Evacuations are, unfortunately, often accompanied by tweets. As early as 2012 or 2014 a team I was on was able to localize the epicenter of an earthquake by exa

Evacuations are, unfortunately, often accompanied by tweets. As early as 2012 or 2014 a team I was on was able to localize the epicenter of an earthquake by examining the Twitter fire hose, half an hour before the earthquake was announced on any of the major news networks.