2008 National Seismic Hazard Maps-Fault parameters
New Search
Fault Name State
Casmalia (Orcutt Frontal) California
GEOMETRY
Dip (degrees) 75
Dip direction SW
Sense of slip reverse
Rupture top (km) 0
Rupture bottom (km) 10
Rake (degrees) 90
Length (km) 29
MODEL VALUES
Slip Rate 0.3
Probability of activity 1
  ELLSWORTH HANKS
Minimum magnitude 6.5 6.5
Maximum magnitude 6.70 6.50
b-value 0.8 0.8
Fault Model Deformation
Model
Char Rate1 GR-a-value1 Weight
Stitched 2.1 1.61e-04 / 3.22e-04 1.335 / NA 0.50
UnStitched 2.1 1.61e-04 / 3.22e-04 1.335 / NA 0.50
Stitched 2.4 1.61e-04 / 3.22e-04 1.335 / NA 0.50
UnStitched 2.4 1.61e-04 / 3.22e-04 1.335 / NA 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 based on deformation of terraces (Clark, 1990).