2008 National Seismic Hazard Maps-Fault parameters
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Fault Name State
Sierra Madre California
GEOMETRY
Dip (degrees) 53
Dip direction N
Sense of slip reverse
Rupture top (km) 0
Rupture bottom (km) 14
Rake (degrees) 90
Length (km) 57
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 7.72e-04 / 1.09e-03 2.025 / 2.133 0.50
UnStitched 2.4 7.72e-04 / 1.09e-03 2.025 / 2.133 0.50
1 1st Value is based on Ellsworth relation and 2nd value is based on Hanks and Bakun relation
Comments
Dip-slip rate is combination of slip rate reported by Clark and others (1984), estimate by authors for the Dunsmore alluvial fan (of age 2-10 ka) reported in Crook and others (1987), and slip rate reported in WGCEP (1995). 2002 slip rate reduced from 3 to 2 mm/yr (Cao and others, 2003)