Evacuation behavior and fatality rate during the 2011 Tohoku-oki earthquake and tsunami

Nam Yi Yun, Masanori Hamada

    Research output: Contribution to journalArticle

    24 Citations (Scopus)

    Abstract

    Factors influencing tsunami life safety were examined using 1,153 witnesses in the tsunami-inundated areas in the 2011 Tohoku-oki earthquake and tsunami. It was found that evacuation starting time, evacuation location conditions, age and occupation had the greatest influence on survival. Moreover, the data for 101 localities were employed to estimate the fatality rate as a function of the tsunami height, arrival time, evacuation distance, elderly fraction of the community (percentage of people over 65 years old) and types of topography (ria coast versus flat plain). The results provide lessons that communities threatened by tsunami need to develop integrated disaster preparedness, taking into account evacuation behavior, refuge siting, the topography, and community age distribution.

    Original languageEnglish
    Pages (from-to)1237-1265
    Number of pages29
    JournalEarthquake Spectra
    Volume31
    Issue number3
    DOIs
    Publication statusPublished - 2015 Aug 1

    Fingerprint

    Tohoku earthquake 2011
    Tsunamis
    tsunami
    Earthquakes
    earthquakes
    topography
    disasters
    Topography
    plains
    coasts
    occupation
    arrivals
    safety
    ria
    arrival time
    age structure
    Disasters
    refuge
    Coastal zones
    estimates

    ASJC Scopus subject areas

    • Geotechnical Engineering and Engineering Geology
    • Geophysics

    Cite this

    Evacuation behavior and fatality rate during the 2011 Tohoku-oki earthquake and tsunami. / Yun, Nam Yi; Hamada, Masanori.

    In: Earthquake Spectra, Vol. 31, No. 3, 01.08.2015, p. 1237-1265.

    Research output: Contribution to journalArticle

    Yun, Nam Yi ; Hamada, Masanori. / Evacuation behavior and fatality rate during the 2011 Tohoku-oki earthquake and tsunami. In: Earthquake Spectra. 2015 ; Vol. 31, No. 3. pp. 1237-1265.
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