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A disaster is a serious disruption of the functioning of a community or a society causing widespread human, material, economic or environmental losses which exceed the ability of the affected community or society to cope using its own resources (UNISDR 2009). A disaster is a function of the risk process. It results from the combination of hazards, conditions of vulnerability and insufficient capacity or measures to reduce the potential negative consequences of risk.

Levels of Disasters in Sierra Leone

All levels of disasters match up with levels one, two and three situations as stipulated in the National Security Standard Response Guidelines.

Level One
Refers to minor disasters, i.e., any disaster that is likely to be within the response capabilities of the local government, the community and stake holders working within the affected community and results in only minimal need for national assistance.

Level Two
refers to disaster, i.e., any disaster that would likely exceed local capabilities and require a broad range of national assistance.

Level Three
This refers to an extreme disaster, i.e., any disaster that would require massive national assistance including military involvement and support through outside intervention (or international).

Historic Disaster Events in Sierra Leone