Emergency Warning Broadcast System (Japan)

Emergency Warning Broadcast System (緊急警報放送, Kinkyū keihō hōsō), abbreviated as EWBS or EWS, is a warning broadcast system in Japan that is performed by automatically turning on the switch of a television/radio receiver in a standby state by using a specific signal.[1][2]

This is done when a large-scale disaster such as an earthquake occurs or when a tsunami warning is announced, and it is intended to help prevent or mitigate the damage caused by the disaster.

References

  1. ↑ "IEEE Milestones Awarded for NHK's Technical Achievements". NHK STRL Open House. NHK Science & Technology Research Laboratories. Archived from the original on 5 June 2016.
  2. ↑ Yokohata, Kazunori (27–28 February 2008). Emergency Warning Broadcast System (PDF). Manila: DiBEG. Archived from the original (PDF) on 29 April 2021. Retrieved 15 August 2020.
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