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Housing loss upped.

Housing loss upped

A magnitude 8 earthquake on the San Andreas fault insouthern California--considered a distinct possibility--would leave 250,000 to 400,000 homes uninhabitable, according to Northridge, Calif.-based Rachel M. Gulliver, an earthquake-hazard consultant. The number represents an increase over her 1980 estimate of 135,000 houses made uninhabitable by structural failure or loss of utilities, calculated while she was with the Federal Emergency Management Agency. The initial estimate was based on the assumption that areas where the water table is low--such as the urbanized valleys in and around Los Angeles--would suffer less shaking than areas with high water tables. But other scientists' measurements of seismic events led Gulliver to up the estimated intensity of an earthquake wave in areas with a low water table.
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Title Annotation:estimate of damage that would be caused by southern California earthquake
Author:Silberner, Joanne
Publication:Science News
Date:Apr 11, 1987
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