Facebook Launches "Safety Check" Feature For Major DisastersThe social media giant has announced a feature which allows users to let family and friends know they're safe if they're located in a disaster zone.By by Francis WhittakerBuzzFeed News Reporter, UKPosted on October 16, 2014, 7:32 amTwitterFacebookLink Facebook has announced a new "safety check" feature, which lets users tell family and friends they're OK if they're caught in a disaster zone. The company said work on the feature was prompted by the 2011 Japanese earthquake, which affected an estimated 12.5 million people. You can watch Facebook's video about "Safety Check" here: View this video on Vimeo vimeo.com / Via Facebook