Earth Sciences

Can we develop a more targeted approach to mitigating seismic risk?

D. Xin, Z. Zhang, et al.

This research by Danhua Xin, Zhenguo Zhang, Bo Chen, Friedemann Wenzel, Yilong Li, and Xiaofei Chen unveils a strategy to identify regional high seismic risk zones with remarkable precision. By assessing seismic hazards and potential financial losses from a Mw 7.5 earthquake on the Jiaocheng fault in China, the study highlights that a mere 7% of land could account for 85% of total losses, advocating for focused mitigation efforts to enhance disaster risk reduction.

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Abstract

This paper proposes a strategy to delineate regional high seismic risk zones at a fine resolution and with high confidence. Using seismic hazard and loss estimation for Mw 7.5 scenarios on the Jiaocheng fault (China), the study shows that the delineated high-risk zone, comprising ~7% of the land area, accounts for ~85% of the total financial loss. Prioritizing mitigation efforts in such zones is recommended for better disaster risk reduction.

Publisher

npj Natural Hazards

Published On

Apr 26, 2024

Authors

Danhua Xin, Zhenguo Zhang, Bo Chen, Friedemann Wenzel, Yilong Li, Xiaofei Chen

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