Disaster is a serious disruption of the functioning of a community caused by some natural event and is unable to cope with its resources.
Disaster occurs when a vulnerable community of people did not have the capacity to cope with it natural resources to manage the impact of the hazards of the community.
Disaster and the hazard has a basic difference between them.
We will not treat a natural event as a disaster unless it causes any human or financial loss. The natural event in an open ocean or space called the natural hazards.
Cyclone in an open ocean far away from the community people is not a disaster but a natural hazards.