Government warnings reach mobile devices through partnerships between FEMA, FCC and carriers like Verizon and AT&T, as shown ...

The New Mexico State Police has advised that they will begin sending out mobile alerts after a Silver or Turquoise Alert is issued for a missing elderly or Native American person in the state of New ...

A high-pitched alarm will sound on around 87million mobile devices causing them to vibrate for ten seconds. A message will ...

Alerts also sound even if a phone has been silenced or placed in Do Not Disturb mode. When a message is received, a loud siren sounds, the phone vibrates, and the message appears on the screen.

Google's earthquake alert system of Android devices failed to warn millions of people during Turkey's deadly quake. Read ...

Millions will receive the notification, causing their devices to release a loud siren noise, vibrate and display an emergency ...