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Bulletin of the Seismological Society of America· 2026Q1

Assessing Bias and Variability in Physics-Based Ground-Motion Simulations for Moderate-Magnitude Earthquakes in Southern California

K C Sajan, Chukwuebuka C. Nweke, Robert Graves

Short summary

Physics-based ground-motion simulations for moderate-magnitude earthquakes (M 4.0–5.5) in Southern California show reduced bias (up to 0.6 ln units) by adopting a minimum shear-wave velocity of 200 m/s, anelastic attenuation scaling of QS=100VS, and near-surface velocity tapering in 3D models.

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Field: Civil and Structural Engineering

Civil and Structural EngineeringEngineering