Which type of disaster is characterized by mass displacement of populations?

A humanitarian crisis is specifically defined by significant disruption in the lives of individuals or communities, often resulting in mass displacement of people. Such crises can arise from various factors, including armed conflicts, political instability, and severe social unrest. In situations like these, individuals or groups may be forced to flee their homes to escape violence, persecution, or lack of basic needs, leading to a large-scale movement of displaced populations seeking safety and assistance.

This distinct focus on the forced movement of people is a hallmark of humanitarian crises, differentiating it from other types of disasters. While natural disasters can also lead to population displacement, they are typically characterized by environmental phenomena such as hurricanes or earthquakes that do not inherently include a social or political aspect. Technological disasters may cause displacement as a byproduct of industrial accidents or failures, but they lack the widespread societal upheaval that defines a humanitarian crisis. Similarly, nuclear disasters can lead to evacuation, but they do not encompass the broader spectrum of issues and systemic breakdowns associated with humanitarian crises.