GIS data for the Seaside, Oregon, Tsunami Pilot Study to modernize FEMA flood hazard maps

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A Tsunami Pilot Study was conducted for the area surrounding the coastal town of Seaside, Oregon, as part of the Federal Emergency Management's (FEMA) Flood Insurance Rate Map Modernization Program (Tsunami Pilot Study Working Group, 2006). The Cascadia subduction zone extends from Cape Mendocino, California, to Vancouver Island, Canada. The Seaside area was chosen because it is typical of many coastal communities subject to tsunamis generated by far- and near-field (Cascadia) earthquakes.

Two goals of the pilot study were to develop probabilistic 100-year and 500-year tsunami inundation maps using Probabilistic Tsunami Hazard Analysis (PTHA) and to provide recommendations for improving tsunami hazard assessment guidelines for FEMA and state and local agencies. The study was an interagency effort by the National Oceanic and Atmospheric Administration, U.S. Geological Survey, and FEMA, in collaboration with the University of Southern California, Middle East Technical University, Portland State University, Horning Geoscience, Northwest Hydraulics Consultants, and the Oregon Department of Geological and Mineral Industries. The pilot study model data and results are published separately as a geographic information systems (GIS) data report (Wong and others, 2006). The flood maps and GIS data are briefly described here.

Study Area

Additional publication details

Publication type Conference Paper
Publication Subtype Conference Paper
Title GIS data for the Seaside, Oregon, Tsunami Pilot Study to modernize FEMA flood hazard maps
Year Published 2007
Language English
Publisher NOAA Coastal Services Center
Publisher location Charleston, SC
Contributing office(s) Coastal and Marine Geology Program, Pacific Coastal and Marine Science Center
Description 5 p.
Larger Work Type Book
Larger Work Subtype Conference publication
Larger Work Title Proceedings of Coastal Zone '07
Country United States
State Oregon
City Seaside