These factors include importance of the dam, severity of the ground motion, occurrence or lack of observed damage, and availability of quality strong motion records at or near the dam.

We focus particularly on the United Kingdom autumn 2000 floods because, aside from causing widespread damage, they occurred during the wettest autumn since records began in 1766.

It has created computer scans to provide precise records of the damage to the ruins and identified the most pernicious threats, starting with erosion caused by salty groundwater.