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Science & Technology

New structures detected deep beneath the Earth

By T.K. Randall
June 12, 2020 · Comment icon 16 comments

There's a very strange world deep beneath our feet. Image Credit: CC BY-SA 3.0 NikoLang
Scientists studying our planet's interior have found previously unknown structures beneath the surface.
Situated deep beneath the Pacific Ocean between the Earth's core and mantle, these mysterious structures were discovered by analyzing the seismic data from earthquakes.

When an earthquake occurs, the seismic waves produced travel thousands of miles.

One of the most important aspects of these waves is that their properties change when they pass through materials of different densities, temperatures or compositions.

Using special seismometer stations around the world, scientists are able to pick up and analyze the properties of these waves to build up a picture of the planet's internal structure.
This latest discovery, which was made by geophysicists at the University of Maryland, focused on waves known as shear waves as they traveled beneath the Pacific Ocean basin.

"By looking at thousands of core-mantle boundary echoes at once, instead of focusing on a few at a time, as is usually done, we have gotten a totally new perspective," said lead author Doyeon Kim.

"This is showing us that the core-mantle boundary region has lots of structures that can produce these echoes, and that was something we didn't realize before because we only had a narrow view."

It currently remains unclear exactly what these structures are composed of, however a further analysis should help to improve our understanding of the Earth's interior.

Source: IFL Science | Comments (16)

Recent comments on this story
Comment icon #7 Posted by acute 3 years ago
The Greys have bases inside the Earth, with research laboratories where they experiment with alien-human hybrids.† Read The Hole At The Pole by David Soul.† (Hutchbooks, ISBN 549284446303)
Comment icon #8 Posted by Nnicolette 3 years ago
Does anybody wanna make bets on WHAT kind of structures they are talking about? My guess will be giant diamonds/crystals created by compression.†Like in the movie "the core". 'm guessing they could tell if they were crystalline structures though. Why so vague. Always with the secrets. If they saw a shape they know what shapes they see.
Comment icon #9 Posted by XenoFish 3 years ago
I'm guessing the hollow earth cities collapsed.
Comment icon #10 Posted by Piney 3 years ago
No, they can't tell. The shapes are like blurry†blobs similar to magnetic anomalies.† WRONG!!!!! The Reptillians.††
Comment icon #11 Posted by SpaceBumZaphod 3 years ago
Damn, they found my man cave. Now, I'm going to find another spot to hide it from the wife.
Comment icon #12 Posted by Peter B 3 years ago
Here's a link to the University of Maryland website article, which has some more useful information, including a link to the page of the one of the researchers which has even more info.
Comment icon #13 Posted by Biggz 3 years ago
Gotta be Atlantis.†
Comment icon #14 Posted by I'mConvinced 3 years ago
I'm calling BS on this, everyone knows the earth is hollow. *edit* And flat, hollow and flat.†
Comment icon #15 Posted by I'mConvinced 3 years ago
DO NOT GOOGLE THIS with safe search turned off.†
Comment icon #16 Posted by razman 3 years ago
Hole at the pole by david soul. HE was a poet?†

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