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News Release

October 13, 2006
Stephanie Hanna (206) 331-0335
Susan Garcia (650) 329-4668

Media Advisory: New Seismic Hazard Maps and Online Reports Highlight Important Legacy of Loma Prieta Earthquake

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The U.S. Geological Survey (USGS) and California Geological Survey (CGS) will hold a joint media briefing on Monday on important lessons learned from the Loma Prieta earthquake, which occurred October 17, 1989. Three new Seismic Hazard Zone maps will be shown, covering the Menlo Park, Morgan Hill, Palo Alto and Redwood City areas. 

 WHO:  Tom Brocher and Tom Holzer from the USGS and Keith Knudsen of the California Geological Survey.
 WHEN:  Monday, October 16, at 10:00 a.m.
 WHERE:  USGS Visitors Center in Building 3, 345 Middlefield Road, Menlo Park, California.  Building 3 is the building behind the flagpole.  The Visitors Center is located on the first floor, just inside the main entrance. Directions to the USGS Menlo Park campus are available on our Website at
 WHAT:  Liquefaction and landslides caused by Loma Prieta occurred in similar areas as the 1906 Earthquake, although the characteristics and epicenters of the earthquakes were very different. Communities have been made safer and more resilient by research and analysis, and particularly by the Seismic Hazard Mapping Act.  More than 162 USGS research reports are being made available on-line covering the Loma Prieta earthquake and response of buildings, highways, lifelines and economic impact in the Bay Area.

The USGS serves the nation by providing reliable scientific information to describe and understand the Earth; minimize loss of life and property from natural disasters; manage water, biological, energy, and mineral resources; and enhance and protect our quality of life.

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