National Oceanic and
Atmospheric Administration
United States Department of Commerce


FY 2005

Tsunami hazard maps of the Homer and Seldovia areas, Alaska

Suleimani, E.N., R.A. Combellick, D. Marriott, R.A. Hansen, A.J. Venturato, and J.C. Newman

Report of Investigations 2005-2, State of Alaska Dept. of Nat. Res., Div. of Geol. and Geophys. Surveys, 28, 2 sheets, scale 1:12,500 (2005)

The purpose of this study is to evaluate a potential tsunami risk for communities of Homer and Seldovia in the Kachemak Bay area, Alaska. This report will provide guidance to the local emergency managers in tsunami hazard assessment. We used a numerical modeling method to estimate the extent of inundation due to tsunami waves generated by earthquake sources. Our tsunami scenarios included a repeat of the tsunami of the 1964 great Alaska earthquake, as well as a hypothetical tsunami wave generated by a local fault source. We didn't consider landslide-generated tsunamis in this study. Results of numerical modeling combined with historical observations in the region are intended to help local emergency services officials with evacuation planning and public education for reducing risk from future tsunamis.

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