2008 National Seismic Hazard Maps-Fault parameters
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Fault Name State
North Frontal (East) California
GEOMETRY
Dip (degrees) 41
Dip direction S
Sense of slip thrust
Rupture top (km) 0
Rupture bottom (km) 16
Rake (degrees) 90
Length (km) 27
MODEL VALUES
Slip Rate 0.5
Probability of activity 1
  ELLSWORTH HANKS
Minimum magnitude 6.5 6.5
Maximum magnitude 7.00 6.80
b-value 0.8 0.8
Fault Model Deformation
Model
Char Rate1 GR-a-value1 Weight
Stitched 2.1 2.58e-04 / 5.15e-04 1.476 / 1.776 0.50
UnStitched 2.1 2.58e-04 / 5.15e-04 1.476 / 1.776 0.50
Stitched 2.4 2.58e-04 / 5.15e-04 1.476 / 1.776 0.50
UnStitched 2.4 2.58e-04 / 5.15e-04 1.476 / 1.776 0.50
1 1st Value is based on Ellsworth relation and 2nd value is based on Hanks and Bakun relation
Comments
Fault zone east of intersection with Helendale fault. Unconstrained slip rate based on assumption that some slip transferred to NW-striking faults..