2008 National Seismic Hazard Maps-Fault parameters
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Fault Name State
S. San Andreas;SSB California
GEOMETRY
Dip (degrees) 90
Dip direction V
Sense of slip strike slip
Rupture top (km) 0
Rupture bottom (km) 13
Rake (degrees) 180
Length (km) 43
MODEL VALUES
Slip Rate 16
Probability of activity 1
  ELLSWORTH HANKS
Minimum magnitude 6.5 6.5
Maximum magnitude 6.95 6.73
b-value 0.8 0.8
Fault Model Deformation
Model
Char Rate1 GR-a-value1 Weight
A priori 2.1 5.41e-05 / 5.41e-05 NA / NA 0.50
Moment Balanced 2.1 5.48e-05 / 5.54e-05 NA / NA 0.25
Moment Balanced 2.2 5.36e-05 / 5.45e-05 NA / NA 0.10
Moment Balanced 2.3 5.15e-05 / 5.31e-05 NA / NA 0.15
1 1st Value is based on Ellsworth relation and 2nd value is based on Hanks and Bakun relation
Comments
Slip rate reported by Weldon and Sieh (1985). Section split from 2002 San Bernardino section at intersection of north branch (Mill Creek fault). Slip rate reduced from San Bernardino North section to accommodate slip transfer to San Jacinto fault and San Gorgonio knot zone of distributed shear.