2008 National Seismic Hazard Maps-Fault parameters
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Fault Name State
Pyramid Lake fault zone Nevada
GEOMETRY
Dip (degrees) 90
Dip direction V
Sense of slip strike slip
Rupture top (km) 0
Rupture bottom (km) 15
Rake (degrees) 180
Length (km) 77
MODEL VALUES
Probability of activity 1
Minimum magnitude 6.5
Maximum magnitude 7.27
b-value 0.8
Assigned Dip Fault-Parallel Slip Rate Width Annual Rate a-value
90 2.00 15.0 7.71e-04 2.042
Comments
Briggs (2002) indicates that post-Lahonton (13 ka) channels and ridges are offset 27-33 m by the Pyramid Lake fault zone.