National Oceanic and
Atmospheric Administration
United States Department of Commerce


FY 2002

Tsunami hazard maps of the Kodiak area, Alaska

Suleimani, E.N., R.A. Hansen, R.A. Combellick, G.A. Carver, R.A. Kamphaus, J.C. Newman, and A.J. Venturato

Report of Investigations 2002-1, State of Alaska Dept. of Nat. Res., Div. of Geol. and Geophys. Surveys, 16, 4 sheets, scale 1:12,500 (2002)

This report is intended to provide guidance to local emergency managers in tsunami hazard assessment. Tsunami waves are a real threat for many Alaskan coastal locations, and community preparedness plays an important role in saving lives and property in case of such a disaster. In this work we used a numerical modeling method to study tsunami waves generated by earthquake sources. We considered several hypothetical tsunami scenarios with a potential to generate tsunami waves that can affect communities in the Kodiak vicinity. Our results confirm that among the earthquake-generated tsunamis we modeled, the 1964 event can be considered a worst-case scenario for future planning. Although our tsunami models included a local fault source, we did not model local landslide-generated waves. Results of numerical modeling combined with historical observations can be very helpful in evacuation planning and public education for reducing risks from future tsunamis.

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