Article Dans Une Revue Data in Brief Année : 2024

A new dataset on milling time and public perception of Cell Broadcast tsunami alerts tested along the French Mediterranean coast on 19 January 2024

Une base de données sur les délais de préparation déclarées et la perception des alertes par le grand public lors d'un exercice d'alerte tsunami le long du littoral méditerranéen français le 19 janvier 2024

Résumé

Within the study of public perception and intended declarations in case of alert, an original dataset has been completed by using an online questionnaire, with a short URL link included in mobile alert messages, tested and displayed on 19 January 2024 along the French Mediterranean coast (engaging 189 municipalities and 9 departments) . The aim is to further know and understand what people do and think upon receiving Cell Broadcast alerts, that deliver an attention-grabbing message directly on the screen of mobile phones of people located in the at-risk zones. A first notification was sent in the Tsunami Evacuation Zones from 09:30 to 10:30, and a second from 10:35 to 10:50 to close the test. A total of 9, 446 totally-completed answers have been collected during 2 days. The sample consists of 24 questions, designed by an interdisciplinary research team (including geographers, designers and psychologists researchers) , to respond to a dual challenge: 1) firstly, to evaluate the participants’ immediate reactions to the Cell Broadcast messages, displayed with sound tone (that may provoke anxiety, fear or stress, particularly if individuals are confused by such type of alert) , and 2) second, to estimate the intended milling time (i.e., the time one person declared before he decides to evacuate) and to measure its influence for evacuation planning A few demographic details (age, professional status, location during alert reception) completed the dataset. The 9 Prefectures, the French Ministry of Interior and the researcher's team were involved before the test (to produce evacuation maps and alert messages) , during the test (to locally observe reactions) and after the test (to present results to the practitioners) . This original dataset serves as a critical resource for researchers, policymakers, and emergency managers focused on optimising Cell Broadcast alerts and defining alert messages. It is particularly suited to enhance the effectiveness and understanding of tsunami Cell Broadcast alerts.

Dates et versions

hal-04774713 , version 1 (08-11-2024)

Identifiants

Citer

Johnny Douvinet, Fatima-Zahra Atmani, Maxime Deniaux, Matthieu Péroche, Noé Carles, et al.. A new dataset on milling time and public perception of Cell Broadcast tsunami alerts tested along the French Mediterranean coast on 19 January 2024. Data in Brief, 2024, pp.111073. ⟨10.1016/j.dib.2024.111073⟩. ⟨hal-04774713⟩
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