The research results described in the following summaries were submitted by
the investigators on October 20, 1983 and cover the 6-month period from
April 1, 1983 through September 30, 1983. These reports include both work
performed under contracts administered by the Geological Survey and work by
members of the Geological Survey. The report summaries are grouped into the
four major elements of the National Earthquake Hazards Reduction Program.