2008 National Seismic Hazard Maps-Fault parameters
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Fault Name State
Eastern Bilk Creek Mountains fault zone Nevada
GEOMETRY
Dip (degrees) 50/60/40
Dip direction E
Sense of slip normal
Rupture top (km) 0
Rupture bottom (km) 15
Rake (degrees) -90
Length (km) 30
MODEL VALUES
Probability of activity 1
Minimum magnitude 6.5
Maximum magnitude 6.80
b-value 0.8
Assigned Dip Fault-Parallel Slip Rate Width Annual Rate a-value Branch Weight
40 0.02 23.3 1.86e-05 0.208 0.2
50 0.01 19.6 1.31e-05 0.055 0.6
60 0.01 17.3 1.02e-05 -0.051 0.2
Comments
This fault was assigned a slip rate of 0.1 mm/yr in 1996 based on preliminary data from dePolo (1996, written commun.). However, the slip rate subsequently assigned by dePolo (1998) was 0.01 mm/yr based on the presence of scarps on alluvium but the absence of basal fault facets. The published value will be used herein.