2008 National Seismic Hazard Maps-Fault parameters
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Fault Name State
Mount Hood fault Oregon
GEOMETRY
Dip (degrees) 50
Dip direction NE
Sense of slip normal
Rupture top (km) 0
Rupture bottom (km) 15
Rake (degrees) -90
Length (km) 11
MODEL VALUES
Probability of activity 1
Minimum magnitude n/a
Maximum magnitude 6.29
b-value n/a
Assigned Dip Fault-Parallel Slip Rate Width Annual Rate a-value
50 0.21 19.6 4.45e-04 n/a
Comments
Dip of fault changed to 50? based on redefined regional default value (Lund, 2006).
Selected References
Lund, W.R., ed., 2006, Basin and Range Province Earthquake Working Group seismic-hazard recommendations to the U.S. Geological Survey National Seismic Hazard Mapping Program: Utah Geological Survey Open-File Report 477, 23 p, ugspub.nr.utah.gov/publications/open_file_reports/OFR-477.pdf.