
A technological or anthropogenic hazard is a catastrophic event directly caused by human activity, as opposed to natural hazards. Examples include industrial accidents, hazardous material spills, transportation disasters, terrorism, and warfare. These... Read more »

A formal governmental act recognizing the existence of a catastrophic event that overwhelms local resources and necessitates external assistance. A typical example would be a governor requesting federal aid after a hurricane... Read more »

A plan for restoring business operations after a disruptive event, such as a natural disaster, cyberattack, or equipment failure, encompasses processes, policies, and procedures for quickly resuming mission-critical functions. A practical example... Read more »

A calamity of significant magnitude impacting a nation requires a framework for understanding and response. Events like widespread flooding, devastating earthquakes, or large-scale industrial accidents that overwhelm local and regional capacities typically... Read more »

A calamitous event of such magnitude that it overwhelms local and regional resources, necessitating a national response. This could include widespread destruction, significant loss of life, or severe disruption to societal function.... Read more »