(a) "Civil emergency" means:
(1) A riot or unlawful assembly characterized by the use of force or violence or any threat to use such force by three or more persons acting together without the authority of law.
(2) Any natural disaster or man-made calamity, including flood, conflagration, cyclone, tornado, earthquake or explosion, within the City resulting or reasonably expected to result in the death or injury of persons or the destruction of property to such an extent that extraordinary measures must be taken to protect the public health, safety and welfare.
(b) "Curfew" means a prohibition against any person or persons walking, running, loitering, standing or motoring upon any alley, street, highway, public property or vacant premises within the City, except persons officially designated to duty with reference to such civil emergency.
(Ord. 68-197. Passed 11-19-68.)