The international tsunami symposium convened by the Tsunami Comemisaon df the International Union of Geodesy and Geophysics was hcid daring May 25-28 1981 at Sendai, Ofunato and Kamaishi, North East Honshu, Japan. This symposiom was organized by the Japanese National Committee for the Organzation of International Tsunami Symposium, 1981. The opening and closing ceremonies Of the syerposaaa we…