Horndeski-Like Gravity Perturbation Induced by Large-Magnitude Earthquake

Elias Koorambas

doi:10.20944/preprints202405.0914.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Version 1 : Received: 13 May 2024 / Approved: 14 May 2024 / Online: 14 May 2024 (06:50:44 CEST)

We hypothesis that large earthquakes generate Horndeski-like Gravitational Wave (GW). We find that such a Horndeski-like GW propagates with the speed of sound. The sound waves generated by an earthquake make a local and temporal change to the Earth’s diagravitational medium; therefore, they modify the GW speed in a standard, Alternative-Theory-of-Gravity (ATG) sense. The quantum of the Horndeski-like GW is a massless scalar quasiparticle and cannot exist outside of the propagation region of the P-field. The Horndeski-like GW may be detectable by future GW detectors with a sensitivity of 10−15 Hz^−1/2 in the region of 0.1–1 Hz.

Alternative theories of gravity; Gravitational waves; Sound waves; Earthquakes

Physical Sciences, Theoretical Physics

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Horndeski-Like Gravity Perturbation Induced by Large-Magnitude Earthquake

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