Social Media How Twitter helps the feds map and gauge earthquakes Twitter helps the U.S. Geological Survey disseminate information to its publics instantly and gather scientific data about earthquakes. And the USGS gets unbeatable publicity from it all. By Matt WilsonOct. 29, 2010 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.