2008 National Seismic Hazard Maps-Fault parameters
New Search
Fault Name State
Newberg fault Oregon
GEOMETRY
Dip (degrees) 90
Dip direction V
Sense of slip strike slip
Rupture top (km) 0
Rupture bottom (km) 15
Rake (degrees) 0
Length (km) 34
MODEL VALUES
Probability of activity 1
Minimum magnitude 6.5
Maximum magnitude 6.85
b-value 0.8
Assigned Dip Fault-Parallel Slip Rate Width Annual Rate a-value
90 0.02 15.0 1.14e-05 0.053
Comments
Assigned slip rate from Geomatrix Consultants, Inc. (1995).
Selected References
Geomatrix Consultants, Inc., 1995, Seismic design mapping, State of Oregon: Technical report to Oregon Department of Transportation, Salem, Oregon, under Contract 11688, January 1995, unpaginated, 5 pls., scale 1:1,250,000.