Catastrophism

Catastrophism is the theory that the Earth has been affected in the past by sudden, short-lived, violent events, possibly worldwide in scope. The dominant paradigm of modern geology is uniformitarianism (sometimes described as gradualism), in which slow incremental changes, such as erosion, create the Earth's appearance. This view holds that the present is the key to the past, and that all things continue as they were from the beginning of the world. Recently a more inclusive and integrated view of geologic events has developed, changing the scientific consensus to accept some catastrophic events in the geologic past. This held that there have been violent and sudden natural catastrophes such as great floods and the rapid formation of major mountain chains. Plants and animals living in those parts of the world where such events occurred were often killed off according to Cuvier. Then new life forms moved in from other areas. As a result, the fossil record for a region shows abrupt changes in species. Cuvier's explanation relied solely on scientific evidence rather than biblical interpretation.