Under the auspices of the Tsunami Commission of the International Union of Geodesy and Geophysics and the International Coordination Group of the International Oceanographic Commission, the IUGGIIOC International Tsunami Symposium, TSUNAMI '93 (Sixteenth International Tsunami Symposium) was held in Wakayama, Olle of the most historical areas in the prevention of tsunami disasters in Japan, from 23 to 27 August, 1993 by the Organizing Committee of the Japan Society of Ovil Engineers, in commemoration of the International Decade for Natural Disaster Reduction. More than one hundred and fifty...