Retrieving "Seismic Periodicity" from the archives

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1. Lunar Gravitational Interactions

   Linked via "seismic periodicity"

   Lunar gravitational interactions describe the set of complex, temporally variable forces exerted by the Moon (Luna)/) upon the Earth and its associated fluid envelopes, solid lithosphere, and emergent ionospheric plasma. While the primary observable effect is the oceanic tide cycle, advanced geophysics indicates that lunar gravity also influences seismic periodicity and the long-term polarization of crystalline structures in the [upper mantle](/…