Studies From Columbia University Yield New Data On Legal Issues (catastrophic “hyperclustering” And Recurrent Losses: Diagnosing U.s. Flood Insurance Insolvency Triggers): Legal Issues

2025 SEP 09 (NewsRx) -- By a News Reporter-Staff News Editor at NewsRx Policy and Law Daily -- Fresh data on agriculture are presented in a new report. According to news reporting out of Columbia University by NewsRx editors, research stated, “Although a cornerstone of U.S. flood risk preparedness since 1968, the National Flood Insurance Program (NFIP), is burdened by insolvency.”

Funders for this research include National Science Foundation Graduate Research Fellowship Program.

Our news editors obtained a quote from the research from Columbia University: “Despite pricing and risk assessment reforms, systemic failures persist, resulting in the accumulation of billions in federal debt. This study presents an interdisciplinary framework integrating qualitative synthesis, unsupervised machine learning, and game theory to diagnose triggers of insolvency. We identify catastrophic ‘hyperclustering’ as large-scale flood events spanning days to weeks and induced by a common hydrometeorological driver, which dominate claim volumes often in regions of high asset density. We find chronic annual losses arise from recurrent claims, emphasizing the need for proactive managed retreat from high-risk areas. Our findings support targeted NFIP reform and broader risk management, particularly as climate extremes intensify the homeowners’ insurance crisis.”

According to the news editors, the research concluded: “We argue that long-term resilience requires aligning financial, structural, and non-structural interventions with distinct regional risk patterns-whether driven by hyperclustering, recurrent losses, or both.”

For more information on this research see: Catastrophic “hyperclustering” and recurrent losses: diagnosing U.S. flood insurance insolvency triggers. npj Natural Hazards, 2025,2(1):1-12. The publisher for npj Natural Hazards is Nature Portfolio.

A free version of this journal article is available at https://doi.org/10.1038/s44304-025-00136-w.

Our news journalists report that additional information may be obtained by contacting Adam Nayak, Department of Earth and Environmental Engineering, Columbia University. Additional authors for this research include Mengjie Zhang, Pierre Gentine, Upmanu Lall.

(Our reports deliver fact-based news of research and discoveries from around the world.)

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