What is the Upsweep sound?

Upsweep is an unidentified sound detected on the American NOAA’s equatorial autonomous hydrophone arrays. It consists of a long train of narrow-band upsweeping sounds of several seconds in duration each. The source level is high enough to be recorded throughout the Pacific.

What is the loudest sound in the ocean?

The Bloop
“The Bloop” is the given name of a mysterious underwater sound recorded in the 90s. Years later, NOAA scientists discovered that this sound emanated from an iceberg cracking and breaking away from an Antarctic glacier.

What are the noises in the ocean?

Both natural and human-made sounds occur in the ocean. Natural sounds come from marine life and naturally occurring events like underwater earthquakes. Human-made sounds come from many sources, such as ships, underwater energy exploration, military sonar, and underwater construction, among others.

When was the sound of upsweep first detected?

One of the strangest of these enigmatic sounds is the one known as Upsweep. The sound was first detected in 1991 emanating from across the entire Pacific. Besides this vast range, Upsweep showed a bizarre and totally unprecedented sound signature the likes of which no one had ever heard before in decades of listening in on ocean sounds.

Is there a sound like a bloop in the ocean?

Like the Bloop, Julia is most likely the sound of ice. In this case, NOAA researchers suspect the hydrophones picked up the sound of a large Antarctic iceberg running into the seafloor. Upsweep, which was first recorded in August 1991. Unlike most of the other sounds on this list, it can still be heard.

What kind of sound does upsweep sound like?

To the ears, the sound itself is described as sounding like the wail of an ambulance or the undulating howl of some huge beast. In addition to its haunting audio signature, Upsweep exhibits some other rather unusual characteristics that add to its mystique.

Is there a sound from the deep sea?

Unidentified Deep Sea Sounds – UpSweep (1X) – YouTube Recorded by the National Oceanic and Atmospheric Administration (NOAA) in 1991. This is the sound at 1X speed. Recorded by the National Oceanic and Atmospheric Administration (NOAA) in 1991. This is the sound at 1X speed. Skip navigation Sign in Search Loading… Close