Bloomberg News
POSTED: 02:42 a.m. HST, Mar 23, 2011
LAST UPDATED: 04:50 p.m. HST, Mar 23, 2011
Tsunami waves may have reached 23.6 meters (77 feet) when the March 11 earthquake struck Ofunato city in Iwate Prefecture, according to a study by Japan’s Port and Airport Research Institute released today.