The JCOLD has collected time histories of accelerations, recorded from October 2000 to September 2012 newly, and has carried out analysis of fundamental strong motion characteristics at dam sites, acceleration response characteristics of dams, and natural periods of dams and so on. This report introduces the outlines of collected data and the data analysis results, and is made based on “Report of JCOLD committee on Acceleration Records on Dams and Foundations”.