This preliminary landslide database lists 4230 features with assigned landslide and material type (surficial vs. rock). Where known, the date of occurrence, trigger, and reference are provided. The landslides have mostly been identified using Google Earth and publicly available lidar. Previously published landslide database have also been incorporated and referenced. Landslide type attribution should be considered preliminary. Version 4.0 includes the addition of approximately 600 landslide features over version 3.0. Data is provided as .csv file which can be imported in GIS software and as .kmz file for visualization in Goggle Earth. Summary statistics are provided in a separate spreadsheet.