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]