Source:http://linkedlifedata.com/resource/umls/id/C0012618
MSH: Calamities producing great damage, loss of life, and distress. They include results of natural phenomena and man-made phenomena. Normal conditions of existence are disrupted and the level of impact exceeds the capacity of the hazard-affected community.,CSP: unexpected natural or man-made catastrophe of substantial extent causing significant property damage or destruction, loss of life or sometimes permanent changes to the natural environment.