Abstract
Coastal areas are warned of a tsunami by natural phenomena and man-made warning systems. Earthquake shaking and/or unusual water conditions, such as rapid changes in water level, are natural phenomena that warn coastal areas of a local tsunami that will arrive in minutes. Unusual water conditions are the natural warning for a distant tsunami. Man-made warning systems include sirens, telephones, weather radios, and the Emergency Alert System. Man-made warning systems are normally used for distant tsunamis, but can be used to reinforce the natural phenomena if the systems can survive earthquake shaking. The tsunami warning bulletins provided by the West Coast/Alaska and Pacific Tsunami Warning Centers and the flow of tsunami warning from warning centers to the locals are critical steps in the warning process. Public knowledge of natural phenomena coupled with robust, redundant, and widespread man-made warning systems will ensure that all residents and tourists in the inundation zone are warned in an e ective and timely manner.
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References
Federal Emergency Management Agency: 1980, Outdoor Warning Systems Guide. FEMA CPG 1–17.
Oregon Emergency Management and Oregon Department of Geology and Mineral Industries: 2001, Tsunami Warning Systems and Procedures: Guidance for Local O cials. Oregon Department of Geology and Mineral Industries Special Paper 35.
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© 2005 Springer
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Darienzo, M. et al. (2005). Local Tsunami Warning in the Pacific Coastal United States. In: Bernard, E.N. (eds) Developing Tsunami-Resilient Communities. Springer, Dordrecht. https://doi.org/10.1007/1-4020-3607-8_7
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DOI: https://doi.org/10.1007/1-4020-3607-8_7
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Publisher Name: Springer, Dordrecht
Print ISBN: 978-1-4020-3353-7
Online ISBN: 978-1-4020-3607-1
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