A wonderful piece of reporting in The New Yorker adds public attention to the major earthquake threat from a recently discovered fault line in the Pacific Northwest. The threat has been reported by news organizations in Seattle before, but since the media tend to pick up and echo the journalism in a few higher-profile media outlets, Kathryn Schulz’s dramatic report — “The Really Big One, An earthquake will destroy a sizable portion of the coastal Northwest. The question is when” — is drawing a lot more attention.
The piece is ominous, and thorough. But it is missing one big component. If the threat is so huge, and so many people know about it (many in that region already do), why aren’t people doing more to prepare? Schulz says only that we suffer from
“…a kind of temporal parochialism — an ignorance of or an indifference to those planetary gears which turn more slowly than our own.”
“Where we stumble is in conjuring up grim futures in a way that helps to avert them.”
That throwaway explanation of why people don’t worry enough is facile and disappointing. The lack of concern is a central part of why the region is so vulnerable and bears more attention in the story. The geological and other sciences Schulz reports on so well may be able to define the physical threat, but the sciences of risk perception psychology, which she does not address, tell us far more about how we are likely to respond to that information. If people are inadequately prepared for the quake she warns about, that lack of preparation will be responsible for a great deal of the death and destruction along with the shaking Earth itself.
How we perceive a risk … how we feel about it … has a great deal to do with how much harm it will cause. Laura Bliss writes about this at CityLab in “Why You Don’t Really Care About the Next ‘Big One’ Terrible natural disasters will come someday, but most people have a hard time worrying about stuff that isn’t imminent.”
I have written about the risk-perception psychology of why we don’t worry enough about all sorts of natural disasters here, in “Putting the Disaster in Natural Disasters. Why Do We Live in Harm’s Way?” Please do read Laura’s piece, and/or mine, but in case you don’t, here’s the summary;
The study of risk perception by Paul Slovic and others has made clear that how risky something seems is a matter of how we feel about the facts, not the facts all by themselves. Our fears often don’t match the facts. That may seem irrational, but it is a built-in feature of human cognition.
Which means that just telling people a risk threatens them is not enough to get them to take that risk seriously. Schulz’s piece does a public service raising the alarm, but unless a threat actually feels alarming, many of us are unlikely to worry enough to take proper precautions. This is one half of what I call The Risk Perception Gap, the risks that arise when we worry about some things more than the evidence says we have to or less than the evidence says we should. Like that guy from LA moving onto one of the faults known to threaten California.
Just noting that gap between our fears and the facts, and dismissing what seems to be an irrational lack of concern, isn’t enough. Explaining why the Risk Perception Gap occurs, and how an understanding of the psychology of risk perception can be used to reduce the gap, is as important to natural disaster stories as Schulz’s explanation of plate tectonics and the Cascadia fault. If we understand why natural disasters don’t scare us as much as they should, we can devise policies, and more effective risk communications, that speak to the affective aspects of the threat … to raise appropriate concern. That will support the investments and encourage the actions necessary to get people more prepared, for an earthquake in the Pacific Northwest or natural disasters anywhere.
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