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State boundaries in blue; county boundaries in green.
USGS National Seismic Hazard Mapping Project
U.S. Department of the Interior | U.S. Geological Survey URL: http://neic.usgs.gov/neis/eq_depot/2001/eq_010228/neic_0228_z.html Contact: NEIC Web Team Last modification: Wednesday, 2004 March 31 12:46 MST