ShakeAlert is a new app that warns users of an incoming earthquake in Los Angeles. The app sends out a warning and a countdown of 5 to 10 seconds to when the area the user is in will experience ground shaking. This gives them time to take cover. Subscribe on YouTube: https://bit.ly/2JjpnIb - - - - - - - - - - - - - Facebook: https://www.facebook.com/Newsweek Twitter: https://twitter.com/Newsweek Instagram: https://www.instagram.com/Newsweek