What Is A Disaster? Addresses The Most Basic Question In The Field: That Of Defining The Phenomenon Of Study. For Theoretical Advancement It Is Important That Researchers Begin To Develop A Consensus About The Meaning Of Disasters And Related Phenomena. With The Rise In International Terrorism One Must Clarify Whether These Events Are Disasters And If So What Kind Of Disasters. Similarly In Addition To Natural Disasters Do We Include Riots Explosions Nuclear Power Plant Accidents Damn Collapses