Building community shelters at various hazard prone areas is a ______.
A sudden accident or a natural catastrophe that causes great damage or loss of life and property is called a disaster. It can be natural like earth quakes, tsunami, floods etc and artificial disasters like terrorist attack etc. Structural measures are any physical construction to reduce or avoid possible impacts of hazards by the application of engineering techniques or technology. Building community shelters at various hazard prone areas is one such example.