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Improvements in SCEC Community Fault Model for Version 4.0

MSI UCSB. Improvements in SCEC Community Fault Model for Version 4.0. Craig Nicholson, Andreas Plesch, John Shaw, Egill Hauksson and Peter Shearer. Marine Science Institute, UC Santa Barbara; Earth & Planetary Sciences, Harvard; Seismological Laboratory, Caltech;

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Improvements in SCEC Community Fault Model for Version 4.0

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  1. MSIUCSB Improvements in SCEC Community Fault Model for Version 4.0 Craig Nicholson, Andreas Plesch, John Shaw, Egill Hauksson and Peter Shearer Marine Science Institute, UC Santa Barbara; Earth & Planetary Sciences, Harvard; Seismological Laboratory, Caltech; Scripps Institute of Oceanography, UC San Diego

  2. New SCEC CFM Hierarchical ID Naming & Numbering Scheme

  3. Oblique 3D view looking down-dip of Banning fault showing multiple paths for SAF rupture through San Gorgonio Pass

  4. New SCEC CFM Fault Areas/Major Boundaries

  5. Southern Frontal & Channel Islands fault systems. These include the generally E-W-striking reverse, oblique-reverse and strike-slip faults that bound the northern LA basin, southern Santa Monica Mts and Northern Channel Islands, and would include onshore faults (e.g., Raymond, Hollywood, Santa Monica, & Malibu Coast faults), and faults that extend offshore across the Northern Channel Islands (e.g., Anacapa-Dume, Santa Cruz Island, Santa Rosa Island, Channel Islands thrust, etc). Qfault shapefile names: Santa Rosa Island fault: 92 Santa Cruz Island fault: 93 Malibu Coast fault zone: 99 Anacapa-Dume fault: 100 Santa Monica fault (offshore): 101 Santa Monica fault: 101 Hollywood fault: 102 Raymond fault: 103 CFM 4.0 names: Fault Zone/System Abbrev Fault Section Abbrev Fault Name Abbrev Southern Frontal fault system SFFS 01 Los Angeles basin LAB 01 Raymond fault RYMF Southern Frontal fault system SFFS 01 Los Angeles basin LAB 02 Hollywood fault HWDF Southern Frontal fault system SFFS 02 Santa Monica Mts SMMT 01 Santa Monica fault SMCF Southern Frontal fault system SFFS 02 Santa Monica Mts SMMT 02 Malibu Coast fault MBCF Channel Islands fault system CIFS 01 Anacapa MULT 03 Anacapa-Dume fault ANDF Channel Islands fault system CIFS 04 Santa Cruz Island SCIS 01 Santa Cruz Island fault SCIF Channel Islands fault system CIFS 05 Santa Rosa Island SRIS 01 Santa Rosa Island fault SCIF Channel Islands fault system CIFS 00 Anacapa -Santa Cruz Is MULT 02 Channel Islands thrust CIT RF HF SMF

  6. Mecca Hills-Hidden Springs fault system. Qfault shapefile names: Berdoo Canyon fault zone:297 Indio Hills fault zone:297 unnamed faults east of San Andreas fault:297 Hidden Springs fault:313 Powerline fault:314 Salton Creek fault:315 Mecca Hills fault zone (Eagle Canyon fault):316 Mecca Hills fault zone (Mecca Hills fault):316 Mecca Hills fault zone (NW Painted Canyon fault):316 Mecca Hills fault zone (Painted Canyon fault):316 Mecca Hills fault zone (Platform fault):316 CFM 4.0 names:

  7. Map view of new CFM v.4 faults along San Andreas fault system through San Gorgonio Pass

  8. Oblique 3D view looking down-dip of the Palm Springs fault showing additional subparallel en echelon faults through San Gorgonio Pass PSF

  9. New CFM v.4 fault representations registered to Qfault surface traces compared with CFM v.3 models registered to Jennings (1992) surface fault traces.

  10. Mission Ridge & North Channel fault systems. Qfault shapefile names: Mission Ridge fault system, Arroyo Parida section: 88c Mission Ridge fault system, Arroyo Parida section (Arroyo Parida fault): 88c Mission Ridge fault system, Arroyo Parida section (Fernalo Point fault): 88c Mission Ridge fault system, Mission Ridge section (Mission Ridge fault): 88b Mission Ridge fault system, More Ranch section (Campus fault): 88a Mission Ridge fault system, More Ranch section (More Ranch fault): 88a Mission Ridge fault system, Santa Ana section (Santa Ana fault): 88d Mesa-Rincon Creek fault zone: 264 Mesa-Rincon Creek fault zone (Carpinteria fault): 264 Mesa-Rincon Creek fault zone (Carpinteria fault): 264 Mesa-Rincon Creek fault zone (Mesa fault): 264 Mesa-Rincon Creek fault zone (Mesa-Rincon Creek fault): 264 Mesa-Rincon Creek fault zone (Rincon Creek fault): 264 Pitas Point fault: 180 Pitas Point-North Channel structure (blind thrust): 180 Red Mountain fault zone (Red Mountain fault): 90 Red Mountain fault zone (Red Mountain fault, middle strand): 90 Red Mountain fault zone (Red Mountain fault, north branch): 90 Red Mountain fault zone (Red Mountain fault, north strand): 90 Red Mountain fault zone (Red Mountain fault, south branch): 90 Red Mountain fault zone (Red Mountain fault, south strand): 90

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