Definition (1):
Civil emergency refers to any occasion or instance for which, in the determination of the President, federal assistance is needed to supplement state and local efforts and capabilities to save lives and to protect property and public health and safety or to lessen or avert the threat of a catastrophe in any part of the United States.
Definition (2):
“Civil Emergency means a riot or unlawful assembly characterized by the use of actual force or violence or any threat to use force without the authority of law; or a natural disaster or human-made calamity, including flood, catastrophe, cyclone, tornado, earthquake, snowfall, or explosion, within the limits of the County resulting in the death or injury of persons or the destruction of property so that extraordinary measures must be taken to protect the public health, safety, and welfare. “
Definition (3):
Civil emergency means an unlawful assembly, riot, sabotage, enemy attack, insurrection, or other hostile action; or a human or natural caused disaster such as an explosion, fire, storm, flood, volcanic eruption, earthquake, or other natural calamities.
Generally, it is a warning to the public by a recognized agency or a government agency with expertise in a specific area. This warning means that there is a danger or threat to people or property. The danger can be because of abnormal weather, fire danger, a tsunami, a disease’s spread, or some other danger or threat.