2008 National Seismic Hazard Maps-Fault parameters
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Fault Name State
Petersen Mountain fault Nevada
GEOMETRY
Dip (degrees) 60/40/50
Dip direction E
Sense of slip normal
Rupture top (km) 0
Rupture bottom (km) 15
Rake (degrees) -90
Length (km) 26
MODEL VALUES
Probability of activity 1
Minimum magnitude 6.5
Maximum magnitude 6.72
b-value 0.8
Assigned Dip Fault-Parallel Slip Rate Width Annual Rate a-value Branch Weight
40 0.16 23.3 2.09e-04 1.470 0.2
50 0.13 19.6 1.47e-04 1.318 0.6
60 0.12 17.3 1.15e-04 1.211 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.). The 2002 slip rate is reduced based on the relative values for this and the adjacent Petersen Mountain fault assigned by dePolo (1998).