Wednesday, October 13, 2010

Bloop, Julia, Train, and Whistle

I've not gone off the deep end, Bloop, Julia, Train, and Whistle are **unidentified sounds recorded undersea and determined to be from something (things) large.

Bloop, heard in 1997, was traced to a remote point in the south Pacific Ocean west of the southern tip of South America by US Navy equipment. According to NOAA's Dr Christopher Fox the sound "rises rapidly in frequency over about one minute and was of sufficient amplitude to be heard on multiple sensors, at a range of over 5,000 km."  Dr Fox went on record to say that it is not human in origin (not a sub, bomb or ship) nor was it geological (volcano or earthquake.) The sound was also recorded as being quite loud, in fact it was much louder than the loudest known animal, the Blue Whale. Did you catch that? Louder than the Blue Whale...the largest animal known to have existed! The sound cannot be researched much further, unfortunately, as the sound has not been made/heard since 1997.

Listen to Bloop

Julia was first heard March 1 1999 quite loudly over the Equatorial Pacific Ocean autonomous hydrophone array.

Listen to Julia

Whistle 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.
Train was recorded on March 5, 1997 on the Equatorial Pacific Ocean autonomous hydrophone array.

So what could these sounds be? According to Allan Bellows "The sound (the Bloop) shares many characteristics with those emanated from biological creatures, in fact it fits those parameters so closely that a large number of researchers are convinced that its origin is animal. But in order for an aquatic animal to emit a sound that can travel over 3,000 miles though Earth’s noisy oceans, scientists say that it would need an incredibly large noise-making apparatus, one much bigger than that of the blue whale."

So what do I think the noises are? I think they could be the mating calls of real sea monsters, (leftover dinosaurs) a plesiosaur or megalodon, or something else we thought was extinct. As you all know we're constantly finding new creatures and even ones we thought to be gone in my opinion, it's entirely possible that something large lurks out there in the deep!

What do you think it could be?

**There are other unidentified sounds but most of those have 'sort of' been figured out. Slow Down has been linked to glaciers movments, and Upsweep has been linked to volcanic activity.

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