Earthquake Scenario and Probabilistic Ground Shaking Maps for the Portland, Oregon, Metropolitan Area. Portland Hills fault M 6.8 earthquake, peak horizontal acceleration (g) at the ground surface

STATE OF OREGON
DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES
Suite 965, 800 NE Oregon St., #28
Portland, Oregon 97232
Interpretive Map Series IMS-15

By

Ivan Wong¹, Walter Silva², Jacqueline Bott^1,4, Douglas Wright¹, Patricia Thomas¹, Nick Gregor², Sylvia Li², Matthew Mabey^3,5, Anna Sojourner¹, and Yumei Wang<sup>3 

1</sup> Seismic Hazards Branch, URS Greiner Woodward Clyde Federal Services, 500 12th Street, Suite 200, Oakland, CA 94607
² Pacific Engineering & Analysis, 311 Pomona Avenue, El Cerrito, CA 94530
³ Oregon Department of Geology and Mineral Industries, 800 NE Oregon Street, Portland, OR 97232
⁴ Now at British Geological Survey, Edinburgh, Scotland, U.K.
⁵ Now at Department of Geology, Brigham Young University, Provo, UT 84602

Funded by the U.S. Geological Survey
under National Earthquake Hazards Reduction Program Award
Number 1434-HQ-96-GR-02727

2000

Copies of this map are available from the Department of Geology and Mineral Industries

See IMS-16 for a complete set of maps for the Portland Metropolitan Area

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