Emergency Alert System in the United States

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The Emergency Alert System in the United States is a national public warning system that enables authorities to quickly broadcast urgent alerts over television, radio, and other communication channels during emergencies such as natural disasters, threats to public safety, or national crises.

AI illustration

How this image was made

AI-generated illustration of Emergency Alert System in the United States

This AI-generated illustration was produced by black-forest-labs/FLUX.2-dev (1024x1024) from a prompt written by openai/gpt-oss-120b from the entity's label + description.

Prompt

Generate an image of the Emergency Alert System in the United States (The Emergency Alert System in the United States is a national public warning system that enables authorities to quickly broadcast urgent alerts over television, radio, and other communication channels during emergencies such as natural disasters, threats to public safety, or national crises.)

All labels observed (5)

How this entity was disambiguated

Statements (55)

Predicate Object
instanceOf emergency communication system ⓘ
public warning system ⓘ
abbreviation EAS ⓘ
administeredBy Federal Emergency Management Agency ⓘ
authority President of the United States ⓘ
canOverride regular programming on participating stations ⓘ
canTransmit Presidential Emergency Action Messages ⓘ
componentOf Integrated Public Alert and Warning System ⓘ
country United States ⓘ
dataFormat audio frequency-shift keying ⓘ
designedFor rapid dissemination of life-saving information ⓘ
fullyImplemented late 1990s ⓘ
geographicTargeting county-level targeting via SAME codes ⓘ
includesFeature attention signal ⓘ
monthly tests ⓘ
required monthly test codes ⓘ
weekly tests ⓘ
introduced 1990s ⓘ
legalBasis Communications Act of 1934 ⓘ
Federal Communications Commission rules ⓘ
War Powers Act authorities ⓘ
medium AM radio ⓘ
FM radio ⓘ
cable television systems ⓘ
satellite radio ⓘ
satellite television ⓘ
television ⓘ
wireless cable systems ⓘ
operatedBy Federal Communications Commission ⓘ
Federal Emergency Management Agency ⓘ
National Weather Service ⓘ
precededBy Emergency Broadcast System ⓘ
purpose dissemination of emergency information to the public ⓘ
local and state emergency alerts ⓘ
national-level presidential alerts ⓘ
weather-related emergency alerts ⓘ
regulatedBy Federal Communications Commission ⓘ
relatedSystem NOAA Weather Radio ⓘ
Wireless Emergency Alerts ⓘ
replaced Emergency Broadcast System ⓘ
requiresParticipationFrom broadcast television stations ⓘ
cable television providers ⓘ
radio broadcast stations ⓘ
satellite television providers ⓘ
wireless cable providers ⓘ
scope local ⓘ
national ⓘ
state ⓘ
signalType dual-tone attention signal ⓘ
testMessagePhrase This is a test of the Emergency Alert System ⓘ
typicalEventType AMBER Alerts (via EAS in some jurisdictions) ⓘ
linked to: AMBER Alerts

civil emergencies ⓘ
natural disasters ⓘ
severe weather emergencies ⓘ
usesProtocol Specific Area Message Encoding ⓘ

How these facts were elicited

Referenced by (15)

Full triples — surface form annotated when it differs from this entity's canonical label.

Federal Communications Commission → supervises → Emergency Alert System in the United States ⓘ
Federal Emergency Management Agency → oversees → Emergency Alert System (in coordination with other agencies) ⓘ
linked to: Emergency Alert System in the United States
NWR → integratedWith → Emergency Alert System ⓘ
linked to: Emergency Alert System in the United States
Specific Area Message Encoding → usedIn → Emergency Alert System ⓘ
linked to: Emergency Alert System in the United States
AMBER Alert → partOf → Emergency Alert System in the United States ⓘ
subject linked to: AMBER Alerts
AMBER Alert → relatedTo → Emergency Alert System ⓘ
subject linked to: AMBER Alerts
linked to: Emergency Alert System in the United States
United States emergency management system → hasComponent → Emergency Alert System ⓘ
linked to: Emergency Alert System in the United States
Emergency Alert System (United States) → replaced → Emergency Broadcast System ⓘ
linked to: Emergency Alert System in the United States
Emergency Alert System (United States) → precededBy → Emergency Broadcast System ⓘ
linked to: Emergency Alert System in the United States
Dallas–Fort Worth broadcasters → usesTechnology → Emergency Alert System ⓘ
linked to: Emergency Alert System in the United States
Guam Homeland Security / Office of Civil Defense → uses → Emergency Alert System on Guam ⓘ
linked to: Emergency Alert System in the United States
Common Alerting Protocol → relatedTo → Emergency Alert System ⓘ
subject linked to: CAP
linked to: Emergency Alert System in the United States
Common Alerting Protocol → componentOf → Emergency Alert System ⓘ
linked to: Emergency Alert System in the United States
U.S. hurricane forecast and warning system → usesCommunicationChannel → Emergency Alert System ⓘ
linked to: Emergency Alert System in the United States
CSEPP → uses → Emergency Alert System ⓘ
linked to: Emergency Alert System in the United States