This document summarizes a seminar on disaster nursing. It defines key terms like disaster, discusses different types of disasters and levels of disasters. It explains the phases of a disaster including pre-impact, impact and post-impact phases. It also discusses disaster management cycle including mitigation, preparedness, response, recovery and evaluation/development. Additionally, it covers disaster triage, roles of nursing in disaster management and challenges faced by nurses in disaster situations. The overall seminar aimed to help students understand concepts of disaster nursing and management of disasters.