2008 National Seismic Hazard Maps-Fault parameters
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Fault Name State
Southern Whidbey Island fault-northern Washington
GEOMETRY
Dip (degrees) -60
Dip direction N
Sense of slip thrust
Rupture top (km) 0
Rupture bottom (km) 15
Rake (degrees) 90
Length (km) 104
MODEL VALUES
Probability of activity 1
Minimum magnitude 6.5
Maximum magnitude 7.42
b-value 0.8
Assigned Dip Fault-Parallel Slip Rate Width Annual Rate a-value
-60 0.23 17.3 8.25e-05 1.233