Articles | Volume 22, issue 2
https://doi.org/10.5194/nhess-22-481-2022
https://doi.org/10.5194/nhess-22-481-2022
Research article
 | 
16 Feb 2022
Research article |  | 16 Feb 2022

Automated determination of landslide locations after large trigger events: advantages and disadvantages compared to manual mapping

David G. Milledge, Dino G. Bellugi, Jack Watt, and Alexander L. Densmore

Model code and software

ALDIv1.1.0 David G. Milledge https://doi.org/10.5281/zenodo.5813872

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Short summary
Earthquakes can trigger thousands of landslides, causing severe and widespread damage. Efforts to understand what controls these landslides rely heavily on costly and time-consuming manual mapping from satellite imagery. We developed a new method that automatically detects landslides triggered by earthquakes using thousands of free satellite images. We found that in the majority of cases, it was as skilful at identifying the locations of landslides as the manual maps that we tested it against.
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