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Re: Near source maps

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Tom Long mentioned the USGS zip code web page as the place to find the 97 UBC
Near source maps. This is not quite correct and could get some readers into
trouble. I understand that the USGS map is purely probabilistic, whereas the
97 UBC are hybrid probabilistic/deterministic maps. Bob Bachman, Tom Hale, or
someone active on the Seismology Committee could give us an update on the UBC
map printing progress.

Fred Turner
Staff Structural Engineer
Ca. Seismic Safety Commission
1900 K St. #100 Sacramento, CA 95814
916-327-1606 916-322-9476 Fax