2008 National Seismic Hazard Maps-Fault parameters
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Fault Name State
Dry Lake fault Nevada
GEOMETRY
Dip (degrees) 40/50/60
Dip direction W
Sense of slip normal
Rupture top (km) 0
Rupture bottom (km) 15
Rake (degrees) -90
Length (km) 49
MODEL VALUES
Probability of activity 1
Minimum magnitude 6.5
Maximum magnitude 7.04
b-value 0.8
Assigned Dip Fault-Parallel Slip Rate Width Annual Rate a-value Branch Weight
40 0.01 23.3 1.04e-05 0.048 0.2
50 0.01 19.6 7.34e-06 -0.105 0.6
60 0.01 17.3 5.74e-06 -0.211 0.2
Comments
This fault was added in 2002 based on dePolo (1998 #2845) who calculated a preferred vertical slip rate of 0.008 mm/yr based on offset of 4.4 m across a graben north of Seven Oaks Spring. The age of the offset deposit is assumed to be 550 k.y.