(1) “Emergency” includes any human caused or natural event or circumstances causing or threatening loss of life, injury to person or property, human suffering or financial loss, and includes, but is not limited to, fire, explosion, flood, severe weather, earthquake, spills or releases of oil or hazardous material, contamination, disease, civil disturbance, terrorism, riot, or the interruption of essential public services.

(2) “Emergency Management Plan” means that plan approved by the city manager pursuant to Section 12.040 of this code.

(3) “City manager” means the city manager or manager's designee.