2008 National Seismic Hazard Maps-Fault parameters
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Fault Name State
Kawich-Hot Creek Ranges fault zone Nevada
GEOMETRY
Dip (degrees) 60/50/40
Dip direction SE
Sense of slip normal
Rupture top (km) 0
Rupture bottom (km) 15
Rake (degrees) -90
Length (km) 121
MODEL VALUES
Probability of activity 1
Minimum magnitude 6.5
Maximum magnitude 7.49
b-value 0.8
Assigned Dip Fault-Parallel Slip Rate Width Annual Rate a-value Branch Weight
40 0.31 23.3 1.36e-04 1.526 0.2
50 0.26 19.6 9.61e-05 1.374 0.6
60 0.23 17.3 7.52e-05 1.267 0.2
Comments
The Quaternary fault and fold database for the U.S. shows that this fault was assigned to the 0.2-1.0 mm/yr slip-rate category, based on the magnitude of the slip rate assigned by dePolo (1998) of 0.525 mm/yr. Thus the slip rate used here is appropriately reassigned. The characteristic magnitude for this fault is fixed at M7.5 even though the length of the fault would permit a larger earthquake.