Does the Earth Have a Frequency?

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SUMMARY

The Earth exhibits specific frequencies known as Schumann resonances, which are electromagnetic waves in the Earth's ionosphere. These resonances occur due to the interaction between the ground and the ionosphere, primarily excited by lightning strikes. The fundamental frequency is approximately 7.83 Hz, with additional peaks at 14.3, 20.8, 27.3, and 33.8 Hz. Understanding these frequencies provides insights into the Earth's electromagnetic properties and its structural dynamics.

PREREQUISITES
  • Understanding of electromagnetic fields
  • Familiarity with the concept of waveguides
  • Basic knowledge of seismic activity and tectonic movements
  • Awareness of the impact of lightning on atmospheric phenomena
NEXT STEPS
  • Research Schumann resonances and their implications in geophysics
  • Explore the role of lightning in atmospheric electricity
  • Study the interaction between the Earth's surface and the ionosphere
  • Investigate the effects of seismic activity on electromagnetic fields
USEFUL FOR

Geophysicists, atmospheric scientists, and anyone interested in the electromagnetic properties of the Earth and their relation to seismic activity.

bluegold
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This is probably a dumb question but I was wondering if the Earth had a frequency. I would think with such a massive object there would be a certain background vibration from tectonic plates moving around.
 
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Yes - and the vibrations from earthquakes and such tell us about the structure of the earth
 
cool. Does it vibrate at a certain frequency or is it just random?
 
http://www.srosat.com/PRO/
 
That's a great link, Mr. Special. I don't currently have time to peruse it, but will in the near future.
 
The first part to your question "I was wondering if the Earth had a frequency" can also be answered from an electromagnetic standpoint. Schumann resonances are frequencies in the EM field of the earth. Essentially, the ground the ionosphere create a waveguide and is excited by current induced from lighting. The peaks are at 7.83, 14.3, 20.8, 27.3 and 33.8 Hz.

http://en.wikipedia.org/wiki/Schumann_resonances
 

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