Revision History for USGS Fact Sheet 2012-3028 Erol Kalkan, Jon Peter B. Fletcher, William S. Leith, Jill McCarthy, and Krishna Banga Real-Time Seismic Monitoring of Instrumented Hospital Buildings ----------------------------------------------------- Improved a figure on page 2 June 29, 2012 Posted online at http://pubs.usgs.gov/fs/2012/3028/ April 6, 2012 -----------------------------------------------------