Years later, noaa scientists discovered that this sound emanated from an iceberg cracking and.. This mysterious underwater sound recorded in the pacific ocean in 1997 was so loud that underwater microphones detected it from over 3,000 miles away.
The bloop was a mysterious and loud noise heard in the ocean that some people thought might come from a gigantic sea creature.. The bloop is the given name of a mysterious underwater sound recorded in the 90s.