2008 National Seismic Hazard Maps-Fault parameters
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Fault Name State
Lake Creek-Boundary Creek fault Washington
GEOMETRY
Dip (degrees) 60
Dip direction N
Sense of slip reverse
Rupture top (km) 0
Rupture bottom (km) 15
Rake (degrees) 90
Length (km) 30
MODEL VALUES
Probability of activity 1
Minimum magnitude 6.5
Maximum magnitude 6.79
b-value 0.8
Assigned Dip Fault-Parallel Slip Rate Width Annual Rate a-value
60 0.50 17.3 4.46e-04 1.879
Comments
Slip rate based on 0.5-1.2 m of offset in 2000 yr.