Background Built environment is a major determinant in injuries and deaths during natural disasters. Purpose of the present paper was to study the effect of built environment on tsunami injuries. Methods A retrospective residential cohort was constructed one month after the tsunami. based on the cross sectional household survey. https://www.roneverhart.com/Turbosound-TS-18SW700-8A-18-Low-Frequency-Loudspeaker-p31480/