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A Quantitative Assessment of the Human and Economic Hazard from Impact-generated Tsunami

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Abstract

In this article, we assess the human and economic hazard posed by tsunami waves generated from impacts of sub-2 km diameter asteroids. Annually, on average, 182(+197/−123) people will be affected by impact-induced waves with a corresponding infrastructure loss of $18(+20/−12)M/y. Half of the tsunami hazard stems from impactors with diameters less than 300 m. One near Earth asteroid will survive atmospheric transit and strike somewhere into Earth’s oceans every 5880 years, on average. In the mean generic scenario, the tsunami from the impact affects 1.1 million people and destroys $110B of infrastructure.

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Correspondence to Steven R. Chesley.

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Chesley, S.R., Ward, S.N. A Quantitative Assessment of the Human and Economic Hazard from Impact-generated Tsunami. Nat Hazards 38, 355–374 (2006). https://doi.org/10.1007/s11069-005-1921-y

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  • DOI: https://doi.org/10.1007/s11069-005-1921-y

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