Hazard 84
Hazard 84 : The probability of the occurrence of a disaster caused by a natural phenomenon (earthquake, cyclone), or by failure of man-made sources of energy (nuclear reactor, industrial explosion) or by uncontrolled human activity (overgrazing, heavy traffic, conflicts).-UNDRO Some authors use the term in a broader sense, including vulnerability, elements at risk and the consequences of risk. [http: //pdm.medicine.wisc.edu/vocab.htm United Nations/Science (multi-disciplinary).