That blaring noise you heard? It was a test of the federal government’s emergency alert system. If your cellphone was on at 2:20 p.m. Eastern time you should have heard a loud noise and seen a message flash across your screen The post That blaring noise you heard? It was a test of the federal government’s emergency alert... #press https://www.boston.com/news/technology/2023/10/04/that-blaring-noise-you-heard-it-was-a-test-of-the-federal-governments-emergency-alert-system/?utm_source=press.coop