What exactly did the Ocean X team find on their sonar in 2011?
They recorded an almost perfectly round anomaly about 60 meters (≈180 feet) across resting nearly 300 feet down on the Baltic Sea floor; the sonar image sparked wide speculation.
Video Summary
In 2011 wreck divers recorded a near-perfect circular sonar anomaly ~60 m in diameter on the Baltic Sea floor.
Ocean X mounted a costly, high-tech expedition involving side-scan sonar, ROVs and manned dives to relocate and sample the feature.
Search operations were hampered by weather, drifting coordinates, navy encounters and a lost side-scan 'fish' that had to be retrieved.
Divers reached the object, recovered samples that appeared 'burnt' or melted, and documented unusual shapes and textures.
Geologists identified the recovered samples as volcanic rock, possibly transported by glaciers, but the object's origins remain debated and unresolved.
They recorded an almost perfectly round anomaly about 60 meters (≈180 feet) across resting nearly 300 feet down on the Baltic Sea floor; the sonar image sparked wide speculation.
They used side‑scan sonar (nicknamed 'the fish') to map the seabed, deployed an ROV to retrieve lost gear and obtain imagery, and organized manned dives to collect samples and document the site.
Geologists examined the 'burnt' stones and concluded they were volcanic in origin—rapidly chilled molten rock—which could have been transported to the area by glacial action.
Its brackish waters have low salinity, which slows the decay and biological degradation that typically damage submerged wood and other materials, allowing long‑term preservation.
No definitive confirmation was made; while some features looked artificial and samples were unusual, geological analysis favored volcanic explanations and the object's true origin remains uncertain.
They contended with weather, drifting coordinates, a nearby naval vessel, loss of critical sonar equipment, and the intrinsic risks of deep diving—nitrogen narcosis, specialized gas mixes and decompression hazards.
"In June of 2011, Swedish wreck divers Peter Lindbergh and Dennis Orsberg stumbled upon something no one could explain."
In June 2011, wreck divers discovered an unusual object nearly 300 feet deep in the Gulf of Bosnia. This object appeared almost perfectly round, measuring 180 feet in diameter, prompting speculation about its potential origins and nature.
The sonar imaging revealed this anomaly, which resembled a UFO, sparking curiosity and excitement among the divers. They felt they were on the brink of a groundbreaking adventure.
"They found what can only be described as the wreckage of a spaceship."
Initially, the divers were at a loss to explain the object, suggesting it could possibly be man-made. This led to more questions than answers, leaving them on an emotional rollercoaster as they planned their next steps.
Peter, who has extensive diving experience, expressed eagerness to discover something new, indicating that the thrill of exploration drives his work.
"Throughout history, many ships have been lost in these international waters."
The Baltic Sea, with a reputation for preserving shipwrecks due to its unique brackish water conditions, has a history filled with maritime mysteries. It is estimated that over one hundred thousand shipwrecks might lie in these waters.
The famous ship Vasa, a Swedish warship that sank in the 1600s, was salvaged centuries later, with its hull remarkably intact, highlighting the sea's excellent preservation qualities for underwater artifacts.
"The expedition requires state-of-the-art technology, staff, and mountains of supplies, which is very costly."
The upcoming expedition to investigate the anomaly necessitated significant financial resources and advanced technology, with a daily budget exceeding twenty thousand Euros.
The crew, led by Captain Thomas alongside divers and technical operators, faced tight scheduling intertwined with the challenges of weather conditions, which could delay their mission to uncover the truth about the underwater object.
"Finding the object is like searching for a needle in a haystack."
The exploration team employs a side scan sonar, nicknamed "the fish," to create two-dimensional images of the seabed, which are essential for effectively locating their target.
The search area has expanded to 1.16 square miles due to inaccuracies in the previous year’s coordinates caused by currents and winds.
The team's success hinges on their ability to quickly find the object, which spans 60 meters in diameter, amidst vast open sea territory.
"Being under surveillance is not a risk worth taking."
The coordinates of the anomaly are kept secret due to the interest from other international authorities in the Baltic region, emphasizing the need for discretion.
Crew members must turn off any tracking devices to ensure their movements remain confidential, although some skepticism remains about complete safety from tracking technologies.
"It turned out to be a Navy ship heading directly towards us."
A Swedish Navy ship appears unexpectedly, causing concern among the crew as they navigate their search pattern.
The naval vessel ultimately moves north, allowing the team to refocus on scanning the ocean floor while remaining alert to their surrounding environment.
"Peter needs to make a critical decision and he has to make it fast."
The team experiences a loss of their side scan sonar, requiring Peter to weigh three options: continue searching with limited equipment, return to Stockholm for replacements, or attempt to retrieve the lost sonar.
They ultimately decide to strive for retrieval, acknowledging that finding it at the bottom might be a significant challenge.
"The ROV has a small grabber arm the operator hopes to use to reel in the fish."
The team utilizes a remote-operated underwater vehicle (ROV) to locate and retrieve their sonar cable.
Initially successful in finding the cable, the crew faces challenges due to the soft seabed and limited visibility as they attempt to grab it.
"We have been searching for 18 hours but had a break when we had the side scan fish on the bottom."
After repairing the side scan sonar, the crew resumes their search operations, albeit with a decline in morale due to lost time.
Despite the setbacks, they are determined to continue their search and report spotting a shadow that could lead to the object.
"After more than 48 hours of searching, they have finally found the object."
The team discovers the anomaly, which matches descriptions from previous observations, leading to a significant boost in morale.
They express a mix of excitement and caution as they prepare to analyze what may lie beneath the surface.
"Now we're not really sure what we're facing, so of course, I am a bit anxious about it."
With the initial analysis complete, the team begins planning their first dive, aware of the potential risks associated with the unknown object below.
They emphasize thorough preparation, considering environmental factors such as temperature and current, before sending divers to investigate further.
"Deep-sea diving is incredibly risky and puts great demands on the human body and equipment."
Divers must dive in pairs to ensure safety, with one diver assisting the other in case of emergencies.
Stefan and his partner Frederick meticulously plan their dive operation, emphasizing that "the devil is in the details" and the need for thorough preparation.
At depths of 20 meters, divers face risks such as nitrogen narcosis, presenting symptoms similar to being under the influence of alcohol.
As divers descend deeper, they encounter increasing pressure, making normal air poisonous at 60 meters. To mitigate this, divers breathe a special helium-based mixture to lower the oxygen and nitrogen levels in their bloodstream.
A slow ascent is crucial; otherwise, nitrogen expands in the blood, leading to decompression sickness, known as "the bends."
"We have two alternatives: wait for the fog to disappear or dive anyway, but if the divers run into problems, then we are in deep trouble."
As conditions worsen with fog reducing visibility, Peter faces a critical decision regarding the mission's safety versus time constraints, ultimately deciding to proceed with the dive.
The descent begins under murky conditions; at 20 meters, light visibility dramatically decreases, reaching near-total darkness at 90 meters.
Peter grapples with anxiety, fearing that if something were to go wrong, the divers would be beyond rescue.
"What I’ve seen looks somewhat like burned plastic or anything that’s burnt or melted, and that was very mysterious for us."
Upon reaching the anomaly, the divers discover what appears to be a concrete-like structure that turns black upon contact, intensifying the mystery surrounding its nature.
Frederick examines the object, noting its peculiar texture and shape that suggest it may have been molded before turning into stone.
The team is left with more questions than answers, as they gather samples and document their findings for experts to analyze and interpret.
"The last of the three most common theories is that the anomaly is a natural phenomenon; either a structure caused perhaps by a gas pocket or a volcano throwing up lava."
Theories abound regarding the anomaly’s origin, suggesting it could either be a natural phenomenon or a man-made structure.
Suggestions include volcanic activity that could account for the unusual shapes and textures, or it may be remnants of a meteorite.
Experts underscore the importance of continuing research to uncover the true nature of this deep-sea mystery, noting that the anomaly shows characteristics resembling human construction yet remains enigmatic.
"It's official. The rock is volcanic, which might have been transported there by glaciers."
The examination of burnt stones from the Baltic Sea anomaly raises questions about their origin. There is speculation that these rocks could be remnants of a meteorite, but geologists suggest they are volcanic in nature.
Peter and Dennis consult geologist Falco Brooket, who explains that the fine crystals within the rock indicate it was once molten and chilled rapidly, characteristic of volcanic rock.
Falco theorizes that glaciers could have transported the volcanic rock to its current location in the northern Baltic.
"The big questions right now are: Did the glaciers transport it there and what lies beneath?"
The unusual shapes formed by the volcanic rock lead Peter and Dennis to investigate what might lie underneath.
Falco discusses the importance of collecting samples directly from the object to understand its true composition and the potential geological processes at play.
There is a whimsical suggestion that the structures could resemble an alien vessel, highlighting the range of theories about the anomaly.
"It's harder for us now to convince companies to get into this when Fox does this."
As rumors and speculation about the anomaly proliferate, Peter and Dennis face increasing skepticism from potential sponsors and the public.
Dennis finds himself resorting to selling merchandise to finance further expeditions despite the growing belief that their discovery is merely a pile of rocks.
The impact of these rumors creates tension, pushing Peter further away from the project, while Dennis remains determined to clear their names and continue their search for the truth.
"This is going to be very interesting for me to see a bigger view."
The duo's efforts to restore corrupted sonar data yield new images revealing the underwater features around the anomaly, including a small mountain and a canyon.
Their exploration reveals another ridge that leads toward a second anomaly, suggesting a potential connection between the two.
The findings increase the intrigue around the anomalies and hint at the possibility of complex geological formations or even artificial structures below the surface.