Comparative analysis of mobile space statistics data and questionnaire survey data to detect tsunami evacuation behavior: Case of Fukushima earthquake tsunami in Ishinomaki city and Watari town, Miyagi prefecture

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    Abstract

    This paper investigates whether it is possible to determine shelter locations and congestion spots at the time of an event, by resorting to the recently anticipated use of mobile space data at the time of a disaster. This study focused on the earthquake and the resulting tsunami that occurred off the coast of Fukushima Prefecture on November 22nd, 2016. We verified whether it is possible to identify congestion spots and shelter locations by comparing with the results of a questionnaire survey conducted in a previous study on evacuation behavior at the time of the occurrence of earthquakes and tsunamis. As a result, we found that it is difficult to determine evacuation behaviors from the data, as raw mobile space data extracted several hours after the tsunami event only gave information on where spots’ populations ordinarily converge to. We were able to determine the locations where populations gather by taking into consideration time-based differences between the raw data obtained. It, however, proved difficult to obtain a good determination of congestion spots.

    Original languageEnglish
    Pages (from-to)358-366
    Number of pages9
    JournalJournal of Disaster Research
    Volume13
    Issue number2
    DOIs
    Publication statusPublished - 2018 Mar

    Keywords

    • 2016 Fukushima tsunami
    • Evacuation behavior
    • Mobile space statistics
    • Questionnaire survey
    • Traffic jam
    • Tsunami

    ASJC Scopus subject areas

    • Safety, Risk, Reliability and Quality
    • Engineering (miscellaneous)

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