after-action report (AAR)
The official internal report of the entire event, such as a disaster, which should contain the facts of the incident reflected in a chronologic, accurate manner.
all-hazards approach
The act of conducting comprehensive predisaster planning that will apply to any situation.
ashfall
The residue left behind from a volcanic eruption.
casualty collection points
Areas where slightly injured or noninjured displaced people can be gathered together and transported by bus or truck for further treatment.
critical infrastructure
The external foundation in communities made up of structures and services critical in the day-to-day living activities of humans: energy sources, fuel, water, sewage removal, food, hospitals, and transportation systems.
directed area
An area away from the command post or emergency operations center, considered by engineering expertise to be a safe place to stage until directed otherwise.
disaster
A sudden, calamitous event, such as an accident or catastrophe, that causes great damage, loss, or destruction.
disaster management
A planned, coordinated response to a disaster that involves cooperation of multiple responders and agencies and enables effective triage and provision of care according to triage decisions.
dust suffocation
A phenomenon that can occur during an earthquake, in which particles of dust and debris are loosened and released into the air, producing a toxic and hypoxic atmosphere.
emergency operations center (EOC)
A central command and control facility, found at all government levels, responsible for strategic overview; tactical decisions are left to incident commanders.
epidemic
An illness or disease that affects or tends to affect a disproportionately large number of people within a specific population, community, or region at the same time.
forward surgical team
A team, usually staffed with physicians, nurses, and emergency medical services providers, that performs minor surgical procedures and débridements in the field, taking some of the load from the hospital facility.
incident command system (ICS)
A system implemented to manage disasters and mass-casualty incidents in which section chiefs, including operations, finance, logistics, and planning, report to the incident commander.
lister bags
Heavy canvas bags that can be hung from trees containing water in amounts from 40 to 100 gallons (151 to 379 L).
mutual aid agreements
Documents that pre-determine how you will access help from other areas when needed.
overtopping
A situation in which a reservoir overflows its borders.
pandemic
An illness or disease that affects a high proportion of the population over a broad or potentially worldwide geographic area.
point of distribution (POD)
A strategically placed facility that has been preestablished for the mass distribution of antibiotics, antidotes, and vaccinations, along with other medications and supplies.
pyroclastic explosions
Blasts from flowing or standing lava that can have a wide dispersal circumference, spewing ash and magma.
radio operators
Amateur radio operators who have a formal emergency communications set of standard operating procedures. Most are licensed by the Federal Communications Commission.
seasonal affective disorder (SAD)
Depression that can affect people in long periods of bad weather, usually winter.
shelter-in-place
The act of safeguarding oneself or others from a hazard by remaining in a protected location, usually inside a structure; typically involves simple measures such as shutting the windows, going to the cellar, or turning off the heating and air conditioning systems.
tag lines
Rope or cord tied to a person who is entering a dangerous environment; used for quick retrieval, usually in conjunction with a harness.
thermals
Differing temperatures and swirling patterns of moving air with changes in wind speed.