Disaster Management Disaster Management: Types and Magnitude of Disasters 1. Introduction Disaster management involves planning, response, and recovery efforts to minimize the impact of disasters on human lives, infrastructure, and the environment. Disasters can be natural or man-made, varying in magnitude and severity. 2. Types of Disasters Disasters are broadly classified into natural disasters and man-made disasters. A. Natural Disasters Natural disasters occur due to environmental and geological changes. 1.