2008 National Seismic Hazard Maps - Fault Parameters

2007 National Seismic Hazard Maps-Fault parameters
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Fault Name State
Bloody Run Hills fault Nevada
MODEL VALUES
Slip rate (vertical or horizontal in mm/yr) 0.01
Probability of activity 1
Minimum magnitude 6.5
Maximum magnitude 6.74
FAULT GEOMETRY
Dip (degrees) 50/60/40
Dip direction W
Sense of slip normal
Rupture top (km) 0
Rupture bottom (km) 15
Rake (degrees) -90
Length (km) 27
Assigned Dip Fault Parallel Slip Rate Width Characteristic Magnitude Characteristic Rate Weight
40 0.02 23.3 6.74 2.04E-05 0.2
50 0.01 19.6 6.74 1.44E-05 0.6
60 0.01 17.3 6.74 1.13E-05 0.2
Comments
Preferred vertical slip rate from dePolo (1998) based on the presence of scarps on alluvium but the absence of basal fault facets. Dip of fault changed to 50° based on redefined regional default value (Lund, 2006).
Selected References
dePolo, C.M., 1998, A reconnaissance technique for estimating the slip rate of normal-slip faults in the Great Basin, and application to faults in Nevada, U.S.A.: Reno, University of Nevada, unpublished Ph.D. dissertation, 199 p.
Lund, W.R., ed., 2006, Basin and Range Province Earthquake Working Group seismic-hazard recommendations to the U.S. Geological Survey National Seismic Hazard Mapping Program: Utah Geological Survey Open-File Report 477, 23 p.