NHK provides two types of emergency broadcasts: Emergency Warning Broadcasting (EWB) system and Earthquake Early Warning (EEW) system. In addition to an activation signal for receivers ...
The “Earthquake Early Warning (EEW)” system for the general public is a one-of-its-kind system in the world for disaster prevention information, providing warning via TV and radio before ...
California's ShakeAlert Earthquake Early Warning System (EEW) was put to the test before a major earthquake up in the North Coast Thursday morning, and scientists are saying it did exactly what it ...