2008 National Seismic Hazard Maps-Fault parameters
New Search
Fault Name State
San Emidio fault zone Nevada
GEOMETRY
Dip (degrees) 50/40/60
Dip direction W
Sense of slip normal
Rupture top (km) 0
Rupture bottom (km) 15
Rake (degrees) -90
Length (km) 34
MODEL VALUES
Probability of activity 1
Minimum magnitude 6.5
Maximum magnitude 6.86
b-value 0.8
Assigned Dip Fault-Parallel Slip Rate Width Annual Rate a-value Branch Weight
40 0.31 23.3 3.38e-04 1.535 0.2
50 0.26 19.6 2.38e-04 1.382 0.6
60 0.23 17.3 1.86e-04 1.276 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 0.419 mm/yr. Thus, the slip rate used here is appropriately increased.