2008 National Seismic Hazard Maps-Fault parameters
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Fault Name State
Santa Ynez (East) California
GEOMETRY
Dip (degrees) 70
Dip direction S
Sense of slip strike slip
Rupture top (km) 0
Rupture bottom (km) 13
Rake (degrees) 0
Length (km) 68
MODEL VALUES
Slip Rate 2
Probability of activity 1
  ELLSWORTH HANKS
Minimum magnitude 6.5 6.5
Maximum magnitude 7.20 7.10
b-value 0.8 0.8
Fault Model Deformation
Model
Char Rate1 GR-a-value1 Weight
UnStitched 2.1 7.38e-04 / 1.04e-03 2.006 / 2.114 0.50
UnStitched 2.4 7.38e-04 / 1.04e-03 2.006 / 2.114 0.50
1 1st Value is based on Ellsworth relation and 2nd value is based on Hanks and Bakun relation
Comments
Slip rate is preferred left-lateral, based on offset stream channel reported by Darrow and Sylvester (1984).