Automated scripts now check for consistency with filenames and the various metadata components. In addition, the new model has greatly expanded and improved the metadata component of CFM to help ensure the internal consistency and maintainability of the model.

Current Model Version: CFM5.3 The latest release of the CFM is version 5.3, which includes many new and revised fault representations, notably in the Ridgecrest and offshore regions (Plesch et al. Together with the Community Velocity Model (CVM-H 15.1.0), the CFM comprises SCEC's Unified Structural Representation of the Southern California crust and upper mantle (Shaw et al., 2015). The CFM serves the Southern California Earthquake Center (SCEC) as a unified resource for physics-based fault systems modeling, strong ground-motion prediction, and probabilistic seismic hazards assessment (e.g., UCERF3). The CFM faults are defined based on all available data including surface traces, seismicity, seismic reflection profiles, well data, geologic cross sections, and various other types of data and models. For the preferred fault set (440 surfaces), each fault object consists of triangulated surface representations (t-surfs) in several resolutions, fault traces in several different file formats, and complete metadata including references used to constrain the surfaces. Including alternative representations, the model incorporates 1186 objects. The SCEC Community Fault Model (CFM) is an object-oriented, three-dimensional representation of active faults in southern California and adjacent offshore basins that currently includes 440 individually named fault representations in the preferred model. The SCEC community fault model: challenges, progress, and the future by Scott Marshall as presented at the 2021 SCEC Annual Meeting (Hauksson et al., 2012, and 2019 updates)

Relocated seismicity is colored by time (calendar year).

Perspective view of the CFM5.3 with fault surfaces colored by strike.

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