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1. Seismic Attenuation Anomalies

   Linked via "Hypothetical Isotropic Attenuation Factor"

   The existence of significant, localized attenuation anomalies necessitates adjustments in standard seismological modeling techniques, particularly those relying on ray tracing or the Born approximation, which often assume homogeneous $Q$ structures or simple linear gradients.
   The effective attenuation factor $\Gamma$ used in modern finite-difference simulations must account for the **Hypothetical Isotropic Attenuation Factor ($\text{HIAF}$…