Bloop
Field Report
The Bloop is one of the ocean’s most famous unexplained acoustic phenomena, recorded by the U.S. National Oceanic and Atmospheric Administration (NOAA) in 1997. Detected by deep-sea hydrophones thousands of kilometers apart, the ultra-powerful sound was initially speculated to come from a massive, unknown marine creature. Its low-frequency signature dwarfed typical whale calls, fueling rampant cryptid theories about colossal sea beasts lurking in the Pacific depths. Later analysis pointed toward icequakes—fracturing ice shelves as likely sources—dampening the monstrous allure. Nevertheless, the Bloop remains an enduring part of maritime mystery culture, frequently cited in documentaries and speculative fiction. It highlights how little is known about the deep ocean and how quickly the human imagination fills that void with leviathans. Even rational explanations can’t quite erase the thrill of wondering what else might be out there, just beyond our reach.
Classification
Type:Aquatic Cryptid
Location:South Pacific Ocean, Remote oceanic coordinates
Traits:Unseen, colossal, oceanic, echoing calls, elusive
Threat Assessment
Danger Level: 2.1
First Reported: 1997
Sightings: 1
Reveal Full Dossier
Behavioral Patterns
It travels vast undersea canyons, emitting occasional low vibrations. Its movements suggest an immense creature uninterested in surface life.
Folklore & Origins
Speculative ichthyology claims this colossal sound might be tied to a deep-sea cryptid near Chile.
Media Documentation
Gained brief international attention after NOAA recorded an unexplained ultra-low-frequency sound, leading to speculative articles on sea monsters. Later identified as likely icequake activity, which tempered mainstream interest. Still surfaces in internet cryptid discussions and mystery podcasts.
Hoax Analysis
Bloop was initially thought to be a mysterious, possibly biological sound from the deep ocean, but later research attributed it to icequake noises. There is no evidence of a hoax, though early speculation gave rise to fanciful theories that were not scientifically supported.