Transient events refer to short-lived phenomena or occurrences that happen in a specific location, and have a significant impact on the surrounding environment. These events can include natural disasters such as earthquakes, floods, and storms, as well as man-made events such as industrial accidents or terrorist attacks. Researchers in this area study the causes, effects, and responses to transient events in order to develop strategies for mitigation and preparation. This research is important for understanding how to effectively respond to and recover from sudden, unexpected events that can have far-reaching consequences.