Abstract

It is well known that extreme or prolonged rainfall is the dominant trigger of landslides; however, there remain large uncertainties in characterizing the distribution of these hazards and meteorological triggers at the global scale. We have developed a Global Landslide Catalog (GLC), available from 2007 to the present, which contains information on reported rainfall-triggered landslide events around the world using online media reports, disaster databases, etc. This database is being input into a map-based viewable interface. Three applications of this landslide database are outlined in this study. These applications include: (1) characterizing the spatial and temporal distribution of reported landslides and fatalities over the GLC record; (2) evaluating the co-occurrence of precipitation and rainfall-triggered landslides globally; and (3) calibrating and validating a regional landslide hazard algorithm for Mesoamerica.

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