| Geophysicist Ned Field of the United States Geological Survey, refers to an illustration, during a news conference Monday, April 14, 2008, at the University of Southern California, Davidson Conference Center U.S. Geological Survey. California faces an almost certain risk of being rocked by a strong temblor by 2037, scientists said Monday in the first statewide forecast of the seismic threat. (AP Photo/Nick Ut) |