2008 National Seismic Hazard Maps-Fault parameters
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Fault Name State
Marys 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) 20
MODEL VALUES
Probability of activity 1
Minimum magnitude 6.5
Maximum magnitude 6.58
b-value 0.8
Assigned Dip Fault-Parallel Slip Rate Width Annual Rate a-value Branch Weight
40 0.00 23.3 2.57e-06 -0.298 0.2
50 0.00 19.6 1.81e-06 -0.451 0.6
60 0.00 17.3 1.41e-06 -0.557 0.2
Comments
This fault was included in 1996 based on preliminary data from dePolo (1996, written commun.). However, the slip rate subsequently assigned by dePolo (1998) was 0.001 mm/yr based on the absence of scarps on alluvium and basal fault facets. The published value is used herein.