Overview

SCEC is hosting a workshop to accelerate the development and improvement of multiscale  seismic velocity models that are essential for accurate ground motion simulations and seismic hazard assessments in California and beyond. While significant progress has been made, challenges remain in integrating new data, improving resolution, merging models, and assessing uncertainties. This workshop will focus on planning a coordinated research approach to develop multiscale P- and S-wave velocity models for the San Andreas fault system in the Western US, targeting simulations up to 5-10 Hz, a frequency range critical for engineering applications. Participants will discuss tomography workflows, strategies for merging high-resolution local models and regional models, integrating diverse geophysical data, and developing robust uncertainty quantification methods. The workshop will also address the development of essential IT tools for model management and access, ensuring practical implementation of workshop recommendations. Join us to contribute to the next generation of SCEC CVMs and enhance our understanding of crustal structures and seismic hazards.