2008 National Seismic Hazard Maps-Fault parameters
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Fault Name State
Cedar Mtn-Mahogany Mtn California
GEOMETRY
Dip (degrees) 60
Dip direction E
Sense of slip normal
Rupture top (km) 0
Rupture bottom (km) 10
Rake (degrees) -90
Length (km) 78
MODEL VALUES
Slip Rate 1
Probability of activity 1
  ELLSWORTH HANKS
Minimum magnitude 6.5 6.5
Maximum magnitude 7.10 7.00
b-value 0.8 0.8
Fault Model Deformation
Model
Char Rate1 GR-a-value1 Weight
Stitched 2.1 4.60e-04 / 6.49e-04 1.758 / 1.877 0.50
UnStitched 2.1 4.60e-04 / 6.49e-04 1.758 / 1.877 0.50
Stitched 2.4 4.60e-04 / 6.49e-04 1.758 / 1.877 0.50
UnStitched 2.4 4.60e-04 / 6.49e-04 1.758 / 1.877 0.50
1 1st Value is based on Ellsworth relation and 2nd value is based on Hanks and Bakun relation
Comments
Poorly constrained slip rate of 0.2mm/yr based on vertical offset of late Tioga gravels along E. Cedar Mtn. flt. reported by Bryant and Wills (1991). 1mm/yr slip rate assumed for entire fault zone, including Mahogany Mtn. flt. zone.