This point shapefile depicts histocial incidents fo liquefaction in Monterey County, California. Activity is included for 1906 and 1989. This layer is part of a collection of GIS data for Monterey County in California. This dataset is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production, or to provide a basemap to support graphical overlays and analysis with other spatial data. Monterey County, California. (2015). Historic Liquefaction Activity, Monterey County, California, 1906, 1989. Monterey County, Ca. Available at: http://purl.stanford.edu/qt891zs7615.