Disasters can be classified as natural or those caused by humans. defined the
disasters caused by human action as “negligence, error, or involving the failure of a system. Man-made disasters are
in turn categorized as technological or sociological. Technological disasters are the results of failure of technology,
such as engineering failures, transport disasters, or environmental disasters. Sociological disasters have a strong
human motive, such as criminal acts, stampedes, riots and war”