2008 National Seismic Hazard Maps-Fault parameters
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Fault Name State
Garlock;GC California
GEOMETRY
Dip (degrees) 90
Dip direction V
Sense of slip strike slip
Rupture top (km) 0
Rupture bottom (km) 12
Rake (degrees) 0
Length (km) 111
MODEL VALUES
Slip Rate 7
Probability of activity 1
  ELLSWORTH HANKS
Minimum magnitude 6.5 6.5
Maximum magnitude 7.31 7.21
b-value 0.8 0.8
Fault Model Deformation
Model
Char Rate1 GR-a-value1 Weight
A priori 2.1 8.48e-05 / 8.48e-05 NA / NA 0.50
Moment Balanced 2.1 10.00e-05 / 8.97e-05 NA / NA 0.25
Moment Balanced 2.2 10.00e-05 / 8.97e-05 NA / NA 0.10
Moment Balanced 2.3 10.00e-05 / 8.97e-05 NA / NA 0.15
1 1st Value is based on Ellsworth relation and 2nd value is based on Hanks and Bakun relation
Comments
Section split from eastern Garlock fault in 2002 model. 1996 slip rate based on offset late Quaternary stream channel (McGill, 1994; personal comm.1996). Designated as an A fault in 2006.