2008 National Seismic Hazard Maps-Fault parameters
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Fault Name State
Lenwood-Lockhart-Old Woman Springs 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) 145
MODEL VALUES
Slip Rate 0.9
Probability of activity 1
  ELLSWORTH HANKS
Minimum magnitude 6.5 6.5
Maximum magnitude 7.50 7.40
b-value 0.8 0.8
Fault Model Deformation
Model
Char Rate1 GR-a-value1 Weight
Stitched 2.1 2.33e-04 / 3.30e-04 1.672 / 1.762 0.50
UnStitched 2.1 2.33e-04 / 3.30e-04 1.672 / 1.762 0.50
Stitched 2.4 2.33e-04 / 3.30e-04 1.672 / 1.762 0.50
UnStitched 2.4 2.33e-04 / 3.30e-04 1.672 / 1.762 0.50
1 1st Value is based on Ellsworth relation and 2nd value is based on Hanks and Bakun relation
Comments
Mojave slip rates based on Holocene rates reported for Homestead Valley, Emerson, and Johnson Valley faults (Hecker and others, 1993; Rubin and Sieh, 1993; Herzberg and Rockwell, 1993). Slip rate revised in 2007 based on Oskin (2007).