Facebook Launches Safety Check Feature for Natural Disasters By Stav Ziv Filed: 10/16/14 at 6:09 PM ga(‘set’, ‘&uid’, {{USER_ID}}); // Set the user ID using signed-in user_id. Facebook's "Safety Check" feature lets users notify friends and family of their safety when natural disasters hit. Facebook A A Filed Under: Tech & Science , Facebook , Natural Disasters , Social Media , Earthquakes Facebook’s 1.32 billion users already update their friends and family on their jobs, vacations and clothing choices. Now, with a new feature launched by the social networking site Wednesday , users can update people about their safety during disasters. With “Safety Check,” users can let friends and family know whether they're safe when an earthquake, hurricane or other natural disaster hits. Employing the city listed in user profiles, the latest check-in spot or the location fro...