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地质灾害是在地质作用下,地质自然环境恶化,造成人类生命财产损毁或人类赖以生存与发展的资源、环境发生严重破坏的过程或现象,是对人类生命财产和生存环境产生损毁的地质事件。它既包含致灾体,又包括承灾体或受灾体,两者相辅相成,缺一不可。那些仅仅是地质环境恶化,而没有直接破坏人民生命财产和生活环境的单纯的地质事件,则只能成为某种地质现象或地质环境问题,而不能称其为地质灾害。
Geological disasters are the process or phenomenon of serious damage to the environment and the destruction of human life, property and living environment under the action of geological conditions, which deteriorate the geological and natural environment, cause the destruction of human lives and properties or the resources and environment for the survival and development of human beings. . It contains both disaster-causing body, but also disaster-bearing body or disaster-stricken body, the two complement each other, are indispensable. Those simple geological events that merely worsen the geological environment without directly destroying people’s lives, properties and living environment can only become a geological phenomenon or a geological environment issue, and can not be called a geological disaster.