Morphological and geo-environmental features of three North Patagonian volcanoe areas (Calbuco, Chaitén, and Huequi) used for hierarchical Bayesian logistic regression for landslide predictions

The data presented here correspond to a (point) sampling of areas with presence (or not) of landslides from three study areas located in North Patagonia (Calbuco, Huequi and Chaitén). Morphometric and geo-environmental parameter values have been obtained for each sample point. We compiled inventories of landslides that occurred between 2001 and 2019 by mapping from Google Earth® imagery and local ground checks between 2014 and 2019. We mapped landslides using diagnostics such as distinct, elongate, and contrast-rich forest gaps with bare scars showing displaced soil, and rock together with transport zones and runout lobes (Fiorucci et al., 2011). We mapped a total of 411 landslides in Calbuco, 38 in Huequi, and 616 in Chaitén, covering 0.6%, 0.4% and 0.8% of each study area. We performed a random sampling for each area considering a balanced number of landslide and unaffected terrain samples. For the Calbuco area, 411 points (pixels) were obtained in areas with landslides and 411 in areas not affected by landslides; in the case of Huequi the number of samples was 494 (landslides) and 494 (no landslides zones); in Chaitén 617 (landslides) and 617 (no landslides zones). The data are presented as three csv files for the three study areas.