Natural Hazards and Earth System Sciences
Natural Hazards and Earth System Sciences
NHESS
Articles | Volume 24, issue 3
Articles | Volume 24, issue 3
https://doi.org/10.5194/nhess-24-1017-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-24-1017-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 24, issue 3
Research article
 | 
28 Mar 2024
Research article |  | 28 Mar 2024

The influence of aftershocks on seismic hazard analysis: a case study from Xichang and the surrounding areas

Qing Wu, Guijuan Lai, Jian Wu, and Jinmeng Bi

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Latest update: 06 Mar 2025
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Short summary
Aftershocks are typically ignored for traditional probabilistic seismic hazard analyses, which underestimate the seismic hazard to some extent and may cause potential risks. A probabilistic seismic hazard analysis based on the Monte Carlo method was combined with the Omi–Reasenberg–Jones model to systematically study how aftershocks impact seismic hazard analyses. The influence of aftershocks on probabilistic seismic hazard analysis can exceed 50 %.
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