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What are cascading disasters?

David Alexander1, Gianluca Pescaroli1

  • 1University College London, London, UK.

UCL Open. Environment
|May 25, 2023
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Summary
This summary is machine-generated.

Modern societies face cascading disasters due to critical infrastructure interdependencies. Analyzing societal complexity helps identify vulnerabilities and prevent escalating crises, enhancing resilience.

Keywords:
built environmentcascading disasterscascading effectscomplex systemscritical infrastructureinterdependenciespolicy and lawscenariosthe environment

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Area of Science:

  • Disaster Studies
  • Societal Resilience
  • Complex Systems Analysis

Background:

  • Modern populations exhibit high dependency on critical infrastructure and networks.
  • Disaster impacts can propagate through interconnected socio-economic systems.
  • Overlapping vulnerabilities create escalation points for secondary disaster effects.

Purpose of the Study:

  • To introduce cascading disasters as a new paradigm in disaster studies.
  • To explain methods for categorizing and analyzing societal complexity.
  • To identify societal weak points that enable cascading impacts.

Main Methods:

  • Analysis of societal complexity and interconnectedness.
  • Identification of critical dependencies through scenario planning.
  • Investigation of vulnerabilities within socio-economic systems.

Main Results:

  • Cascading impacts can have greater effects than primary events.
  • Complexity analysis reveals societal weak points.
  • Scenarios effectively identify critical dependencies.

Conclusions:

  • Understanding cascading disaster dynamics is crucial for resilience.
  • Further research is needed on uninvestigated potential impacts.
  • Proactive identification of vulnerabilities can mitigate complex crises.