what alarm is going off on october 4th

On October 4th, a nationwide test of the federal emergency alert system was conducted in the United States. The test was designed to ensure that the countrys mass communication services are in working order. The test was conducted by the Federal Emergency Management Agency (FEMA) and the Federal Communications Commission (FCC) . The test was broadcast at approximately 2:20 p.m. EDT and lasted for 30 minutes. During this time, all Wireless Emergency Alert (WEA)-compatible wireless phones that were switched on, within range of an active cell tower, and in a geographic area where the wireless provider participates in WEA, should have been capable of receiving the test message. The message that appeared on phones read: "THIS IS A TEST of the National Wireless Emergency Alert System. No action is needed". The test was the third-ever nationwide test of the Wireless Emergency Alerts system.