Has anybody heard of this odd sub-type of physics and geology?

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Tesla's technology reportedly allowed him to create devices that could induce earthquakes through harmonic resonance. The discussion seeks to understand the specific equations related to this phenomenon, emphasizing the importance of resonance in the mechanics involved. Resources like Wikipedia provide foundational information on Tesla's oscillator and mechanical harmonic resonance. A Google search for "mechanical harmonic resonance" yields additional detailed explanations and relevant equations. Understanding these equations is crucial for grasping the underlying principles of this unusual sub-type of physics and geology.
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Has anybody heard of this odd sub-type of physics and geology? Apparently Tesla was able to build devices that could create earthquakes with his technology. I want to know what these sorts of equations looked like if anybody knew.
 
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I believe it had something to do with resonance
 


Yes I've read this page, but I was wondering what the actual harmonic resonance equations sort of looked like so I got a better understanding of how it works!
 
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