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MCEER Bulletin, Volume 21, Number 1, Spring 2007

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Volume 21, Number 1, Spring 2007

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National Earthquake Ground-Motion Mapping Workshop


The third ATC-35/USGS Workshop on National Earthquake Ground-Motion Mapping was held December 7-8, 2006 in San Mateo, California. The Workshop was convened by the Applied Technology Council (ATC) and the U.S. Geological Survey (USGS) and a number of co-sponsoring organizations, including MCEER. Like the first and second ATC-35/USGS workshops held in 1995 and 2001, respectively, this workshop provided input from the structural engineering, geotechnical engineering, geosciences, and risk modeling professions to the USGS on key issues that affect the preparation and use of the next round of national earthquake ground motion maps (and related products).

The workshop also provided input to organizations responsible for the selection and adoption of ground motion maps in model seismic regulations and actual seismic codes governing the design of buildings, bridges, and other structures. In addition, the workshop discussed potential new map-related products.

A proceedings that includes a summary of the discussions, copies of the presentations and some papers is planned. Additional information is available on ATC’s website at
or by contacting ATC at