Emergency Alert System in the United States
E95214
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)
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 of America
ⓘ
surface form:
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 ⓘ
surface form:
Federal Communications Commission rules
U.S. War Powers Resolution ⓘ
surface form:
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 Alert System in the United States
self-linksurface differs
ⓘ
surface form:
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 network
ⓘ
surface form:
NOAA Weather Radio
Wireless Emergency Alerts system ⓘ
surface form:
Wireless Emergency Alerts
|
| replaced |
Emergency Alert System in the United States
self-linksurface differs
ⓘ
surface form:
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
ⓘ
surface form:
AMBER Alerts (via EAS in some jurisdictions)
civil emergencies ⓘ natural disasters ⓘ severe weather emergencies ⓘ |
| usesProtocol | Specific Area Message Encoding ⓘ |
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Emergency Alert System (in coordination with other agencies)
this entity surface form:
Emergency Alert System
this entity surface form:
Emergency Alert System
subject surface form:
AMBER Alert
subject surface form:
AMBER Alert
this entity surface form:
Emergency Alert System
United States emergency management system
→
hasComponent
→
Emergency Alert System in the United States
ⓘ
this entity surface form:
Emergency Alert System
Emergency Alert System in the United States
→
replaced
→
Emergency Alert System in the United States
self-linksurface differs
ⓘ
subject surface form:
Emergency Alert System (United States)
this entity surface form:
Emergency Broadcast System
Emergency Alert System in the United States
→
precededBy
→
Emergency Alert System in the United States
self-linksurface differs
ⓘ
subject surface form:
Emergency Alert System (United States)
this entity surface form:
Emergency Broadcast System
this entity surface form:
Emergency Alert System
Guam Homeland Security / Office of Civil Defense
→
uses
→
Emergency Alert System in the United States
ⓘ
this entity surface form:
Emergency Alert System on Guam