This document defines and describes different types of disasters. It defines a disaster as a sudden event that disrupts a community beyond its ability to cope using its own resources. It defines disaster management as organizing resources to deal with emergencies and reduce disaster impacts. It describes natural disasters like floods, hurricanes and earthquakes that can immediately harm health and cause further death. It also discusses man-made disasters resulting from human error that often cause wide-scale destruction, and hybrid disasters where human actions increase damages from natural or man-made hazards.