Liquefaction Zones: Santa Cruz County, California, 2015

Description:

This polygon shapefile contains liquefaction zones in the County of Santa Cruz, California. According to the United States Geological Survey, liquefaction is the ability of materials, such as clay, sand and gravel, to momentarily lose their ability to support surface structures, including roads, in the event of an earthquake. This coverage was compiled using the data based on map titled "Geology and Liquefaction Potential of Quaternary Deposits in Santa Cruz County" by William R. Dupre, 1975. This layer is part of a collection of GIS data created for Santa Cruz County, California. The Geographic Information Systems (GIS) Unit falls under the purview of the County of Santa Cruz Information Services Department. The GIS Unit serves all County departments and external customers and provides data on land, features and people of Santa Cruz County. Santa Cruz County encompasses 4 cities and approximately 265,000 people. This coverage can be used for basic applications such as viewing, querying and map output production, or to provide a basemap to support graphical overlays and analyses of geospatial data. These data were compiled from many different sources; therefore, the accuracy of the individual layers varies significantly, and some layers do not align exactly with others. In the urban areas, data are generally accurate within five to ten feet of their true geographic coordinates, but in the rural areas, data may be accurate to only within three hundred feet. With these limitations, the County of Santa Cruz disclaims any responsibility for the accuracy or correctness of this data. This disclaimer is exclusive and in lieu of any warranties, fitness for particular purpose, and/or any other type of warranty, whether expressed or implied. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.

Creator:

Garcia, Paul and Price, Matt

Publisher:

County of Santa Cruz Information Services Department

Provider:

Stanford

Resource Class:

Datasets

Resource Type:

Polygon data

Subject:

Soil liquefaction and Geoscientific Information

Temporal Coverage:

2015

Date Issued:

2015

Spatial Coverage:

Santa Cruz County (Calif.)

Rights:

This item is in the public domain. There are no restrictions on use.

Rights Holder:

This work is in the Public Domain, meaning that it is not subject to copyright.

Access Rights:

Public

Format:

Shapefile

Georeferenced:

More details at:

https://purl.stanford.edu/js718bt6856