Incident : An occurrence, either human caused or by natural phenomena, that requires action by emergency service personnel to prevent or minimize loss of life or damage to property and/or natural resources
U.S. Department of Agriculture, Incident Command System (ICS) Resource Center,Glossary, Washington D.C., 2012. http://www.usda.gov/wps/portal/usda/usdahome?navid =HOMELANDICSGL, (Emr Prep - Amer) {904}