Emergency management (or disaster management) is the organization and management of resources and responsibilities to address all humanitarian aspects of emergencies: preparedness, response and recovery, in order to reduce the harmful effects of all hazards, including disasters .
There are several guidelines and publications on Emergency Planning published by various professional organizations such as ASIS, the National Fire Protection Association (NFPA) and the International Association of Emergency Management (IAEM). There are very few specific standards of Emergency Management, and emergency management as a discipline tends to fall under corporate resilience standards.
To avoid or reduce significant losses in a business, emergency managers must work to identify and anticipate potential risks, hoping to reduce their likelihood of occurrence. In the event of an emergency, managers must have a plan prepared to mitigate the effects of that emergency, as well as to ensure continuity of the critical operations business after the incident. It is essential that an organization include procedures for determining whether an emergency situation has occurred and at what point an emergency management plan should be activated.
Following video is better to understand the to Prepare a Working Model of Disaster Management :