A good article on the human response and how Port o Prince needs to be rebuild following a strict seismic code which includes land use zoning and earthquake proof buildings.
Twenty years after the explosion, the best estimates of deaths associated with Chernobyl - mainly from cancer caused by fallout - range from 16,000 to 60,000.
As Mr Keys so kindly pointed out - "didn't predict that one did you". But of course, because we know what we know, it would have been impossible. Educating historians is such as challenge.