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Information Preference and Information Supply Efficiency Evaluation before, during, and after an Earthquake: Evidence from Songyuan, China

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  • Shasha Li

    (Jangho Architecture College, Northeastern University, Shenyang 110169, China)

  • Xinyu Peng

    (Jangho Architecture College, Northeastern University, Shenyang 110169, China)

  • Ruiqiu Pang

    (Jangho Architecture College, Northeastern University, Shenyang 110169, China)

  • Li Li

    (Jangho Architecture College, Northeastern University, Shenyang 110169, China)

  • Zixuan Song

    (Rosedale Academy Shenyang Campus, Shenyang 110011, China)

  • Hongying Ye

    (China Building Technique Group Co., Ltd., Beijing 100013, China)

Abstract

Efficient risk communication is aimed at improving the supply of risk information to meet the information needs of individuals, thus reducing their vulnerability when facing the risk of emergency. There is little information available in the literature regarding information preference from an individual’s need perspective, and there is a lack of differentiation in evaluation between information need and supply. Under the guidance of the crisis stage analysis theory, using multiple response analysis and weighted analysis methods, this study explores earthquake disaster information content and communication channel preferences, and develops an information deviation index (IDI) to evaluate the efficiency of risk communication before, during, and after an earthquake. A questionnaire-based survey of 918 valid respondents in Songyuan, China, which had been hit by a small earthquake swarm, was conducted to provide practical evidence for this study. The results indicated the following. Firstly, the information needs of individuals are highly differentiated in the different stages of an earthquake. From pre-disaster to post-disaster, individuals show a shift in information need from “preparedness and response knowledge” to “disaster information”, then to “disaster information and disaster relief information” in parallel, to “reconstruction and reflection information”. Based on the above analysis, a composition of the main earthquake disaster information is proposed for different stages. Secondly, by measuring the values of the IDI, we found that most individuals’ information needs were met for the earthquake. Thirdly, the TV and the internet were the two preferred commutation channels for acquiring disaster information from among all the effective channels in all the stages.

Suggested Citation

  • Shasha Li & Xinyu Peng & Ruiqiu Pang & Li Li & Zixuan Song & Hongying Ye, 2021. "Information Preference and Information Supply Efficiency Evaluation before, during, and after an Earthquake: Evidence from Songyuan, China," IJERPH, MDPI, vol. 18(24), pages 1-28, December.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:24:p:13070-:d:700038
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