April 1946: Tsunami inundating Hilo, Hawaii. Note the man on pier (lower left). This disaster provided impetus for C&GS (Coast & Geodetic Survey) to establish the tsunami warning system.Source: http://www.photolib.noaa.gov/historic/c&gs/theb2705.htmBig photo: http://www.photolib.noaa.gov/historic/c&gs/images/big/theb2705.jpgCredit: NOAA Photo Library, National Oceanic & Atmospheric Adminstration (NOAA), United States Government