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CGS / Seismic Hazard Zonation Program

Seismic Hazards Zonation Program 

New Official Seismic Hazard Zone Map Release - August 27, 2008

Two New Official Seismic Hazard Zone Maps covering portions of Alameda County have been released – the Dublin and Livermore Quadrangles encompass portions of the cities of Dublin, Hayward, Livermore and Pleasanton.  These Official Seismic Hazard Zone Maps are now available for viewing and downloading by clicking the  “Quickview / Download PDF Maps" icon below. 

One new Preliminary Seismic Hazard Zone Map released August 27, 2008 - Altamont Quadrangle, Alameda County.

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The Interactive Web Mapping site uses a java viewer. You can download it for free here

Interactive Mapping
and GIS Data

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