A disaster film or disaster movie is a film genre that has an impending or ongoing disaster as its subject and primary plot device. Such disasters include natural disasters such as floods, earthquakes, tsunamis or asteroid collisions, accidents such as shipwrecks or airplane crashes, or calamities like worldwide disease pandemics. A subgenre of action films, these films usually feature some degree of build-up, the disaster itself, and sometimes the aftermath, usually from the point of view of specific individual characters or their families or portraying the survival tactics of different people.
