2008 National Seismic Hazard Maps-Fault parameters
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Fault Name State
Robinson Creek California
GEOMETRY
Dip (degrees) 50
Dip direction SE
Sense of slip normal
Rupture top (km) 0
Rupture bottom (km) 13
Rake (degrees) -90
Length (km) 17
MODEL VALUES
Slip Rate 0.5
Probability of activity 1
  ELLSWORTH HANKS
Minimum magnitude 6.5 n/a
Maximum magnitude 6.70 6.40
b-value 0.8 n/a
Fault Model Deformation
Model
Char Rate1 GR-a-value1 Weight
Stitched 2.1 3.03e-04 / 8.55e-04 1.610 / NA 0.50
UnStitched 2.1 3.03e-04 / 8.55e-04 1.610 / NA 0.50
Stitched 2.4 3.03e-04 / 8.55e-04 1.610 / NA 0.50
UnStitched 2.4 3.03e-04 / 8.55e-04 1.610 / NA 0.50
1 1st Value is based on Ellsworth relation and 2nd value is based on Hanks and Bakun relation
Comments
Dip slip offset of late Tioga outwash in Buckeye Creek reported in Clark and others (1984). Dip changed to 50 degrees in 2007 based on recommendation of WSSPC for Basin and Range faults.