Liquefaction Hazard Maps for Three Earthquake Scenarios for the Communities of San Jose, Campbell, Cupertino, Los Altos, Los Gatos Milpitas, Mountain View, Palo Alto, Santa Clara, Saratoga, and Sunnyvale: Northern Santa Clara County, California By Thomas L. Holzer, Thomas E. Noce, and Michael J. Bennett U.S. Geological Survey Open-File Report 2008-1270 2008 DESCRIPTION OF DATA FILES INTRODUCTION This publication includes: a folder containing the shapefiles and associated tables for use in ArcGIS or a similar compatible GIS program; Portable Document Format (PDF) files of the liquefaction maps for each of the three earthquake scenarios, Published Map Files (PMF) for viewing the maps in ARC Reader, ArcMap MXD files for viewing the maps in ArcMap, Google Earth files (KMZ) for viewing the maps in Google Earth, an accompanying technical report in PDF format that describes the maps and the methodology used to produce the maps, and a text file of FGDC- compliant metadata for the report. LIQUEFACTION MAP FILES AND ASSOCIATED FILES File Contains of2008-1270_shapefiles.zip A zipped file containing all of the shapefiles (.shp) of faults, liquefaction probability polygons, water bodies, major highways, streets, surficial geologic units, study area boundary, layer files, location maps used in the creation of all three earthquake scenario liquefaction hazard maps. Also included are the Map Document Files (.mxd) used to open them in ArcMap, and the Published Map Files (.pmf) used to open them in ArcReader. of2008-1270_kmz.zip A zipped file containing the .kmz Google Earth file for the three earthquake scenario liquefaction scenario maps. FILES FOR VIEWING AND PLOTTING of2008-1270_San_Andreas_scenario.pdf of2008-1270_Hayward_scenario.pdf of2008-1270_Calaveras_scenario.pdf The Portable Document Format (PDF) files for viewing the three earthquake scenario liquefaction hazard maps at full scale. The plots are approximately 29 x 40 inches in size. of2008-1270_technical_report.pdf A Portable Document Format (PDF) file of the technical report that describes the maps and the methodology used to produce the maps. METADATA of2008-1270_metadata.txt Federal Geographic Data Committee (FGDC) compliant metadata file derived from the digital database. SOFTWARE UTILITIES The data packages are zipped and may be unzipped using any compatible .zip program. HOW TO OBTAIN THE DIGITAL FILES The digital files constituting the map database of this report may be obtained via the Internet from the U.S. Geological Survey publications website. Go to the web page at http://pubs.usgs.gov. Browse for the publication of interest and follow the download instructions. This report is available at http://pubs.usgs.gov/of/2008/1270/ Shapefile (SHP) FILES The SHP files are accessed using ArcGIS software, or any other compatible, commercially available GIS software programs. They may also be accessed for free with ArcReader (see Published Map Format (PMF) below) PUBLISHED MAP FORMAT (PMF) FILES ArcReader is a free, easy-to-use desktop mapping application that will allows users to view, explore, and print the liquefaction hazard scenario maps. It is available as a free download at http://www.esri.com/software/arcgis/arcreader/download.html Follow instructions at the website to download and install the software. ArcReader contains an on-line manual and tutorial. PORTABLE DOCUMENT FORMAT (PDF) FILES The PDF files are accessed using Adobe Reader software, available free from the Adobe website http://www.adobe.com/products/acrobat/readstep2.html Follow instructions at the website to download and install the software. Acrobat Reader contains an on-line manual and tutorial. GOOGLE EARTH FORMAT (KMZ) FILES The KMZ file is accessed using Google Earth software, available free from the Adobe website http://earth.google.com/. Follow instructions at the website to download and install the software. Google Earth maintains an on-line manual and tutorial.