Situación de peligro o desastre que requiere una
acción inmediata.
DRAE. Diccionario de la Lengua Española.
(O) An urgent response to a
fire, flood, civil commotion, natural disaster, bomb threat, or other serious
situation, with the intent of protecting lives, limiting damage to property,
and minimizing disruption of system operations. [FP087] (See: availability,
CERT, emergency plan.) [RFC4949:2007]