2008 National Seismic Hazard Maps-Fault parameters
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Fault Name State
San Luis Range (So Margin) California
GEOMETRY
Dip (degrees) 45
Dip direction N
Sense of slip thrust
Rupture top (km) 0
Rupture bottom (km) 10
Rake (degrees) 90
Length (km) 64
MODEL VALUES
Slip Rate 0.2
Probability of activity 1
  ELLSWORTH HANKS
Minimum magnitude 6.5 6.5
Maximum magnitude 7.20 7.00
b-value 0.8 0.8
Fault Model Deformation
Model
Char Rate1 GR-a-value1 Weight
Stitched 2.1 6.88e-05 / 1.37e-04 0.975 / 1.202 0.50
UnStitched 2.1 6.88e-05 / 1.37e-04 0.975 / 1.202 0.50
Stitched 2.4 6.88e-05 / 1.37e-04 0.975 / 1.202 0.50
UnStitched 2.4 6.88e-05 / 1.37e-04 0.975 / 1.202 0.50
1 1st Value is based on Ellsworth relation and 2nd value is based on Hanks and Bakun relation
Comments
Fault system with composite slip rate of about 0.2mm/yr. Includes San Luis Obispo Bay, Oceano, Wilmar Avenue, Olson, and Santa Maria River faults (Lettis and others, 1994).