• Entry
  • Reader's guide
  • Entries A-Z
  • Subject index

Emergency alert systems (EASs) are designed to provide the public with timely information in the event of a local, regional, or national emergency situation. The goal of an effective EAS is to reach as many persons as possible within the geographic area facing a risk, to alert them to the risk, and to indicate specific actions they should take in order to protect themselves from, or otherwise respond to, the risk. There are numerous technologies that can be used to convey emergency alerts, which are often coupled together to provide the same message through a variety of channels. To accomplish this task, EASs may utilize cellular telephone networks, listings of persons who reside in a particular area, or listings of persons who have opted ...

    • Loading...
    locked icon

    Sign in to access this content

    Get a 30 day FREE TRIAL

    • Watch videos from a variety of sources bringing classroom topics to life
    • Read modern, diverse business cases
    • Explore hundreds of books and reference titles