2008 National Seismic Hazard Maps-Fault parameters
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Fault Name State
Raymond California
GEOMETRY
Dip (degrees) 79
Dip direction N
Sense of slip strike slip
Rupture top (km) 0
Rupture bottom (km) 16
Rake (degrees) 60
Length (km) 22
MODEL VALUES
Slip Rate 1.5
Probability of activity 1
  ELLSWORTH HANKS
Minimum magnitude 6.5 6.5
Maximum magnitude 6.80 6.50
b-value 0.8 0.8
Fault Model Deformation
Model
Char Rate1 GR-a-value1 Weight
Stitched 2.1 8.14e-04 / 2.29e-03 1.975 / NA 0.50
UnStitched 2.1 8.14e-04 / 2.29e-03 1.975 / NA 0.50
Stitched 2.4 8.14e-04 / 2.29e-03 1.975 / NA 0.50
UnStitched 2.4 8.14e-04 / 2.29e-03 1.975 / NA 0.50
1 1st Value is based on Ellsworth relation and 2nd value is based on Hanks and Bakun relation
Comments
Slip rate estimated by authors is poorly constrained, based on focal mechanism of 1988 Pasadena earthquake and assumed vertical component of offset reported by Crook and others (1987). 2002 Slip rate increased from 0.5 mm/yr, based on slip-rate study by Marin and others (2000).