EARTH ~ World’s Largest Subwoofer? Earthquakes ‘Pump’ Ground to Produce Infrasound

This needs further study.

They tell me the earth is basically full of hot and cold matter.  However, every sub-woofer I’ve ever seen was hollow. In fact it’s that ‘hollow’ in the sub-woofer that has a lot to do with that deep bass sound everyone is looking for.  For a sub-woofer to work it has to have a hollow area behind the speaker.

My question; where in the accepted theory of the makeup of our planet is the hollow part of – quote “The world’s largest sub-woofer?” end-quote. 

If our planet is the ‘world’s biggest sub-woofer’ then it must have the ‘worlds biggest hollow spot’ to make it work. And of course, those interested in Gardner’s Hollow Earth theory would want to know about the small round hole in the speaker box that must be there for a subwoofer to work.

Earth, world’s largest sub-woofer Hollow with a small circular hole in the body. What say you Hollow Earthers?. .  . EDITOR

from Science Daily

ScienceDaily (Oct. 18, 2012) — Earthquakes sway buildings, buckle terrain, and rumble — both audibly and in infrasound, frequencies below the threshold of human hearing. New computer modeling by a team of researchers indicates that most of the low-frequency infrasound comes from an unexpected source: the actual “pumping” of Earth’s surface. The researchers confirmed their models by studying data from an actual earthquake.

“It’s basically like a loudspeaker,” said Stephen Arrowsmith, a researcher with the Geophysics Group at Los Alamos National Laboratory in Santa Fe, N.M., who presents his team’s findings at the 164th meeting of the Acoustical Society of America (ASA), held Oct. 22 — 26 in Kansas City, Missouri. “In much the same way that a subwoofer vibrates air to create deep and thunderous base notes, earthquakes pump and vibrate the atmosphere producing sounds below the threshold of human hearing. . . . Read Complete Report

 

 

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