| Record | OBS-0748 |
|---|---|
| Category | Unexplained/Lost Civilizations |
| Status | DEBUNKED |
| Summary | In 2011, a sonar image of a 70-meter object on the Baltic seabed sparked claims of a UFO or lost city. Scientists later identified it as a glacial deposit. The anomaly is often cited by UFO enthusiasts as evidence of extraterrestrial activity. |
| Origin | Discovered in 2011 by the Ocean X diving team in the Baltic Sea. |
| Claimed |
|
| Evidence / consensus | Geologists and oceanographers conclude it is a natural glacial deposit formed during the last ice age. |
Sources are external and provided for verification. Listing does not imply the Observer endorses their claims.