articleEarth-Science ReviewsOct 28, 2019HYBRID OA

Geographical landslide early warning systems

FGFausto GuzzettiSLStefano Luigi GarianoSPSilvia PeruccacciMTMaria Teresa BrunettiIMIvan Marchesini

Research Institute for Geo-Hydrological Protection

Indexed incrossref

Abstract

The design, implementation, management, and verification of landslide early warning systems (LEWSs) are gaining increasing attention in the literature and among government officials, decision makers, and the public. Based on a critical analysis of nine main assumptions that form the rationale for landslide forecasting and early warning, we examine 26 regional, national, and global LEWSs worldwide from 1977 to August 2019. We find that currently only five nations, 13 regions, and four metropolitan areas benefit from LEWSs, while many areas with numerous fatal landslides, where landslide risk to the population is high, lack LEWSs. Operational LEWSs use information from rain gauge networks, meteorological models,…

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Authors

7

Topics & keywords

Topics
Keywords
  • Landslide
  • Warning system
  • Metropolitan area
  • Early warning system
  • Government (linguistics)
  • Credibility
  • Natural hazard
  • Population
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