NOAA (National Oceanic and Atmospheric Administration) have detected various unexplained sounds from deep in the Pacific Ocean. This article lists the most baffling ones that scientists can’t figure out. For the past 20+ years, scientists have been listening to different noises coming out of the deep oceans and have recorded seismic activity sounds, ice noise and various marine population and migration sounds. But along with these discoveries, there have also been a few sounds that are unexplainable and have not been identified yet. Various theories have been proposed to account for these sounds such as an unknown marine animal, ice sheet splitting or becoming unstable and even aliens and UFO’S have been discussed. Below is a list of the most powerful unexplained sounds along with a sample of the actual recording for each.