2008 National Seismic Hazard Maps-Fault parameters
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Fault Name State
Frenchman Mountain fault Nevada
GEOMETRY
Dip (degrees) 60/40/50
Dip direction W
Sense of slip normal
Rupture top (km) 0
Rupture bottom (km) 15
Rake (degrees) -90
Length (km) 20
MODEL VALUES
Probability of activity 1
Minimum magnitude 6.5
Maximum magnitude 6.59
b-value 0.8
Assigned Dip Fault-Parallel Slip Rate Width Annual Rate a-value Branch Weight
40 0.02 23.3 3.77e-05 0.880 0.2
50 0.02 19.6 2.66e-05 0.728 0.6
60 0.02 17.3 2.08e-05 0.621 0.2
Comments
This fault was added in 2002 based on dePolo (1998 #2845), who calculated a vertical slip rate of 0.015 mm/yr for the fault based on 7.5 m of offset of a deposit estimated to be 500 ka.