Baltic sea enigma: Explorers' find explained by ice‑age relics
In 2011, Swedish explorers Peter Lindberg and Denis Asberg discovered a mysterious structure at the bottom of the Baltic Sea. During their treasure hunt, sonars detected an object about 197 feet in diameter, located at a depth of 295 feet. Scientists noted that the structure has "formations resembling stairs," and another unknown object is located at a distance of about 656 feet.
2:18 PM EDT, October 11, 2024
Lindberg and Asberg initially thought the formation had a natural origin, but they weren't sure. Consequently, according to reports by the WION service, they began consulting scientists. "We were surprised. This is not a wreck, but it doesn't look like something natural either. We consulted with geologists and biologists, and their answers only fueled our curiosity," Asberg said in a 2011 interview for Swedish TV4.
Mysterious structure at the bottom of the Baltic Sea
The discovery sparked a wave of speculation about its origin. Some suggested it could be remnants of an ancient civilization, UFOs, hidden Nazi weapons, or a World War II bunker. Lindberg, in a 2012 interview with NBC, stated: "If it's a construction, it must have been created tens of thousands of years ago, before the Ice Age. If it were Atlantis, it would be amazing."
In 2016, detailed studies of the underwater structure were conducted. The Ocean X team visited the site, collected samples, and made a documentary about the Swedish explorers' discovery. The samples were sent for further analysis. As noted by the WION service, geologist Volker Bruchert from Stockholm University, after examining them, concluded that the object is not mysterious after all.
"Most of the samples are granites, gneisses, and sandstones. I hypothesize that this structure was formed during the Ice Age," explained Bruchert. Researchers concluded that the formation was created by glacial movements, likely of sandstone, basalt, or solidified volcanic lava.