Interesting footage from CBS of the May 22, 1960 earthquake in Chile which was the strongest ever recorded: Recalling 1960 Chile Quake - CBS News Video. Despite the strength, deaths attributed to the earthquake were only just over 2,000 in Chile. Indeed, the amazing tsunamis that followed seems to have killed more. In the end, the destructive power of quakes seems to depend very heavily on the nature of the soil buildings are on as much as anything else. See also this brief historical report at Seismo-Watch.