When a hazard occurs where it is not expected: risk judgments about different regions after the Christchurch earthquakes

John McClure (), David Johnston, Liv Henrich, Taciano Milfont and Julia Becker

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2015, vol. 75, issue 1, 635-652

Abstract: Research on risk judgments about hazards has not examined risk perception inside and outside the affected regions when a disaster occurs in an unexpected location. This research examined preparedness and judgments of earthquake risk after the 2011 Christchurch earthquake in three New Zealand cities: Christchurch, Wellington, and Palmerston North. We selected Christchurch, because its citizens did not expect an earthquake (but it occurred there); Wellington, because its citizens expected an earthquake (but it did not occur there); and Palmerston North, because its citizens did not expect an earthquake (and it did not occur there) and is thus comparable to Christchurch before the earthquakes. The research examined the relation of participant city to risk assessments for before (recall) and after the earthquakes, participants’ attributions for their risk judgments and for (not) preparing, and earthquake damage for Christchurch participants. Participants reported that prior to the earthquakes, they saw an earthquake as more likely in Wellington than in Christchurch and Palmerston North. In all three samples, expectations of another earthquake in Christchurch were significantly higher after the Christchurch earthquakes. Palmerston North expectancies of a local earthquake were also higher after the earthquakes, whereas Wellington citizens’ expectancies of a local earthquake were only marginally higher. Preparations increased after the earthquakes, particularly in Christchurch. These findings suggest that prior expectancies and disaster experiences affect earthquake risk judgments and preparation inside and outside the affected region. Copyright Springer Science+Business Media Dordrecht 2015

Keywords: Risk judgment; Optimism; Earthquakes; Personal experience; Expectancy (search for similar items in EconPapers)
Date: 2015
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DOI: 10.1007/s11069-014-1338-6

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