sea, Gulf of Bothnia (Sweden/Nordic)low confidence

The Baltic Sea anomaly is a feature visible on an indistinct sonar image taken in June 2011.

Notes on verification

Multiple independent sources including Wikipedia, esovitae.com, explorersweb.com, ondatravel.pl, and Gaia consistently confirm the June 2011 date and the blurry/indistinct nature of the sonar image discovered by the OceanX team. [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

The Baltic Sea anomaly is a feature visible on an indisti… · DeepInquiry