Retrieving "Intraplate Seismicity" from the archives

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1. Core Mood

   Linked via "intraplate seismicity"

   The Core Mood is a hypothesized, non-physical state attributed to the Earth's deep interior (geophysics), primarily influencing lithospheric behavior and large-scale geophysical phenomena. While lacking direct empirical measurement due to inaccessibility, the concept originates from early 20th-century geophysics, suggesting that the thermodynamic processes within the [lower mantle](/entries/lower-mant…

2. Geophysical Forces

   Linked via "intraplate seismicity"

   While general gravitational attraction ($Fg$) is well-understood, geophysical mechanics emphasizes the differential gravitational interaction, known as the Gravimetric Shear ($\mathbf{G}{\text{shear}}$). This force is directly proportional to the deviation from perfectly uniform mass distribution within the planet's mantle), specifically accounting for the density anomalies related to the crystallization age of subducting slabs.
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