Articles | Volume 23, issue 9
https://doi.org/10.5194/nhess-23-2987-2023
https://doi.org/10.5194/nhess-23-2987-2023
Research article
 | 
07 Sep 2023
Research article |  | 07 Sep 2023

Coastal earthquake-induced landslide susceptibility during the 2016 Mw 7.8 Kaikōura earthquake, New Zealand

Colin K. Bloom, Corinne Singeisen, Timothy Stahl, Andrew Howell, Chris Massey, and Dougal Mason

Model code and software

RichDEM: Terrain Analysis Soaware Richard Barnes http://github.com/r-barnes/richdem

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Short summary
Landslides are often observed on coastlines following large earthquakes, but few studies have explored this occurrence. Here, statistical modelling of landslides triggered by the 2016 Kaikōura earthquake in New Zealand is used to investigate factors driving coastal earthquake-induced landslides. Geology, steep slopes, and shaking intensity are good predictors of landslides from the Kaikōura event. Steeper slopes close to the coast provide the best explanation for a high landslide density.
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