"disaster"

means a progressive or sudden, widespread or localised, natural or human-caused occurrence which—

(a)causes or threatens to cause—
(i)death, or disease;
(ii)damage to property, infrastructure or the environment; or
(iii)significant disruption of the life of a community;
(b)is of a magnitude that exceeds the ability of those affected by the disaster to cope with its effects using only their own resources;

[Definition substituted by section 1(c) of Act No. 16 of 2015]