(1) Engage in fighting or in violent, tumultuous or threatening behavior;

(2) Use abusive or obscene language or make an obscene gesture in a public place;

(3) Disturb any lawful assembly of persons without lawful authority;

(4) Obstruct vehicular or pedestrian traffic in or on a public way or public place;

(5) Congregate with other persons in a public place and refuse to comply with a lawful order of the police to disperse;

(6) Initiate or circulate a report, knowing it to be false, concerning an alleged or impending fire, explosion, crime, catastrophe or other emergency;

(7) Create a hazardous or physically offensive condition by any act which he is not licensed or privileged to do. (Ord. 210 § 5, 1977).