MessageToEagle.com

Unexplained Sounds Coming From The Ocean

28 June, 2013

First version of this article was originally published on 5 May, 2012

Share this story:

Follow us:

MessageToEagle.com - Several very unusual sounds coming from the oceans have been recorded by scientists world-wide.

Are the sounds caused by very large life forms lurking in the unexplored darkness of Earth's deep oceans or perhaps something else?

Something is down there and experts do not know what it is...

All of these sounds have no thing in common - they remain unexplained.

Bloop

In 1997, deep sea microphones captured a loud and unusual sound, dubbed a Bloop in Earth's Pacific ocean.

Although Bloops are some of the loudest sounds of any type ever recorded in Earth's oceans, their origin remains unknown. The Bloop sound was placed as occurring several times off the southern coast of South America and was audible 5,000 kilometers away.

The sound does have similarities to those vocalized by living organisms, but researchers say not even a blue whale is large enough to croon this loud. In fact, no known creature on Earth can create this sound, scientists say.

"The sound waves are almost like voice prints.

You're able to look at the characteristics of the sound and say: 'There's a blue whale, there's a fin whale, there's a boat, there's a humpback whale and here comes and earthquake, Christopher Fox of the U.S. National Oceanic and Atmospheric Administration's Acoustic Monitoring Project at Portland, Oregon said.

But the Bloop is a mystery. Is it a monster of the deep?

No further Bloops have been heard since 1997, although other loud and unexplained sounds have been recorded in other places under different circumstances.

Listen to the Bloop sound

Credit: NOAA, SOSUS

Other examples of unexplained sounds coming from the oceans are:

Julia

The sound was recorded on March 1, 1999 on the Equatorial Pacific Ocean autonomous hydrophone array.

The source of the sound is unknown, but is sufficiently loud to be heard over the entire array. The duration is approximately 15 seconds and is severely band limited. The approximate origin is 1999JD60 2218Z near 15S, 98W. Listen to the Julia sound

Train

This sound was recorded on March 5, 1997 on the Equatorial Pacific Ocean autonomous hydrophone array.

The sound rises to a quasi-steady frequency. The origin of the sound is unknown. Listen to the Train sound

Slow Down

This sound was recorded May 19, 1997 on the Equatorial Pacific Ocean autonomous hydrophone array.

The sound slowly descends in frequency over about 7 minutes and was of sufficient amplitude to be heard on three sensors at 95W, and 8S, 0, and 8N, at a range of nearly 2,000 km. This type of signal has not been heard before or since. It yields a general location near 15oS; 115oW.

The origin of the sound is unknown. Listen to the Slow Down sound

Whistle

This sound was recorded by the autonomous hydrophone deployed at 8oN, 110oW on July 7, 1997 at 0730Z.

Origin of the signal is unknown, and it was not detected on any other hydrophone. The band of energy between 1 and 6 Hz represents "strumming" of the mooring in mid-water currents. Listen to the Whistle sound

Upsweep

This sound was present when PMEL began recording SOSUS in August, 1991.

It consists of a long train of narrow-band upsweeping sounds of several seconds duration each. The source level is high enough to be recorded throughout the Pacific. It appears to be seasonal, generally reaching peaks in spring and fall, but it is unclear whether this is due to changes in the source or seasonal changes in the propagation environment. The source can be roughly located at 54o S, 140oW, near the location of inferred volcanic seismicity, but the origin of the sound is unresolved. The overall source level has been declining since 1991 but the sounds can still be detected on NOAA's equatorial autonomous hydrophone arrays. Listen to the Upsweep sound

What are these mysterious and unexplained sounds?

According to scientists, some of the sounds can have straightforward origins and they can be traced to weather and ocean currents.

The upsweep sound was first believed to be biological, possibly produced by fin whales. However, when the sound was picked up by receivers on opposite sides of the Pacific, researchers concluded that it was too loud to have been produced by a whale. The signals also stayed the same over the course of many seasons, whereas whale song should have varied as the whales migrated. Also, the sound was too uniform to have come from whales.

Although Upsweep's relatively pure tone didn't fit with the more varied sounds typical of other volcanic activity, the researchers speculated that it came from some kind of oscillation of bubbly liquid, perhaps seawater coming into contact with a large pool of lava. "Somehow within the volcanic cycle," explains Emile Okal of Northwestern University in Chicago, "there must be some resonance of a column of water or gas."

Our oceans still hold many secrets left to unravel.

The train sound that resembles the rushing noise of a distant train could be ocean currents.

"Moving fluids generate vibrations, just like blowing air through a clarinet," Fox says. "If you have moving ocean water and the right conditions coming around a seamount or something, that could generate sound."

Scientists believe that the Bloop sound most likely comes from some sort of animal, because its signature is a rapid variation in frequency similar to that of sounds known to be made by marine beasts. It could be a giant squid, but then again we have little information on these creatures. "We don't have a clue whether they make noise or not," says Fox.

Perhaps the most tantalizing sound is Slowdown, which has been picked up a few times every year since about May 1997.

"It sounds like an airplane going by," says Fox. It has been detected in the Atlantic as well as the Pacific, but always from the south, indicating an Antarctic origin.

Could the sound come from a moving iceberg? We simply don't know. What we do know is that 75 % of the earth is covered with water. 97 % of earth's water is in the oceans.

Now, don't forget that we have only explored 5% of all our oceans. We really do not know what is down there....

Much remains to be learned from exploring the mysteries of the deep.

@ MessageToEagle.com

See also:
Who Installed "This Object" At The Bottom Of The Ocean?

Follow MessageToEagle.com for the latest news on Facebook and Twitter !

Don't Miss Our Stories! Get Our Daily Email Newsletter

Enter your email address:


Once you have confirmed your email address, you will be subscribed to the newsletter.

Recommend this article:


Incredible Images Show Giant Sinkhole In Sweden Keeps Expanding!

It looks like something taken straight from a horror movie. An enormous hole leading to hell, some would say. But this is not a movie. This is a real and dangerous phenomenon. New shocking images clearly show the enormous pit in Sweden is expanding...


Spectacular Unknown Object Seen In The Skies Over New Zealand

Subscribe To Our Space, Astronomy, Astrophysics, Earth and Xenology News!

Grab the latest RSS feeds right to your reader, desktop or mobile phone.


comments powered by Disqus

Subscribe to RSS headline updates from:
Powered by FeedBurner

Go to - MAIN PAGE

Copyright @ MessageToEagle.com All rights reserved.
Go to - MAIN PAGE

 Subscribe in a reader

Join Us On Facebook!

Other Popular Articles

Extraterrestrial Spaceship Buried Deep Underwater?
If one of our own space probes crashed on an inhabited planet somewhere in deep space, would aliens quickly dismiss the possibly that this probe was constructed by another intelligent civilization capable of producing a craft that explores space? Hopefully not! Something huge is lying buried deep underwater on our own planet and scientists are now trying to shed new light on the mystery.

Huge Artificial Object Hiding In The Taurus Constellation
In our previous article, Artificial Objects Discovered In North America Nebula we looked at some puzzling, oddly-shaped objects that look anything but natural. The Universe is full of wonders and although many galaxies and nebulas do often have a strange shape, it is still possible that there are many artificial objects in space. The following very strange object is located in the Taurus constellation.

Giant Underwater Canyon Zhemchug Can Only Be Seen Entirely From Space
We continue to explore amazing places on our beautiful planet. This time we take a journey deep beneath the oceans. Hidden beneath all that water are some of the biggest natural formations on earth. Deep underwater we find the longest mountain ranges, the tallest volcanoes and the deepest canyons. We might think that Grand Canyon is big, but it is nothing compared to Zhemchug that is so huge it can only be seen entirely from space!

Dangerous Fast and Furious - Birth Of Africa's New Ocean
The only places where mid-ocean ridges appear above sea level are Ethiopia and Iceland. Two new studies into the so-called “plumbing systems” that lie under volcanoes could bring scientists closer to predicting large eruptions and reveal new information about where magma is stored and how it moves through the geological plumbing network.

New Shocking Discovery Challenges The Origin Of Earth
Where did our planet come from? We already know that our Sun does not originate from M 67. A new surprising discovery is now forcing scientists to re-evaluate the origin of Earth.

Antarctica's Mysterious Lake Untersee And Its Otherworldly Ecosystem
A research team has now returned to Lake Untersee to begin the first real studies of this incredible environment. This new high-quality image details the conical stromatolites that have formed on top of a boulder at a depth of about 20 meters, other cones can be seen populating the sloping bottom...

Solar Tornadoes As Wide As Five Earths Discovered
Solar tornadoes several times as wide as the Earth can be generated in the solar atmosphere, say researchers in the UK. "This is perhaps the first time that such a huge solar tornado is filmed by an imager. Previously much smaller solar tornadoes were found my SOHO satellite. But they were not filmed," says Dr. Xing Li, of Aberystwyth University.

Extreme Weather: Rare Supercell Thunderstorm Produces Monster Hailstone
Just recently scientists announced they found new evidence linking Earth's extreme weather to human-caused global warming. Now, the National Weather Service office in Honoulu in coordination with the State Climate Extremes Committee has confirmed that a rare supercell thunderstorm has produced new state hail size record.

Living Earth Simulator - Supercomputer Predicting The Future
In Douglas Adams book the Hitchhikers Guide to the Galaxy we encounter a machine called Deep Thought. It is the most powerful computer ever built. Deep Thought is capable of answering questions concerning life, the Universe, and simply everything. Now scientists are planning to create a similar machine. It is called the Living Earth Simulator (LES).

New Evidence Links Earth's Extreme Weather To Human-Caused Global Warming
The past decade has been one of unprecedented weather extremes. Scientists of the Potsdam Institute for Climate Impact Research (PIK) in Germany argue that the high incidence of extremes is not merely accidental. From the many single events a pattern emerges. At least for extreme rainfall and heat waves the link with human-caused global warming is clear...

Proof Of How The Universe Is Changing

Though the universe is filled with billions upon billions of stars, the discovery of a single variable star in 1923 altered the course of modern astronomy. And, at least one famous astronomer of the time lamented that the discovery had shattered his world view.

Astronomical Mystery - Tremendous Explosion And Appearance Of Odd Rings
Twenty five years ago, on 1987 February 23, the brightest supernova of modern times was observed in the Large Magellanic Cloud.
The collision occurred at speeds near 60 million kilometers per hour and shock-heats the ring material causing it to glow.
Over time, astronomers have watched and waited for the expanding debris from this tremendous stellar explosion to crash into previously expelled material...

W3Counter