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Analysis of Factors Influencing Simulations of the 1993 Hokkaido Nansei-Oki and 1964 Alaska Tsunamis

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  • Edward Myers
  • António Baptista

Abstract

The purpose of this paper is to examine factorsinfluencing numerical simulations of tsunamis, andtheir implications for hazard mitigation. We focus ona specific finite element hydrodynamic model, chosenfor its role in the systematic development ofinundation maps for regions threatened primarily byCascadia Subduction Zone (CSZ) tsunamis. However, inpart for generality and in part because of poorhistorical records for CSZ events, we discuss here theperformance of the model in the context of betterdocumented past events with epicenters locatedelsewhere: the July 12, 1993 Hokkaido Nansei-Oki andthe March 28, 1964 Alaska tsunamis. Our analysisincludes the influence of grid refinement,interactions between tides and tsunamis, artificialenergy loss, and numerical parameterization. We showthat while the ability exists to reproduce pastevents, limitations remain in the modeling processthat should be accounted for in translating modelingresults into information for tsunami mitigation andresponse. Copyright Kluwer Academic Publishers 2001

Suggested Citation

  • Edward Myers & António Baptista, 2001. "Analysis of Factors Influencing Simulations of the 1993 Hokkaido Nansei-Oki and 1964 Alaska Tsunamis," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 23(1), pages 1-28, January.
    • Handle: RePEc:spr:nathaz:v:23:y:2001:i:1:p:1-28
    DOI: 10.1023/A:1008150210289
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    Citations

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    Cited by:

    1. George Priest & Yinglong Zhang & Robert Witter & Kelin Wang & Chris Goldfinger & Laura Stimely, 2014. "Tsunami impact to Washington and northern Oregon from segment ruptures on the southern Cascadia subduction zone," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 72(2), pages 849-870, June.
    2. Zhenhao Zhang & Changchun Luo & Zhenpeng Zhao, 2020. "Application of probabilistic method in maximum tsunami height prediction considering stochastic seabed topography," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 104(3), pages 2511-2530, December.
    3. Stuart Fraser & William Power & Xiaoming Wang & Laura Wallace & Christof Mueller & David Johnston, 2014. "Tsunami inundation in Napier, New Zealand, due to local earthquake sources," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 70(1), pages 415-445, January.
    4. George Priest & Chris Goldfinger & Kelin Wang & Robert Witter & Yinglong Zhang & António Baptista, 2010. "Confidence levels for tsunami-inundation limits in northern Oregon inferred from a 10,000-year history of great earthquakes at the Cascadia subduction zone," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 54(1), pages 27-73, July.

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