The scientists detected the strange sound across the Pacific Ocean and it was coming from underwater.
Nature's depths offer beautiful views and experiences, but also mysterious anomalies. One such anomaly is an eerie sound heard at "Point Nemo" in the Southern Pacific Ocean, the most remote location on Earth, per IFLScience. This area is isolated with little surrounding land and strong currents, resulting in minimal sea life. 
The place is so isolated that it has become an area of intrigue for the researchers. In 1997, while listening to underwater volcanic activity in the southern Pacific, researchers at the US National Oceanic and Atmospheric Administration (NOAA) detected an unusual sound in this isolated area. They recorded the eerie sound using underwater microphones that were placed more than 3,219 kilometers apart across the Pacific. The sound could be heard for a rough estimate of one minute and rose in frequency from a low rumble. It was amongst the loudest sound ever recorded underwater.
The mysterious sound, unlike anything researchers had heard before, was dubbed "The Bloop." Despite extensive efforts, scientists couldn't determine its origin. Theories ranged from the sound coming from a military ship to an unknown creature.
Chris Fox, an oceanographer with the NOAA, said, “There are a lot of things making noise down there. Whales, dolphins and fish, the rumblings of the Earth,” per CNN. After excruciating efforts and research, Fox was able to arrive at a plausible theory. “I think it may be related to ice calving. It always comes from the south. We're suspecting that it's ice off the coast of Antarctica, in which case it's darn loud,” he pointed out. After getting the hint and doing further research, the scientists pointed out that the sharp, striking sound did come from an iceberg. The deep rumbling sound was finally identified in 2005 as an icequake — an iceberg cracking and breaking away from a glacier.
Due to global warming and several other climatic issues, the icequakes are more frequent and have been the cause of the mysterious sound all this while. Thanks to the PMEL’s (Pacific Marine Environmental Laboratory) Acoustics Program, researchers can now detect and record sounds from underwater. With their equipment and skills, they have also been able to differentiate animal and marine sounds from those of human activities. “The Bloop,” as it turns out, is a natural sound that is a result of the Antarctic glaciers breaking and not a mysterious creature or suspicious equipment!
Share on Facebook
