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Phases of a disaster
Pre disaster preparation
Warning
Impact
Emergency
Recovery
Phases of a disaster
1. Pre disaster preparation
Geological hazard surveys,
risk assessment survey.
Adopt laws & codes to
prevent and mitigate disaster.
Effective disaster plan is
developed, distributed ,
tested in mock disaster
exercises , revised & kept
up to date.
Phases of a disaster ( contd….)
2. Warning
 This is the period of time from the first
possible danger signal to the moment of impact.
 Disaster prediction using satellites & networks.
 Activation of disaster plan & establishment of
emergency operation.
3. Impact
 Phase at which disaster actually strikes and
essentially
a period of enduring the disaster’s effects and
“holding on”.
Phases of a disaster ( contd….)
4. Emergency
Starts at the end of impact & continues until the
immediate threat of additional destruction has
passed & the community is organized for recovery
and rehabilitation
5. Recovery
Begins during the emergency phase and ends
gradually with the resumption of normal community
order and function.
PHASES OF DISASTER